[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building Joda-Time 2.8.1
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ joda-time ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 2 resources to META-INF
[INFO] Copying 10 resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.3:compile (default-compile) @ joda-time ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 166 source files to /home/perham/Study/LittleDarwin/Cases/joda-time-2.8.1/target/classes
[INFO] 
[INFO] --- exec-maven-plugin:1.4.0:java (compile-tzdb) @ joda-time ---
Writing zoneinfo files
Writing ZoneInfoMap
[INFO] 
[INFO] --- maven-resources-plugin:2.7:testResources (default-testResources) @ joda-time ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 34 resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.3:testCompile (default-testCompile) @ joda-time ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-surefire-plugin:2.18.1:test (default-test) @ joda-time ---
[INFO] Surefire report directory: /home/perham/Study/LittleDarwin/Cases/joda-time-2.8.1/target/surefire-reports

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running org.joda.time.TestAllPackages

TestBuddhistChronology.testCalendar

TestCopticChronology.testCalendar

TestEthiopicChronology.testCalendar

TestIslamicChronology.testCalendar

Testing Gregorian chronology over 1000 iterations
100% complete (i=1000)

Testing Julian chronology over 1000 iterations
100% complete (i=1000)
Writing zoneinfo files
Writing ZoneInfoMap
Tests run: 4157, Failures: 0, Errors: 127, Skipped: 0, Time elapsed: 5.399 sec <<< FAILURE! - in org.joda.time.TestAllPackages
testConstructor_Object_PeriodType1(org.joda.time.TestPeriod_Constructors)  Time elapsed: 0.004 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.base.BasePeriod.<init>(BasePeriod.java:279)
	at org.joda.time.MutablePeriod.<init>(MutablePeriod.java:426)
	at org.joda.time.base.BasePeriod.<init>(BasePeriod.java:281)
	at org.joda.time.Period.<init>(Period.java:691)
	at org.joda.time.TestPeriod_Constructors.testConstructor_Object_PeriodType1(TestPeriod_Constructors.java:1202)

testConstructor_Object1(org.joda.time.TestPeriod_Constructors)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.base.BasePeriod.<init>(BasePeriod.java:279)
	at org.joda.time.MutablePeriod.<init>(MutablePeriod.java:426)
	at org.joda.time.base.BasePeriod.<init>(BasePeriod.java:281)
	at org.joda.time.Period.<init>(Period.java:674)
	at org.joda.time.TestPeriod_Constructors.testConstructor_Object1(TestPeriod_Constructors.java:1145)

testToString(org.joda.time.TestPeriod_Basics)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at org.joda.time.TestPeriod_Basics.testToString(TestPeriod_Basics.java:472)

testNormalizedStandard_periodType_yearMonth3(org.joda.time.TestPeriod_Basics)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at org.joda.time.Period.normalizedStandard(Period.java:1660)
	at org.joda.time.TestPeriod_Basics.testNormalizedStandard_periodType_yearMonth3(TestPeriod_Basics.java:1479)

testNormalizedStandard_periodType_years(org.joda.time.TestPeriod_Basics)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at org.joda.time.Period.normalizedStandard(Period.java:1660)
	at org.joda.time.TestPeriod_Basics.testNormalizedStandard_periodType_years(TestPeriod_Basics.java:1544)

testToString_PeriodFormatter(org.joda.time.TestPeriod_Basics)  Time elapsed: 0.006 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.TestPeriod_Basics.testToString_PeriodFormatter(TestPeriod_Basics.java:484)

testToString_nullPeriodFormatter(org.joda.time.TestPeriod_Basics)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:241)
	at org.joda.time.TestPeriod_Basics.testToString_nullPeriodFormatter(TestPeriod_Basics.java:492)

testConstructor_Object_PeriodType1(org.joda.time.TestMutablePeriod_Constructors)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.base.BasePeriod.<init>(BasePeriod.java:279)
	at org.joda.time.MutablePeriod.<init>(MutablePeriod.java:391)
	at org.joda.time.TestMutablePeriod_Constructors.testConstructor_Object_PeriodType1(TestMutablePeriod_Constructors.java:884)

