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https://issues.apache.org/jira/browse/MAPREDUCE-7342?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan updated MAPREDUCE-7342:
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Component/s: test
Target Version/s: 3.2.4, 3.3.2, 3.4.0
Affects Version/s: 3.2.4
3.3.2
3.4.0
> Stop RMService in TestClientRedirect.testRedirect()
> ---------------------------------------------------
>
> Key: MAPREDUCE-7342
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7342
> Project: Hadoop Map/Reduce
> Issue Type: Test
> Components: test
> Affects Versions: 3.4.0, 3.3.2, 3.2.4
> Reporter: Zhengxi Li
> Assignee: Zhengxi Li
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.4.0, 3.3.2, 3.2.4
>
> Attachments: MAPREDUCE-7342-master.001.patch
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The test *{{*org.apache.hadoop.mapred.TestClientRedirect.testRedirect}}** is
> not idempotent and fail if run twice in the same JVM, because it pollutes
> some states shared among tests. It may be good to clean this state pollution
> so that some other tests do not fail in the future due to the shared state
> polluted by this test.
> h3. Detail
> Running *{{TestClientRedirect.testRedirect}}* twice would result in the
> second run failing due to the following assertion error:
> {noformat}
> INFO [main] service.AbstractService (AbstractService.java:noteFailure(267))
> - Service test failed in state STARTED
> org.apache.hadoop.yarn.exceptions.YarnRuntimeException:
> java.net.BindException:
> Problem binding to [0.0.0.0:8054] java.net.BindException: Address already in
> use
> {noformat}
> The root cause is that the RM server listening on port 8054) is started in
> the first run of this test, but hasn't been stopped when the test finishes.
> In the second run, when the test is trying to start the RMService, it fails
> because port 8054 is already in use, leading to the exception.
> PR link: https://github.com/apache/hadoop/pull/2968
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