[TAJO-1702] Fix race condition in finished query cache

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.11.0
• Component/s: QueryMaster, TajoMaster
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 24/Jul/15 02:27
• Updated: 24/Jul/15 06:24
• Resolved: 24/Jul/15 05:50

Description

org.apache.tajo.engine.query.TestInnerJoinWithSubQuery
testThetaJoinKeyPairs[3](org.apache.tajo.engine.query.TestInnerJoinWithSubQuery)  Time elapsed: 0.764 sec  <<< ERROR!
java.sql.SQLException: query q_1437635315217_0415 does not exist
	at org.apache.tajo.exception.SQLExceptionUtil.toSQLException(SQLExceptionUtil.java:70)
	at org.apache.tajo.exception.SQLExceptionUtil.throwIfError(SQLExceptionUtil.java:53)
	at org.apache.tajo.client.QueryClientImpl.getQueryStatus(QueryClientImpl.java:272)
	at org.apache.tajo.client.TajoClientUtil.waitCompletion(TajoClientUtil.java:71)
	at org.apache.tajo.client.QueryClientImpl.getQueryResultAndWait(QueryClientImpl.java:239)
	at org.apache.tajo.client.QueryClientImpl.executeQueryAndGetResult(QueryClientImpl.java:190)
	at org.apache.tajo.client.TajoClientImpl.executeQueryAndGetResult(TajoClientImpl.java:109)
	at org.apache.tajo.QueryTestCaseBase.runSimpleTests(QueryTestCaseBase.java:527)
	at org.apache.tajo.engine.query.TestInnerJoinWithSubQuery.testThetaJoinKeyPairs(TestInnerJoinWithSubQuery.java:131)
	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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runners.Suite.runChild(Suite.java:127)
	at org.junit.runners.Suite.runChild(Suite.java:26)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)