testConstructor_Object1(org.joda.time.TestMutablePeriod_Constructors)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.base.BasePeriod.<init>(BasePeriod.java:279)
	at org.joda.time.MutablePeriod.<init>(MutablePeriod.java:374)
	at org.joda.time.TestMutablePeriod_Constructors.testConstructor_Object1(TestMutablePeriod_Constructors.java:827)

testToString(org.joda.time.TestMutablePeriod_Basics)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at org.joda.time.TestMutablePeriod_Basics.testToString(TestMutablePeriod_Basics.java:405)

testPeriod(org.joda.time.TestDateTimeZoneCutover)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at org.joda.time.TestDateTimeZoneCutover.testPeriod(TestDateTimeZoneCutover.java:1250)

testMutablePeriod(org.joda.time.TestStringConvert)  Time elapsed: 0.031 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.joda.convert.ReflectionStringConverter.convertToString(ReflectionStringConverter.java:63)
	at org.joda.convert.StringConvert.convertToString(StringConvert.java:124)
	at org.joda.time.TestStringConvert.testMutablePeriod(TestStringConvert.java:149)

testPeriod(org.joda.time.TestStringConvert)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.joda.convert.ReflectionStringConverter.convertToString(ReflectionStringConverter.java:63)
	at org.joda.convert.StringConvert.convertToString(StringConvert.java:124)
	at org.joda.time.TestStringConvert.testPeriod(TestStringConvert.java:142)

testSetIntoPeriod_Object3(org.joda.time.convert.TestStringConverter)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.convert.TestStringConverter.testSetIntoPeriod_Object3(TestStringConverter.java:389)

testSetIntoPeriod_Object4(org.joda.time.convert.TestStringConverter)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.convert.TestStringConverter.testSetIntoPeriod_Object4(TestStringConverter.java:401)

testSetIntoPeriod_Object5(org.joda.time.convert.TestStringConverter)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.convert.TestStringConverter.testSetIntoPeriod_Object5(TestStringConverter.java:413)

testSetIntoPeriod_Object6(org.joda.time.convert.TestStringConverter)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.convert.TestStringConverter.testSetIntoPeriod_Object6(TestStringConverter.java:425)

testSetIntoPeriod_Object7(org.joda.time.convert.TestStringConverter)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.convert.TestStringConverter.testSetIntoPeriod_Object7(TestStringConverter.java:437)

testSetIntoPeriod_Object1(org.joda.time.convert.TestStringConverter)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.convert.TestStringConverter.testSetIntoPeriod_Object1(TestStringConverter.java:365)

testSetIntoPeriod_Object2(org.joda.time.convert.TestStringConverter)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.convert.StringConverter.setInto(StringConverter.java:165)
	at org.joda.time.convert.TestStringConverter.testSetIntoPeriod_Object2(TestStringConverter.java:377)

testPrint_bufferMethods(org.joda.time.format.TestPeriodFormatter)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.printTo(PeriodFormatter.java:42)
	at org.joda.time.format.TestPeriodFormatter.testPrint_bufferMethods(TestPeriodFormatter.java:108)

testPrint_writerMethods(org.joda.time.format.TestPeriodFormatter)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.printTo(PeriodFormatter.java:45)
	at org.joda.time.format.TestPeriodFormatter.testPrint_writerMethods(TestPeriodFormatter.java:122)

testPrinterParserMethods(org.joda.time.format.TestPeriodFormatter)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatter.testPrinterParserMethods(TestPeriodFormatter.java:160)

testPrint_simple(org.joda.time.format.TestPeriodFormatter)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatter.testPrint_simple(TestPeriodFormatter.java:101)

testParseInto_simple(org.joda.time.format.TestPeriodFormatter)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.parseInto(PeriodFormatter.java:56)
	at org.joda.time.format.TestPeriodFormatter.testParseInto_simple(TestPeriodFormatter.java:221)

