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https://issues.apache.org/jira/browse/HDFS-16336?focusedWorklogId=684511&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-684511
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ASF GitHub Bot logged work on HDFS-16336:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 22/Nov/21 04:52
Start Date: 22/Nov/21 04:52
Worklog Time Spent: 10m
Work Description: virajjasani commented on pull request #3686:
URL: https://github.com/apache/hadoop/pull/3686#issuecomment-975112456
> @virajjasani I think this failure is due to the remaining metrics created
by another test. The fix is to wait for the metrics to be removed. Is that
correct?
That's correct @aajisaka. After some considerations, thought of keeping bit
higher wait time of 8s.
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Issue Time Tracking
-------------------
Worklog Id: (was: 684511)
Time Spent: 1h 20m (was: 1h 10m)
> De-flake TestRollingUpgrade#testRollback
> ----------------------------------------
>
> Key: HDFS-16336
> URL: https://issues.apache.org/jira/browse/HDFS-16336
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Affects Versions: 3.4.0
> Reporter: Kevin Wikant
> Assignee: Viraj Jasani
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> This pull request: [https://github.com/apache/hadoop/pull/3675]
> Failed Jenkins pre-commit job due to an unrelated unit test failure:
> [https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3675/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt]
> {code:java}
> [ERROR] Failures:
> [ERROR]
> org.apache.hadoop.hdfs.TestRollingUpgrade.testRollback(org.apache.hadoop.hdfs.TestRollingUpgrade)
> [ERROR] Run 1: TestRollingUpgrade.testRollback:328->checkMxBeanIsNull:299
> expected null, but
> was:<javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo$Bean,items=((itemName=blockPoolId,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=createdRollbackImages,itemType=javax.management.openmbean.SimpleType(name=java.lang.Boolean)),(itemName=finalizeTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=startTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={blockPoolId=BP-1039609189-172.17.0.2-1637204447583,
> createdRollbackImages=true, finalizeTime=0, startTime=1637204448659})>
> [ERROR] Run 2: TestRollingUpgrade.testRollback:328->checkMxBeanIsNull:299
> expected null, but
> was:<javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo$Bean,items=((itemName=blockPoolId,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=createdRollbackImages,itemType=javax.management.openmbean.SimpleType(name=java.lang.Boolean)),(itemName=finalizeTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=startTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={blockPoolId=BP-1039609189-172.17.0.2-1637204447583,
> createdRollbackImages=true, finalizeTime=0, startTime=1637204448659})>
> [ERROR] Run 3: TestRollingUpgrade.testRollback:328->checkMxBeanIsNull:299
> expected null, but
> was:<javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo$Bean,items=((itemName=blockPoolId,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=createdRollbackImages,itemType=javax.management.openmbean.SimpleType(name=java.lang.Boolean)),(itemName=finalizeTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=startTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={blockPoolId=BP-1039609189-172.17.0.2-1637204447583,
> createdRollbackImages=true, finalizeTime=0, startTime=1637204448659})> {code}
> Seems that perhaps "TestRollingUpgrade.testRollback" is a flaky unit test
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