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From "Marcus Eriksson (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-14610) Flaky dtest: nodetool_test.TestNodetool.test_describecluster_more_information_three_datacenters
Date Wed, 03 Oct 2018 14:48:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-14610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marcus Eriksson updated CASSANDRA-14610:
----------------------------------------
    Status: Patch Available  (was: Open)

the test depends on hard coded cassandra version and the order in which keyspaces/datacenters
are listed, this should fix those things;
https://github.com/krummas/cassandra-dtest/commits/marcuse/14610
https://circleci.com/workflow-run/6c0f0d61-3b5c-49dd-bdeb-22d24dc60b15

it also reduces the number of nodes started to 4 since starting 6 nodes is likely to fail
in circle ci

> Flaky dtest: nodetool_test.TestNodetool.test_describecluster_more_information_three_datacenters
> -----------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-14610
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14610
>             Project: Cassandra
>          Issue Type: Task
>          Components: Testing, Tools
>            Reporter: Jason Brown
>            Assignee: Marcus Eriksson
>            Priority: Minor
>              Labels: dtest
>
> @jay zhuang observed nodetool_test.TestNodetool.test_describecluster_more_information_three_datacenters
being flaky in Apache Jenkins. I ran locally and got a different flaky behavior:
> {noformat}
>         out_node1_dc3, err, _ = node1_dc3.nodetool('describecluster')
>         assert 0 == len(err), err
> >       assert out_node1_dc1 == out_node1_dc3
> E       AssertionError: assert 'Cluster Info...1=3, dc3=1}\n' == 'Cluster Infor...1=3,
dc3=1}\n'
> E           Cluster Information:
> E           	Name: test
> E           	Snitch: org.apache.cassandra.locator.PropertyFileSnitch
> E           	DynamicEndPointSnitch: enabled
> E           	Partitioner: org.apache.cassandra.dht.Murmur3Partitioner
> E           	Schema versions:
> E           		fc9ec7cd-80ba-3f27-87af-fc0bafcf7a03: [127.0.0.6, 127.0.0.5, 127.0.0.4,
127.0.0.3, 127.0.0.2, 127.0.0.1]...
> E         
> E         ...Full output truncated (26 lines hidden), use '-vv' to show
> 09:58:14,357 ccm DEBUG Log-watching thread exiting.
> ===Flaky Test Report===
> test_describecluster_more_information_three_datacenters failed and was not selected for
rerun.
> 	<class 'AssertionError'>
> 	assert 'Cluster Info...1=3, dc3=1}\n' == 'Cluster Infor...1=3, dc3=1}\n'
>     Cluster Information:
>     	Name: test
>     	Snitch: org.apache.cassandra.locator.PropertyFileSnitch
>     	DynamicEndPointSnitch: enabled
>     	Partitioner: org.apache.cassandra.dht.Murmur3Partitioner
>     	Schema versions:
>     		fc9ec7cd-80ba-3f27-87af-fc0bafcf7a03: [127.0.0.6, 127.0.0.5, 127.0.0.4, 127.0.0.3,
127.0.0.2, 127.0.0.1]...
>   
>   ...Full output truncated (26 lines hidden), use '-vv' to show
> 	[<TracebackEntry /opt/orig/1/opt/dev/cassandra-dtest/nodetool_test.py:373>]
> ===End Flaky Test Report===
> {noformat}
> As this test is for a patch that was introduced for 4.0, this dtest (should) only be
failing on trunk.



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