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https://issues.apache.org/jira/browse/DRILL-3030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14746488#comment-14746488
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Sudheesh Katkam commented on DRILL-3030:
----------------------------------------
I don't think this is a duplicate of
[DRILL-3448|https://issues.apache.org/jira/browse/DRILL-3448]. The threadstack
is different; however, they might be related.
> Foreman hangs trying to cancel non-root fragments
> -------------------------------------------------
>
> Key: DRILL-3030
> URL: https://issues.apache.org/jira/browse/DRILL-3030
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Affects Versions: 1.0.0
> Reporter: Ramana Inukonda Nagaraj
> Assignee: Chun Chang
> Fix For: 1.2.0
>
> Attachments: threadstack
>
>
> Steps to repro:
> 1. Ran long running query on a clean drill restart.
> 2. Killed a non foreman node.
> 3. Restarted drillbits using clush.
> One of the drillbits(coincidentally a foreman node always) refused to
> shutdown.
> Jstack shows that the foreman is waiting
> {code}
> at
> org.apache.drill.exec.rpc.ReconnectingConnection$ConnectionListeningFuture.waitAndRun(ReconnectingConnection.java:105)
> at
> org.apache.drill.exec.rpc.ReconnectingConnection.runCommand(ReconnectingConnection.java:81)
> - locked <0x000000073878aaa8> (a
> org.apache.drill.exec.rpc.control.ControlConnectionManager)
> at
> org.apache.drill.exec.rpc.control.ControlTunnel.cancelFragment(ControlTunnel.java:57)
> at
> org.apache.drill.exec.work.foreman.QueryManager.cancelExecutingFragments(QueryManager.java:192)
> at
> org.apache.drill.exec.work.foreman.Foreman$StateSwitch.processEvent(Foreman.java:824)
> at
> org.apache.drill.exec.work.foreman.Foreman$StateSwitch.processEvent(Foreman.java:768)
> at
> org.apache.drill.common.EventProcessor.sendEvent(EventProcessor.java:73)
> at
> org.apache.drill.exec.work.foreman.Foreman$StateSwitch.moveToState(Foreman.java:770)
> at
> org.apache.drill.exec.work.foreman.Foreman.moveToState(Foreman.java:871)
> at
> org.apache.drill.exec.work.foreman.Foreman.access$2700(Foreman.java:107)
> at
> org.apache.drill.exec.work.foreman.Foreman$StateListener.moveToState(Foreman.java:1132)
> at
> org.apache.drill.exec.work.foreman.QueryManager$1.statusUpdate(QueryManager.java:460)
> {code}
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