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https://issues.apache.org/jira/browse/OOZIE-2584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15352581#comment-15352581
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Peter Cseh commented on OOZIE-2584:
-----------------------------------
There is a {{timeout}} parameter in some of the tests, can it still cause
flakiness in the tests?
> Eliminate Thread.sleep() calls in TestMemoryLocks
> -------------------------------------------------
>
> Key: OOZIE-2584
> URL: https://issues.apache.org/jira/browse/OOZIE-2584
> Project: Oozie
> Issue Type: Bug
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Priority: Minor
> Attachments: OOZIE-2584-001.patch
>
>
> There are a lot of Thread.sleep() calls in TestMemoryLocks.
> For example:
> {code}
> new Thread(l1).start();
> Thread.sleep(500);
> new Thread(l2).start();
> Thread.sleep(500);
> {code}
> This solution is very fragile. On a slower build machine, Thread2 might
> actually start earlier than Thread1, causing test failure.
> Eliminate sleeps and use a more stable approach for start/stop coordination
> (possibly CountDownLatches).
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