test_wordBased_pl_formatTwoFields(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.006 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_pl_formatTwoFields(TestPeriodFormat.java:392)

test_wordBased_pl_regEx(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_pl_regEx(TestPeriodFormat.java:425)

test_wordBased_fr_from_de(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.002 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_fr_from_de(TestPeriodFormat.java:580)

test_wordBased_fr_from_nl(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_fr_from_nl(TestPeriodFormat.java:586)

test_wordBased_en_from_de(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_en_from_de(TestPeriodFormat.java:592)

test_wordBased_en_from_nl(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_en_from_nl(TestPeriodFormat.java:598)

test_wordBased_en_from_pl(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_en_from_pl(TestPeriodFormat.java:604)

test_wordBased_pl_from_fr(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_pl_from_fr(TestPeriodFormat.java:610)

test_wordBased_en_withLocale_pt(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_en_withLocale_pt(TestPeriodFormat.java:633)

test_wordBased_default(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_default(TestPeriodFormat.java:126)

test_wordBased_fr_formatStandard(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_fr_formatStandard(TestPeriodFormat.java:134)

test_wordBased_fr_FormatOneField(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_fr_FormatOneField(TestPeriodFormat.java:140)

test_wordBased_fr_formatTwoFields(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_fr_formatTwoFields(TestPeriodFormat.java:146)

test_wordBased_pt_formatStandard(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.002 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_pt_formatStandard(TestPeriodFormat.java:171)

test_wordBased_pt_FormatOneField(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_pt_FormatOneField(TestPeriodFormat.java:177)

test_wordBased_pt_formatTwoFields(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_pt_formatTwoFields(TestPeriodFormat.java:183)

test_wordBased_es_formatStandard(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.002 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_es_formatStandard(TestPeriodFormat.java:208)

test_wordBased_es_FormatOneField(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_es_FormatOneField(TestPeriodFormat.java:214)

test_wordBased_es_formatTwoFields(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_es_formatTwoFields(TestPeriodFormat.java:220)

test_wordBased_de_formatStandard(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_de_formatStandard(TestPeriodFormat.java:245)

test_wordBased_de_FormatOneField(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_de_FormatOneField(TestPeriodFormat.java:251)

test_wordBased_de_formatTwoFields(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_de_formatTwoFields(TestPeriodFormat.java:257)

test_wordBased_nl_formatStandard(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.003 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_nl_formatStandard(TestPeriodFormat.java:282)

test_wordBased_nl_FormatOneField(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_nl_FormatOneField(TestPeriodFormat.java:288)

test_wordBased_nl_formatTwoFields(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_nl_formatTwoFields(TestPeriodFormat.java:294)

test_wordBased_da_formatMultiple(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.002 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_da_formatMultiple(TestPeriodFormat.java:319)

test_wordBased_da_formatSinglular(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_da_formatSinglular(TestPeriodFormat.java:325)

test_wordBased_ja_formatMultiple(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.002 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_ja_formatMultiple(TestPeriodFormat.java:338)

test_wordBased_ja_formatSingular(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_ja_formatSingular(TestPeriodFormat.java:344)

test_wordBased_pl_formatStandard(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_pl_formatStandard(TestPeriodFormat.java:380)

test_wordBased_pl_FormatOneField(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_wordBased_pl_FormatOneField(TestPeriodFormat.java:386)

test_getDefault_formatStandard(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_getDefault_formatStandard(TestPeriodFormat.java:79)

test_getDefault_FormatOneField(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_getDefault_FormatOneField(TestPeriodFormat.java:85)

test_getDefault_formatTwoFields(org.joda.time.format.TestPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormat.test_getDefault_formatTwoFields(TestPeriodFormat.java:91)

testFormatStandard(org.joda.time.format.TestISOPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestISOPeriodFormat.testFormatStandard(TestISOPeriodFormat.java:103)

