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From "Darrel Schneider (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GEODE-362) TXExpiryJUnitTest.testEntryIdleExpiration intermittently fails because Cache listener detected a destroy
Date Fri, 02 Oct 2015 00:07:26 GMT

    [ https://issues.apache.org/jira/browse/GEODE-362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14940615#comment-14940615
] 

Darrel Schneider commented on GEODE-362:
----------------------------------------

This looks like a unit test issue. The test basically does this:
    exprReg.put("key0", "value");
    Thread.sleep(500);
    this.txMgr.begin();
    exprReg.put("key0", "value");
    waitDance(wasDestroyed, waitMs);

The expiration is 1000 milliseconds so it expects sleeping for 500 to not be a problem. But
once in a blue moon sleeping for 500 can cause us to over sleep and let the expiration happen
before we can do the second put. So in this case waitDance fails with the assertion we see
because the expiration cause afterDestroy of "key0" to be called in the test's cache listener.

Other unit tests use some test hooks to explicitly disable expiration from occurring. This
test needs to be modified to do that and should also be modified to use millisecond resolution
expiration so that the test does not need to wait so long.


> TXExpiryJUnitTest.testEntryIdleExpiration intermittently fails because Cache listener
detected a destroy
> --------------------------------------------------------------------------------------------------------
>
>                 Key: GEODE-362
>                 URL: https://issues.apache.org/jira/browse/GEODE-362
>             Project: Geode
>          Issue Type: Bug
>          Components: tests
>            Reporter: Darrel Schneider
>            Assignee: Darrel Schneider
>            Priority: Minor
>              Labels: CI
>
> This was seen on a private build of git rev 4708d4e182f89c6a391fcad8bac854f929717685:
> {code}
> java.lang.AssertionError: Cache listener detected a destroy oh man that is bad!
> 	at org.junit.Assert.fail(Assert.java:88)
> 	at com.gemstone.gemfire.TXExpiryJUnitTest.waitDance(TXExpiryJUnitTest.java:122)
> 	at com.gemstone.gemfire.TXExpiryJUnitTest.generalEntryExpirationTest(TXExpiryJUnitTest.java:186)
> 	at com.gemstone.gemfire.TXExpiryJUnitTest.testEntryIdleExpiration(TXExpiryJUnitTest.java:106)
> {code}



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