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https://issues.apache.org/jira/browse/HIVE-21600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jesus Camacho Rodriguez updated HIVE-21600:
-------------------------------------------
Attachment: HIVE-21600.patch
> GenTezUtils.removeSemiJoinOperator may throw out of bounds exception for TS
> with multiple children
> --------------------------------------------------------------------------------------------------
>
> Key: HIVE-21600
> URL: https://issues.apache.org/jira/browse/HIVE-21600
> Project: Hive
> Issue Type: Bug
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-21600.patch
>
>
> The method does not reset the context when it loops through the children of
> TS. Hence, if TS has multiple FIL children, we can end up with a mangled
> context.
> Stacktrace:
> {code}
> ERROR : FAILED: ArrayIndexOutOfBoundsException -1
> java.lang.ArrayIndexOutOfBoundsException: -1
> at java.util.ArrayList.elementData(ArrayList.java:418)
> at java.util.ArrayList.remove(ArrayList.java:495)
> at
> org.apache.hadoop.hive.ql.parse.GenTezUtils.removeSemiJoinOperator(GenTezUtils.java:653)
> at
> org.apache.hadoop.hive.ql.optimizer.SharedWorkOptimizer.sharedWorkOptimization(SharedWorkOptimizer.java:452)
> at
> org.apache.hadoop.hive.ql.optimizer.SharedWorkOptimizer.transform(SharedWorkOptimizer.java:151)
> at
> org.apache.hadoop.hive.ql.parse.TezCompiler.optimizeOperatorPlan(TezCompiler.java:186)
> at
> org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:148)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:12495)
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:362)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:289)
> at
> org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:172)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:289)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:664)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1870)
> at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1817)
> at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1812)
> {code}
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