testFormatStandard_negative(org.joda.time.format.TestISOPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestISOPeriodFormat.testFormatStandard_negative(TestISOPeriodFormat.java:120)

testFormatAlternate(org.joda.time.format.TestISOPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestISOPeriodFormat.testFormatAlternate(TestISOPeriodFormat.java:141)

testFormatAlternateExtended(org.joda.time.format.TestISOPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestISOPeriodFormat.testFormatAlternateExtended(TestISOPeriodFormat.java:159)

testFormatAlternateWithWeeks(org.joda.time.format.TestISOPeriodFormat)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestISOPeriodFormat.testFormatAlternateWithWeeks(TestISOPeriodFormat.java:177)

testFormatAlternateExtendedWithWeeks(org.joda.time.format.TestISOPeriodFormat)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestISOPeriodFormat.testFormatAlternateExtendedWithWeeks(TestISOPeriodFormat.java:195)

testParseNegativeMillis2(org.joda.time.format.TestPeriodFormatParsing)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at org.joda.time.format.TestPeriodFormatParsing.testParseNegativeMillis2(TestPeriodFormatParsing.java:108)

testParseCustom1(org.joda.time.format.TestPeriodFormatParsing)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatParsing.testParseCustom1(TestPeriodFormatParsing.java:126)

testParseNegativeMillis1(org.joda.time.format.TestPeriodFormatParsing)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:228)
	at org.joda.time.format.TestPeriodFormatParsing.testParseNegativeMillis1(TestPeriodFormatParsing.java:100)

testFormatHours(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatHours(TestPeriodFormatterBuilder.java:157)

testFormatMinutes(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatMinutes(TestPeriodFormatterBuilder.java:169)

testFormatSeconds(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSeconds(TestPeriodFormatterBuilder.java:181)

testFormatSecondsWithMillis(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSecondsWithMillis(TestPeriodFormatterBuilder.java:194)

testFormatSecondsWithOptionalMillis(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSecondsWithOptionalMillis(TestPeriodFormatterBuilder.java:242)

testFormatMillis(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatMillis(TestPeriodFormatterBuilder.java:289)

testFormatMillis3Digit(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatMillis3Digit(TestPeriodFormatterBuilder.java:301)

testFormatPrefixSimple1(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixSimple1(TestPeriodFormatterBuilder.java:314)

testFormatPrefixSimple2(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixSimple2(TestPeriodFormatterBuilder.java:326)

testFormatPrefixSimple4IgnoringPrefix(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixSimple4IgnoringPrefix(TestPeriodFormatterBuilder.java:346)

testPluralAffixParseOrder(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testPluralAffixParseOrder(TestPeriodFormatterBuilder.java:356)

testFormatPrefixPlural1(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixPlural1(TestPeriodFormatterBuilder.java:365)

testFormatPrefixPlural2(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixPlural2(TestPeriodFormatterBuilder.java:377)

testFormatPrefixPlural4IgnoringPrefix(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixPlural4IgnoringPrefix(TestPeriodFormatterBuilder.java:405)

testRegExAffixParseOrder(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testRegExAffixParseOrder(TestPeriodFormatterBuilder.java:423)

testFormatPrefixRegEx1(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixRegEx1(TestPeriodFormatterBuilder.java:433)

testFormatPrefixRegEx2(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixRegEx2(TestPeriodFormatterBuilder.java:446)

testFormatPrefixRegEx4IgnoringPrefix(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixRegEx4IgnoringPrefix(TestPeriodFormatterBuilder.java:490)

testFormatPrefixComposite1(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixComposite1(TestPeriodFormatterBuilder.java:511)

testFormatSuffixSimple1(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixSimple1(TestPeriodFormatterBuilder.java:522)

testFormatSuffixSimple2(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixSimple2(TestPeriodFormatterBuilder.java:534)

testFormatPrefixSimple5IgnoringPrefix(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixSimple5IgnoringPrefix(TestPeriodFormatterBuilder.java:561)

