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https://issues.apache.org/jira/browse/HDDS-1332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16799804#comment-16799804
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Arpit Agarwal commented on HDDS-1332:
-------------------------------------
By the way this assertion is not why the test appears to be failing in Jenkins.
In Jenkins the following condition is never satisfied:
{code}
GenericTestUtils.waitFor(() -> connectionManager.getValues().size() == 1,
1000, 30000);
{code}
Instead of disabling the test we can also print some more information to see
why it is failing. E.g. print the value of connectionManager.getValues() every
time the check is executed.
> Skip 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
> Priority: Major
>
> 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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