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From "Ramana Inukonda Nagaraj (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-3030) Foreman seems to be unable to cancel itself
Date Tue, 12 May 2015 00:08:00 GMT

     [ https://issues.apache.org/jira/browse/DRILL-3030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ramana Inukonda Nagaraj updated DRILL-3030:
-------------------------------------------
    Attachment: threadstack

Jstack of hanging foreman node. 

> Foreman seems to be unable to cancel itself
> -------------------------------------------
>
>                 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: Chris Westin
>         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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