[TAJO-2092] TestStorages.testNullHandlingTypesWithProjection occasionally fail

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.11.1
• Fix Version/s: 0.12.0, 0.11.2
• Component/s: Unit Test
• Assignee: Jinho Kim
• Reporter: Dongkyu Hwangbo
• Created: 10/Mar/16 05:41
• Updated: 18/Mar/16 04:27
• Resolved: 18/Mar/16 02:16

Description

TestStorages.testNullHandlingTypesWithProjection occasionally fail like below.

testNullHandlingTypesWithProjection[3](org.apache.tajo.storage.TestStorages)  Time elapsed: 0.036 sec  <<< ERROR!
org.apache.parquet.schema.InvalidSchemaException: A group type can not be empty. Parquet does not support empty group without leaves. Empty group: table_schema
	at org.apache.parquet.schema.GroupType.<init>(GroupType.java:92)
	at org.apache.parquet.schema.GroupType.<init>(GroupType.java:48)
	at org.apache.parquet.schema.MessageType.<init>(MessageType.java:50)
	at org.apache.tajo.storage.parquet.TajoSchemaConverter.convert(TajoSchemaConverter.java:151)
	at org.apache.tajo.storage.parquet.TajoReadSupport.init(TajoReadSupport.java:77)
	at org.apache.tajo.storage.thirdparty.parquet.InternalParquetRecordReader.initialize(InternalParquetRecordReader.java:170)
	at org.apache.tajo.storage.thirdparty.parquet.ParquetReader.initReader(ParquetReader.java:161)
	at org.apache.tajo.storage.thirdparty.parquet.ParquetReader.read(ParquetReader.java:137)
	at org.apache.tajo.storage.parquet.ParquetScanner.next(ParquetScanner.java:91)
	at org.apache.tajo.storage.TestStorages.testNullHandlingTypesWithProjection(TestStorages.java:653)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:344)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:269)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:240)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:184)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:286)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:240)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:121)