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https://issues.apache.org/jira/browse/HDDS-4607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17259326#comment-17259326
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Rui Wang commented on HDDS-4607:
--------------------------------
Thanks for working on this! Indeed TestDecommissionAndMaintenance was flaky
even locally.
> Intermittent failure in TestDecommissionAndMaintenance
> -------------------------------------------------------
>
> Key: HDDS-4607
> URL: https://issues.apache.org/jira/browse/HDDS-4607
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: test
> Reporter: Attila Doroszlai
> Assignee: Attila Doroszlai
> Priority: Critical
> Labels: pull-request-available
>
> {code:title=https://github.com/elek/ozone-build-results/blob/master/2020/12/15/4594/it-ozone/hadoop-ozone/integration-test/org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.txt}
> Tests run: 11, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 481.699 s
> <<< FAILURE! - in
> org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance
> testNodeWithOpenPipelineCanBeDecommissioned(org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance)
> Time elapsed: 34.96 s <<< FAILURE!
> junit.framework.AssertionFailedError: expected:<3> but was:<4>
> at junit.framework.Assert.fail(Assert.java:57)
> at junit.framework.Assert.failNotEquals(Assert.java:329)
> at junit.framework.Assert.assertEquals(Assert.java:78)
> at junit.framework.Assert.assertEquals(Assert.java:234)
> at junit.framework.Assert.assertEquals(Assert.java:241)
> at junit.framework.TestCase.assertEquals(TestCase.java:409)
> at
> org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.testNodeWithOpenPipelineCanBeDecommissioned(TestDecommissionAndMaintenance.java:178)
> {code}
> {code:title=https://github.com/elek/ozone-build-results/blob/master/2020/12/17/4668/it-ozone/hadoop-ozone/integration-test/org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.txt}
> Tests run: 11, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 471.277 s
> <<< FAILURE! - in
> org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance
> testContainerIsReplicatedWhenAllNodesGotoMaintenance(org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance)
> Time elapsed: 34.758 s <<< FAILURE!
> junit.framework.AssertionFailedError: expected:<5> but was:<6>
> ...
> at junit.framework.TestCase.assertEquals(TestCase.java:409)
> at
> org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.testContainerIsReplicatedWhenAllNodesGotoMaintenance(TestDecommissionAndMaintenance.java:394)
> ...
> testEnteringMaintenanceNodeCompletesAfterSCMRestart(org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance)
> Time elapsed: 38.884 s <<< FAILURE!
> junit.framework.AssertionFailedError: expected:<5> but was:<6>
> ...
> at junit.framework.TestCase.assertEquals(TestCase.java:409)
> at
> org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.testEnteringMaintenanceNodeCompletesAfterSCMRestart(TestDecommissionAndMaintenance.java:449)
> ...
> {code}
> More of the same:
> {noformat}
> 2020/12/17/4668/it-ozone/hadoop-ozone/integration-test/org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.txt:testEnteringMaintenanceNodeCompletesAfterSCMRestart(org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance)
> Time elapsed: 38.884 s <<< FAILURE!
> 2020/12/17/4675/it-ozone/hadoop-ozone/integration-test/org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.txt:testEnteringMaintenanceNodeCompletesAfterSCMRestart(org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance)
> Time elapsed: 40.182 s <<< FAILURE!
> 2020/12/18/4698/it-ozone/hadoop-ozone/integration-test/org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.txt:testContainerIsReplicatedWhenAllNodesGotoMaintenance(org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance)
> Time elapsed: 38.36 s <<< FAILURE!
> 2020/12/18/4698/it-ozone/hadoop-ozone/integration-test/org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.txt:testNodeWithOpenPipelineCanBeDecommissioned(org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance)
> Time elapsed: 32.833 s <<< FAILURE!
> 2020/12/20/4729/it-ozone/hadoop-ozone/integration-test/org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance.txt:testContainerIsReplicatedWhenAllNodesGotoMaintenance(org.apache.hadoop.ozone.scm.node.TestDecommissionAndMaintenance)
> Time elapsed: 31.281 s <<< FAILURE!
> {noformat}
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