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https://issues.apache.org/jira/browse/GEODE-2556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16327446#comment-16327446
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Bruce Schuchardt commented on GEODE-2556:
-----------------------------------------
I think the problem with this RollingUpgradeDUnitTest is that it creates a
region with Scope NO_ACK. It is failing in the initial population of the cache
when operations haven't been distributed after a short sleep. Changing the
scope to ACK ought to let us remove the sleep and make the test more reliable.
> RollingUpgradeDUnitTest.testRollServersOnPersistentRegion_dataserializable[0]
> fails intermittently
> --------------------------------------------------------------------------------------------------
>
> Key: GEODE-2556
> URL: https://issues.apache.org/jira/browse/GEODE-2556
> Project: Geode
> Issue Type: Bug
> Components: tests
> Reporter: Kirk Lund
> Assignee: Bruce Schuchardt
> Priority: Major
> Labels: Flaky
>
> I've seen this fail off and on in precheckin, but it always passes when I run
> it by itself.
> {noformat}
> org.apache.geode.internal.cache.rollingupgrade.RollingUpgradeDUnitTest >
> testRollServersOnPersistentRegion_dataserializable[0] FAILED
> org.apache.geode.test.dunit.RMIException: While invoking
> org.apache.geode.internal.cache.rollingupgrade.RollingUpgradeDUnitTest$12.run
> in VM 1 running on Host d8f0ab20fb04 with 4 VMs
> at org.apache.geode.test.dunit.VM.invoke(VM.java:377)
> at org.apache.geode.test.dunit.VM.invoke(VM.java:347)
> at org.apache.geode.test.dunit.VM.invoke(VM.java:292)
> at
> org.apache.geode.internal.cache.rollingupgrade.RollingUpgradeDUnitTest.putDataSerializableAndVerify(RollingUpgradeDUnitTest.java:294)
> at
> org.apache.geode.internal.cache.rollingupgrade.RollingUpgradeDUnitTest.putAndVerify(RollingUpgradeDUnitTest.java:246)
> at
> org.apache.geode.internal.cache.rollingupgrade.RollingUpgradeDUnitTest.doTestRollAll(RollingUpgradeDUnitTest.java:206)
> at
> org.apache.geode.internal.cache.rollingupgrade.RollingUpgradeDUnitTest.testRollServersOnPersistentRegion_dataserializable(RollingUpgradeDUnitTest.java:134)
> Caused by:
> java.lang.Error: Entry for key:25 does not exist
> at
> org.apache.geode.internal.cache.rollingupgrade.RollingUpgradeDUnitTest.assertEntryExists(RollingUpgradeDUnitTest.java:797)
> {noformat}
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