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Date: Fri, 28 Oct 2016 15:22:58 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (DRILL-4972) Drillbit shuts down immediately
 after starting if embedded web server is disabled
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archived-at: Fri, 28 Oct 2016 15:23:00 -0000


    [ https://issues.apache.org/jira/browse/DRILL-4972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15615702#comment-15615702 ] 

ASF GitHub Bot commented on DRILL-4972:
---------------------------------------

Github user sudheeshkatkam commented on a diff in the pull request:

    https://github.com/apache/drill/pull/633#discussion_r85552294
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/work/WorkManager.java ---
    @@ -295,7 +295,7 @@ public FragmentExecutor getFragmentRunner(final FragmentHandle handle) {
        */
       private class StatusThread extends Thread {
         public StatusThread() {
    -      setDaemon(true);
    +      setDaemon(false);
    --- End diff --
    
    .. but this will make sure that is the case.


> Drillbit shuts down immediately after starting if embedded web server is disabled
> ---------------------------------------------------------------------------------
>
>                 Key: DRILL-4972
>                 URL: https://issues.apache.org/jira/browse/DRILL-4972
>             Project: Apache Drill
>          Issue Type: Bug
>          Components:  Server
>    Affects Versions: 1.8.0
>            Reporter: Sudheesh Katkam
>            Assignee: Sorabh Hamirwasia
>            Priority: Critical
>             Fix For: 1.9.0
>
>
> Disable embedded web server by setting "drill.exec.http.enabled" to false. Now when drillbit is started, it shuts down immediately after starting.
> JVM exits when the only threads running are all daemon threads. Turns out all threads in a drillbit, other than the thread pool started by the web server, are daemon. So I suggest WorkManager#StatusThread be made non-daemon.


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