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https://issues.apache.org/jira/browse/PIG-2352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13144388#comment-13144388
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Alan Gates commented on PIG-2352:
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The issue is that the java parameters are stored in an environment variable,
PIG_OPTS. This is not being unset when a new test is ran.
> e2e test harness' use of environment variables causes unintended effects
> between tests
> --------------------------------------------------------------------------------------
>
> Key: PIG-2352
> URL: https://issues.apache.org/jira/browse/PIG-2352
> Project: Pig
> Issue Type: Bug
> Components: site
> Affects Versions: 0.9.1
> Reporter: Alan Gates
> Assignee: Alan Gates
> Fix For: 0.10, 0.11
>
>
> If you run the new Bloom tests by themselves they pass. If you run them
> after running the Accumulator tests they fail. The accumulator tests set the
> java parameters, including turning off the combiner. These properties are
> then kept set for the Bloom tests, which causes them to fail.
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