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https://issues.apache.org/jira/browse/HADOOP-10500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13968835#comment-13968835
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Daryn Sharp commented on HADOOP-10500:
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+1 Looks good. I'd suggest that maybe a {{@Before}} that calls
{{ProxyUsers.refreshSuperUserGroupsConfiguration()}} to reset the config. That
way only tests that need to twiddle the proxy config will need to refresh, and
it will guard against someone adding a new test and forgetting to explicitly
refresh the config to reset it. It's up to you.
> TestDoAsEffectiveUser fails on JDK7 due to failure to reset proxy user
> configuration.
> -------------------------------------------------------------------------------------
>
> Key: HADOOP-10500
> URL: https://issues.apache.org/jira/browse/HADOOP-10500
> Project: Hadoop Common
> Issue Type: Bug
> Components: security, test
> Affects Versions: 3.0.0, 2.4.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Trivial
> Attachments: HADOOP-10500.1.patch
>
>
> The proxy user configuration is held in a static variable. Various tests in
> {{TestDoAsEffectiveUser}} mutate this data. JDK7 executes tests in a
> different order than JDK6, so this can cause a failure if the state hasn't
> been set explicitly to what the test needs.
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