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https://issues.apache.org/jira/browse/HIVE-15760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jason Dere updated HIVE-15760:
------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed to master
> TezCompiler throws ConcurrentModificationException during cycle detection
> -------------------------------------------------------------------------
>
> Key: HIVE-15760
> URL: https://issues.apache.org/jira/browse/HIVE-15760
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Affects Versions: 2.2.0
> Reporter: Prasanth Jayachandran
> Assignee: Deepak Jaiswal
> Priority: Critical
> Fix For: 2.2.0
>
> Attachments: HIVE.15760.1.patch
>
>
> HIVE-15269 is causing the following exception when we run explain on query72
> (TPC-DS).
> {code}
> java.util.ConcurrentModificationException
> at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
> at java.util.ArrayList$Itr.next(ArrayList.java:851)
> at
> org.apache.hadoop.hive.ql.parse.TezCompiler$SemiJoinCycleRemovalDueToMapsideJoins.process(TezCompiler.java:689)
> at
> org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
> at
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:105)
> at
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:89)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:43)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
> at
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:120)
> at
> org.apache.hadoop.hive.ql.parse.TezCompiler.removeSemiJoinCyclesDueToMapsideJoins(TezCompiler.java:759)
> at
> org.apache.hadoop.hive.ql.parse.TezCompiler.optimizeOperatorPlan(TezCompiler.java:112)
> at
> org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:140)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:11122)
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:275)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:258)
> at
> org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:129)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:258)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:513)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1305)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1445)
> {code}
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