[jira] [Created] (HIVE-9131) MiniTez optimize_nullscan test is unstable

["Sergey Shelukhin (JIRA)" <ji...@apache.org>]

Sergey Shelukhin created HIVE-9131:
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             Summary: MiniTez optimize_nullscan test is unstable
                 Key: HIVE-9131
                 URL: https://issues.apache.org/jira/browse/HIVE-9131
             Project: Hive
          Issue Type: Bug
            Reporter: Sergey Shelukhin


Sometimes fails with:
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2014-12-16 11:55:04,139 ERROR ql.Driver (SessionState.java:printError(834)) - FAILED: ClassCastException org.apache.hadoop.hive.ql.plan.MapWork cannot be cast to org.apache.hadoop.hive.ql.plan.ReduceWork
java.lang.ClassCastException: org.apache.hadoop.hive.ql.plan.MapWork cannot be cast to org.apache.hadoop.hive.ql.plan.ReduceWork
	at org.apache.hadoop.hive.ql.parse.GenTezWork.process(GenTezWork.java:361)
	at org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
	at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:94)
	at org.apache.hadoop.hive.ql.parse.GenTezWorkWalker.walk(GenTezWorkWalker.java:87)
	at org.apache.hadoop.hive.ql.parse.GenTezWorkWalker.walk(GenTezWorkWalker.java:103)
	at org.apache.hadoop.hive.ql.parse.GenTezWorkWalker.walk(GenTezWorkWalker.java:103)
	at org.apache.hadoop.hive.ql.parse.GenTezWorkWalker.startWalking(GenTezWorkWalker.java:69)
	at org.apache.hadoop.hive.ql.parse.TezCompiler.generateTaskTree(TezCompiler.java:368)
	at org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:202)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10202)
	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:224)
	at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74)
	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:224)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:419)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:305)
	at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1107)
	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1155)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1044)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1034)
	at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:206)
	at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:158)
	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:369)
	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:304)
	at org.apache.hadoop.hive.ql.QTestUtil.executeClient(QTestUtil.java:834)
	at org.apache.hadoop.hive.cli.TestMiniTezCliDriver.runTest(TestMiniTezCliDriver.java:136)
	at org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_optimize_nullscan(TestMiniTezCliDriver.java:120)
	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 junit.framework.TestCase.runTest(TestCase.java:176)
	at junit.framework.TestCase.runBare(TestCase.java:141)
	at junit.framework.TestResult$1.protect(TestResult.java:122)
	at junit.framework.TestResult.runProtected(TestResult.java:142)
	at junit.framework.TestResult.run(TestResult.java:125)
	at junit.framework.TestCase.run(TestCase.java:129)
	at junit.framework.TestSuite.runTest(TestSuite.java:255)
	at junit.framework.TestSuite.run(TestSuite.java:250)
	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:84)
	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)
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