[jira] [Commented] (HDDS-1332) Add some logging for flaky test testStartStopDatanodeStateMachine

["Nanda kumar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDDS-1332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16802916#comment-16802916 ] 

Nanda kumar commented on HDDS-1332:
-----------------------------------

+1 on adding additional log message. Will commit this shortly.

> Add some logging for flaky test testStartStopDatanodeStateMachine
> -----------------------------------------------------------------
>
>                 Key: HDDS-1332
>                 URL: https://issues.apache.org/jira/browse/HDDS-1332
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> testStartStopDatanodeStateMachine fails frequently in Jenkins. It also seems to have a timing issue which may be different from the Jenkins failure.
> E.g. If I add a 10 second sleep as below I can get the test to fail 100%.
> {code}
> @@ -163,6 +163,7 @@ public void testStartStopDatanodeStateMachine() throws IOException,
>      try (DatanodeStateMachine stateMachine =
>          new DatanodeStateMachine(getNewDatanodeDetails(), conf, null)) {
>        stateMachine.startDaemon();
> +      Thread.sleep(10_000L);
> {code}



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