testFormatPrefixSimple6IgnoringPrefix(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixSimple6IgnoringPrefix(TestPeriodFormatterBuilder.java:572)

testFormatSuffixPlural1(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixPlural1(TestPeriodFormatterBuilder.java:582)

testFormatSuffixPlural2(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixPlural2(TestPeriodFormatterBuilder.java:594)

testFormatSuffixPlural4IgnoringPrefix(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixPlural4IgnoringPrefix(TestPeriodFormatterBuilder.java:629)

testFormatSuffixRegEx1(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixRegEx1(TestPeriodFormatterBuilder.java:647)

testFormatSuffixRegEx2(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixRegEx2(TestPeriodFormatterBuilder.java:664)

testFormatSuffixRegEx5IgnoringAffix(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixRegEx5IgnoringAffix(TestPeriodFormatterBuilder.java:721)

testFormatSuffixComposite1(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.006 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixComposite1(TestPeriodFormatterBuilder.java:741)

testFormatSuffixComposite5IgnoringAffix(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSuffixComposite5IgnoringAffix(TestPeriodFormatterBuilder.java:755)

testFormatPrefixSuffix(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrefixSuffix(TestPeriodFormatterBuilder.java:766)

testFormatSeparatorSimple(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSeparatorSimple(TestPeriodFormatterBuilder.java:779)

testFormatSeparatorComplex(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSeparatorComplex(TestPeriodFormatterBuilder.java:798)

testFormatSeparatorIfFieldsAfter(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSeparatorIfFieldsAfter(TestPeriodFormatterBuilder.java:813)

testFormatSeparatorIfFieldsBefore(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatSeparatorIfFieldsBefore(TestPeriodFormatterBuilder.java:828)

testFormatLiteral(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatLiteral(TestPeriodFormatterBuilder.java:844)

testFormatAppendFormatter(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatAppendFormatter(TestPeriodFormatterBuilder.java:852)

testFormatMinDigits(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatMinDigits(TestPeriodFormatterBuilder.java:859)

testFormatPrintZeroDefault(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroDefault(TestPeriodFormatterBuilder.java:872)

testFormatPrintZeroRarelyLast(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroRarelyLast(TestPeriodFormatterBuilder.java:905)

testFormatPrintZeroRarelyFirst(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroRarelyFirst(TestPeriodFormatterBuilder.java:930)

testFormatPrintZeroRarelyFirstYears(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroRarelyFirstYears(TestPeriodFormatterBuilder.java:951)

testFormatPrintZeroRarelyFirstMonths(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroRarelyFirstMonths(TestPeriodFormatterBuilder.java:958)

testFormatPrintZeroRarelyFirstWeeks(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroRarelyFirstWeeks(TestPeriodFormatterBuilder.java:965)

testFormatPrintZeroRarelyFirstDays(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroRarelyFirstDays(TestPeriodFormatterBuilder.java:972)

testFormatPrintZeroRarelyFirstHours(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroRarelyFirstHours(TestPeriodFormatterBuilder.java:979)

testFormatPrintZeroRarelyFirstMinutes(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroRarelyFirstMinutes(TestPeriodFormatterBuilder.java:986)

testFormatPrintZeroRarelyFirstSeconds(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroRarelyFirstSeconds(TestPeriodFormatterBuilder.java:993)

testFormatPrintZeroIfSupported(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroIfSupported(TestPeriodFormatterBuilder.java:1004)

testFormatPrintZeroAlways(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroAlways(TestPeriodFormatterBuilder.java:1029)

testFormatPrintZeroNever(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatPrintZeroNever(TestPeriodFormatterBuilder.java:1054)

testFormatAppend_PrinterParser_Printer_null(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatAppend_PrinterParser_Printer_null(TestPeriodFormatterBuilder.java:1086)

testFormatAppend_PrinterParser_PrinterParser(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatAppend_PrinterParser_PrinterParser(TestPeriodFormatterBuilder.java:1115)

