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https://issues.apache.org/jira/browse/CASSANDRA-13216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15946966#comment-15946966
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Alex Petrov commented on CASSANDRA-13216:
-----------------------------------------
This is extremely weird. I've ran the test 100 times
[here|https://cassci.datastax.com/view/Dev/view/ifesdjeen/job/ifesdjeen-13216-trunk-testall/lastCompletedBuild/consoleFull]
and it passed every time. Checked for the interference (by ensuring that each
test class is running in it's own forked JVM), and confirmed it (by outputting
and comparing PIDs of the processes in the log files). I've checked for
possible races / reordering and could not find any problem so far. Looks like
we can only reproduce this issue when running a full test suite, not an
individual test.
> testall failure in
> org.apache.cassandra.net.MessagingServiceTest.testDroppedMessages
> ------------------------------------------------------------------------------------
>
> Key: CASSANDRA-13216
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13216
> Project: Cassandra
> Issue Type: Bug
> Components: Testing
> Reporter: Sean McCarthy
> Labels: test-failure, testall
> Fix For: 3.0.13, 3.11.0, 4.0
>
> Attachments: TEST-org.apache.cassandra.net.MessagingServiceTest.log,
> TEST-org.apache.cassandra.net.MessagingServiceTest.log
>
>
> example failure:
> http://cassci.datastax.com/job/cassandra-3.11_testall/81/testReport/org.apache.cassandra.net/MessagingServiceTest/testDroppedMessages
> {code}
> Error Message
> expected:<... dropped latency: 27[30 ms and Mean cross-node dropped latency:
> 2731] ms> but was:<... dropped latency: 27[28 ms and Mean cross-node dropped
> latency: 2730] ms>
> {code}{code}
> Stacktrace
> junit.framework.AssertionFailedError: expected:<... dropped latency: 27[30 ms
> and Mean cross-node dropped latency: 2731] ms> but was:<... dropped latency:
> 27[28 ms and Mean cross-node dropped latency: 2730] ms>
> at
> org.apache.cassandra.net.MessagingServiceTest.testDroppedMessages(MessagingServiceTest.java:83)
> {code}
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