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From "Ariel Weisberg (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10730) periodic timeout errors in dtest
Date Mon, 23 Nov 2015 22:21:11 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15023215#comment-15023215
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Ariel Weisberg commented on CASSANDRA-10730:
--------------------------------------------

If it fails to make a connection maybe dump the output of netstat -tnlp just as a starting
point to see if the server was listening/running.

> periodic timeout errors in dtest
> --------------------------------
>
>                 Key: CASSANDRA-10730
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10730
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jim Witschey
>            Assignee: Jim Witschey
>
> Dtests often fail with connection timeout errors. For example:
> http://cassci.datastax.com/job/cassandra-3.1_dtest/lastCompletedBuild/testReport/upgrade_tests.cql_tests/TestCQLNodes3RF3/deletion_test/
> {code}
> ('Unable to connect to any servers', {'127.0.0.1': OperationTimedOut('errors=Timed out
creating connection (10 seconds), last_host=None',)})
> {code}
> We've merged a PR to increase timeouts:
> https://github.com/riptano/cassandra-dtest/pull/663
> It doesn't look like this has improved things:
> http://cassci.datastax.com/view/cassandra-3.0/job/cassandra-3.0_dtest/363/testReport/
> Next steps here are
> * to scrape Jenkins history to see if and how the number of tests failing this way has
increased (it feels like it has). From there we can bisect over the dtests, ccm, or C*, depending
on what looks like the source of the problem.
> * to better instrument the dtest/ccm/C* startup process to see why the nodes start but
don't successfully make the CQL port available.



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