[jira] [Resolved] (HDFS-16623) IllegalArgumentException in LifelineSender

["Chris Nauroth (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Nauroth resolved HDFS-16623.
----------------------------------
    Hadoop Flags: Reviewed
      Resolution: Fixed

I have committed this to trunk, branch-3.3 and branch-3.2. [~xuzq_zander] , thank you for the contribution.

> IllegalArgumentException in LifelineSender
> ------------------------------------------
>
>                 Key: HDFS-16623
>                 URL: https://issues.apache.org/jira/browse/HDFS-16623
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: ZanderXu
>            Assignee: ZanderXu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0, 3.2.4, 3.3.4
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> In our production environment, an IllegalArgumentException occurred in the LifelineSender at one DataNode which was undergoing GC at that time. 
> And the bug code is at line 1060 in BPServiceActor.java, because the sleep time is negative.
> {code:java}
> while (shouldRun()) {
>      try {
>         if (lifelineNamenode == null) {
>           lifelineNamenode = dn.connectToLifelineNN(lifelineNnAddr);
>         }
>         sendLifelineIfDue();
>         Thread.sleep(scheduler.getLifelineWaitTime());
>       } catch (InterruptedException e) {
>         Thread.currentThread().interrupt();
>       } catch (IOException e) {
>         LOG.warn("IOException in LifelineSender for " + BPServiceActor.this, e);
>      }
> }
> {code}



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