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https://issues.apache.org/jira/browse/HDFS-3582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins updated HDFS-3582:
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Attachment: hdfs-3582.txt
Fixed one findbugs warning (findbugs isn't able to figure out one statement
after terminate is currently unreachable). The other two are HDFS-3615. Test
failures are unrelated.
> Hook System.exit in MiniDFSCluster
> ----------------------------------
>
> Key: HDFS-3582
> URL: https://issues.apache.org/jira/browse/HDFS-3582
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: test
> Affects Versions: 2.0.0-alpha
> Reporter: Eli Collins
> Assignee: Eli Collins
> Priority: Minor
> Attachments: hdfs-3582.txt, hdfs-3582.txt, hdfs-3582.txt
>
>
> Occasionally the tests fail with "java.util.concurrent.ExecutionException:
> org.apache.maven.surefire.booter.SurefireBooterForkException:
> Error occurred in starting fork, check output in log" because the NN is
> exit'ing (via System.exit or Runtime.exit). Unfortunately Surefire doesn't
> retain the log output (see SUREFIRE-871) so the test log is empty, we don't
> know which part of the test triggered which exit in HDFS. To make this
> debuggable, let's hook this in MiniDFSCluster via installing a security
> manager that overrides checkExit (ala TestClusterId) or mock out System.exit
> in the code itself. I think the former is preferable though we'll need to
> keep the door open for tests that want to set their own security manager
> (should be fine to override this one some times).
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