testMonthsAndMinutesAreConsideredSeparateAndCaseIsNotIgnored(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.base.AbstractPeriod.toString(AbstractPeriod.java:243)
	at org.joda.time.format.TestPeriodFormatterBuilder.testMonthsAndMinutesAreConsideredSeparateAndCaseIsNotIgnored(TestPeriodFormatterBuilder.java:1177)

testFormatYears(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatYears(TestPeriodFormatterBuilder.java:109)

testFormatMonths(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatMonths(TestPeriodFormatterBuilder.java:121)

testFormatWeeks(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0.001 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatWeeks(TestPeriodFormatterBuilder.java:133)

testFormatDays(org.joda.time.format.TestPeriodFormatterBuilder)  Time elapsed: 0 sec  <<< ERROR!
java.lang.IllegalArgumentException: Period must not be null
	at org.joda.time.format.PeriodFormatter.checkPeriod(PeriodFormatter.java:54)
	at org.joda.time.format.PeriodFormatter.print(PeriodFormatter.java:48)
	at org.joda.time.format.TestPeriodFormatterBuilder.testFormatDays(TestPeriodFormatterBuilder.java:145)


Results :

Tests in error: 
  org.joda.time.TestDateTimeZoneCutover#testPeriod IllegalArgumentException Peri...
  org.joda.time.TestMutablePeriod_Basics#testToString IllegalArgumentException P...
  org.joda.time.TestMutablePeriod_Constructors#testConstructor_Object1 IllegalArgumentException
  org.joda.time.TestMutablePeriod_Constructors#testConstructor_Object_PeriodType1 IllegalArgumentException
  org.joda.time.TestPeriod_Basics#testNormalizedStandard_periodType_yearMonth3 IllegalArgumentException
  org.joda.time.TestPeriod_Basics#testNormalizedStandard_periodType_years IllegalArgumentException
  org.joda.time.TestPeriod_Basics#testToString IllegalArgumentException Period m...
  org.joda.time.TestPeriod_Basics#testToString_PeriodFormatter IllegalArgumentException
  org.joda.time.TestPeriod_Basics#testToString_nullPeriodFormatter IllegalArgumentException
  org.joda.time.TestPeriod_Constructors#testConstructor_Object1 IllegalArgumentException
  org.joda.time.TestPeriod_Constructors#testConstructor_Object_PeriodType1 IllegalArgumentException
  org.joda.time.TestStringConvert#testMutablePeriod IllegalArgumentException Per...
  org.joda.time.TestStringConvert#testPeriod IllegalArgumentException Period mus...
  org.joda.time.convert.TestStringConverter#testSetIntoPeriod_Object1 IllegalArgumentException
  org.joda.time.convert.TestStringConverter#testSetIntoPeriod_Object2 IllegalArgumentException
  org.joda.time.convert.TestStringConverter#testSetIntoPeriod_Object3 IllegalArgumentException
  org.joda.time.convert.TestStringConverter#testSetIntoPeriod_Object4 IllegalArgumentException
  org.joda.time.convert.TestStringConverter#testSetIntoPeriod_Object5 IllegalArgumentException
  org.joda.time.convert.TestStringConverter#testSetIntoPeriod_Object6 IllegalArgumentException
  org.joda.time.convert.TestStringConverter#testSetIntoPeriod_Object7 IllegalArgumentException
  org.joda.time.format.TestISOPeriodFormat#testFormatAlternate IllegalArgumentException
  org.joda.time.format.TestISOPeriodFormat#testFormatAlternateExtended IllegalArgumentException
  org.joda.time.format.TestISOPeriodFormat#testFormatAlternateExtendedWithWeeks IllegalArgumentException
  org.joda.time.format.TestISOPeriodFormat#testFormatAlternateWithWeeks IllegalArgumentException
  org.joda.time.format.TestISOPeriodFormat#testFormatStandard IllegalArgumentException
  org.joda.time.format.TestISOPeriodFormat#testFormatStandard_negative IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_getDefault_FormatOneField IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_getDefault_formatStandard IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_getDefault_formatTwoFields IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_da_formatMultiple IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_da_formatSinglular IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_de_FormatOneField IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_de_formatStandard IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_de_formatTwoFields IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_default IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_en_from_de IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_en_from_nl IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_en_from_pl IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_en_withLocale_pt IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_es_FormatOneField IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_es_formatStandard IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_es_formatTwoFields IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_fr_FormatOneField IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_fr_formatStandard IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_fr_formatTwoFields IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_fr_from_de IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_fr_from_nl IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_ja_formatMultiple IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_ja_formatSingular IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_nl_FormatOneField IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_nl_formatStandard IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_nl_formatTwoFields IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_pl_FormatOneField IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_pl_formatStandard IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_pl_formatTwoFields IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_pl_from_fr IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_pl_regEx IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_pt_FormatOneField IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_pt_formatStandard IllegalArgumentException
