[
https://issues.apache.org/jira/browse/HIVE-9131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vikram Dixit K resolved HIVE-9131.
----------------------------------
Resolution: Duplicate
> 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:
> {noformat}
> 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)
> {noformat}
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