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https://issues.apache.org/jira/browse/FLINK-14763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16995535#comment-16995535
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Dawid Wysakowicz edited comment on FLINK-14763 at 12/13/19 10:43 AM:
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What are the events that you are using for your query? Could you make sure that
the key you are using for your query implements a proper, stable hashcode?
was (Author: dawidwys):
What are the events that you are using for you query? Could you make sure that
the key you are using for your query implements a proper, stable hashcode?
> cep parallelism error
> -----------------------
>
> Key: FLINK-14763
> URL: https://issues.apache.org/jira/browse/FLINK-14763
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.10.0
> Environment: flink on yarn
> flink 1.10
> hadoop 3.0
> kafka 2.2.0
> Reporter: richt richt
> Priority: Major
>
> when i commit a cep sql with sql-client use parallelism large than 1 , it
> print error as blow
> {code:java}
> //代码占位符
> java.lang.IllegalArgumentException: KeyGroupRange{startKeyGroup=0,
> endKeyGroup=15} does not contain key group
> 16java.lang.IllegalArgumentException: KeyGroupRange{startKeyGroup=0,
> endKeyGroup=15} does not contain key group 16 at
> org.apache.flink.util.Preconditions.checkArgument(Preconditions.java:161) at
> org.apache.flink.runtime.state.heap.HeapPriorityQueueSet.globalKeyGroupToLocalIndex(HeapPriorityQueueSet.java:158)
> at
> org.apache.flink.runtime.state.heap.HeapPriorityQueueSet.getDedupMapForKeyGroup(HeapPriorityQueueSet.java:147)
> at
> org.apache.flink.runtime.state.heap.HeapPriorityQueueSet.getDedupMapForElement(HeapPriorityQueueSet.java:154)
> at
> org.apache.flink.runtime.state.heap.HeapPriorityQueueSet.add(HeapPriorityQueueSet.java:121)
> at
> org.apache.flink.runtime.state.heap.HeapPriorityQueueSet.add(HeapPriorityQueueSet.java:49)
> at
> org.apache.flink.streaming.api.operators.InternalTimerServiceImpl.registerEventTimeTimer(InternalTimerServiceImpl.java:216)
> at
> org.apache.flink.cep.operator.CepOperator.saveRegisterWatermarkTimer(CepOperator.java:285)
> at
> org.apache.flink.cep.operator.CepOperator.processElement(CepOperator.java:266)
> at
> org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processElement(StreamOneInputProcessor.java:163)
> at
> org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:149)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:282)
> at
> org.apache.flink.streaming.runtime.tasks.mailbox.execution.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:151)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:430)
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:696) at
> org.apache.flink.runtime.taskmanager.Task.run(Task.java:521) at
> java.lang.Thread.run(Thread.java:748)
> {code}
> it seems allocate some key to the wrong taskmanager
> here the demo i use
> [链接标题|[https://ci.apache.org/projects/flink/flink-docs-release-1.7/dev/table/streaming/match_recognize.html]]
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