  org.joda.time.format.TestPeriodFormat#test_wordBased_pt_formatTwoFields IllegalArgumentException
  org.joda.time.format.TestPeriodFormatParsing#testParseCustom1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatParsing#testParseNegativeMillis1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatParsing#testParseNegativeMillis2 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatter#testParseInto_simple IllegalArgumentException
  org.joda.time.format.TestPeriodFormatter#testPrint_bufferMethods IllegalArgumentException
  org.joda.time.format.TestPeriodFormatter#testPrint_simple IllegalArgumentException
  org.joda.time.format.TestPeriodFormatter#testPrint_writerMethods IllegalArgumentException
  org.joda.time.format.TestPeriodFormatter#testPrinterParserMethods IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatAppendFormatter IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatAppend_PrinterParser_PrinterParser IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatAppend_PrinterParser_Printer_null IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatDays IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatHours IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatLiteral IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatMillis IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatMillis3Digit IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatMinDigits IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatMinutes IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatMonths IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixComposite1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixPlural1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixPlural2 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixPlural4IgnoringPrefix IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixRegEx1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixRegEx2 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixRegEx4IgnoringPrefix IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixSimple1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixSimple2 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixSimple4IgnoringPrefix IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixSimple5IgnoringPrefix IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixSimple6IgnoringPrefix IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrefixSuffix IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroAlways IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroDefault IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroIfSupported IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroNever IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroRarelyFirst IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroRarelyFirstDays IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroRarelyFirstHours IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroRarelyFirstMinutes IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroRarelyFirstMonths IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroRarelyFirstSeconds IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroRarelyFirstWeeks IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroRarelyFirstYears IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatPrintZeroRarelyLast IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSeconds IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSecondsWithMillis IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSecondsWithOptionalMillis IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSeparatorComplex IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSeparatorIfFieldsAfter IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSeparatorIfFieldsBefore IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSeparatorSimple IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixComposite1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixComposite5IgnoringAffix IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixPlural1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixPlural2 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixPlural4IgnoringPrefix IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixRegEx1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixRegEx2 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixRegEx5IgnoringAffix IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixSimple1 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatSuffixSimple2 IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatWeeks IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testFormatYears IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testMonthsAndMinutesAreConsideredSeparateAndCaseIsNotIgnored IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testPluralAffixParseOrder IllegalArgumentException
  org.joda.time.format.TestPeriodFormatterBuilder#testRegExAffixParseOrder IllegalArgumentException

Tests run: 4157, Failures: 0, Errors: 127, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 16.072s
[INFO] Finished at: Thu Aug 06 10:00:16 BST 2015
[INFO] Final Memory: 9M/213M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.18.1:test (default-test) on project joda-time: There are test failures.
[ERROR] 
[ERROR] Please refer to /home/perham/Study/LittleDarwin/Cases/joda-time-2.8.1/target/surefire-reports for the individual test results.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
