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From "Till Toenshoff (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-1257) ExternalContainerizerTest.Launch is flaky
Date Tue, 29 Apr 2014 00:34:15 GMT

    [ https://issues.apache.org/jira/browse/MESOS-1257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13983793#comment-13983793
] 

Till Toenshoff commented on MESOS-1257:
---------------------------------------

Three issues have been identified so far;

1. Slave timeout when awaiting executor registration (see https://builds.apache.org/job/Mesos-Trunk-Ubuntu-Build-Out-Of-Src-Set-JAVA_HOME/2096/consoleFull)
Should be fixed by https://reviews.apache.org/r/20819/

2. Test failure on disabled python builds --disable-python (see https://builds.apache.org/job/Mesos-Trunk-Ubuntu-Build-Out-Of-Src-Disable-Java-Disable-Python-Disable-Webui/2097/consoleFull).
Trying to come up with a fix on that in a jiffy.

3. Test failure on disfunctional python egg.
In your specific case, it turned out that the python egg was entirely dysfunctional due to
some protoc quirks which we should really look into. To give some more context on that as
you had provided me with via IRC. The stderr-output of the test-containerizer.py script revealed
the following:
{noformat}
File "/home/jyu/workspace/mesos-dist/build/../../mesos/src/examples/python/test_containerizer.py",
line 45, in <module>
import mesos
File "build/bdist.linux-x86_64/egg/mesos.py", line 26, in <module>
File "build/bdist.linux-x86_64/egg/_mesos.py", line 7, in <module>
File "build/bdist.linux-x86_64/egg/_mesos.py", line 6, in __bootstrap__
File "build/bdist.linux-x86_64/egg/mesos_pb2.py", line 4, in <module>
ImportError: cannot import name enum_type_wrapper
{noformat}

So even though the symptoms for 2 and 3 are equal, their causes are different. For your specific
case (3), we need to find a fix which also should fix ExamplesTest.PythonFramework as you
have reported that one fails for you as well, which makes sense when looking at the above
log-output.

> ExternalContainerizerTest.Launch is flaky
> -----------------------------------------
>
>                 Key: MESOS-1257
>                 URL: https://issues.apache.org/jira/browse/MESOS-1257
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Jie Yu
>            Assignee: Till Toenshoff
>
> {noformat}
> [----------] 1 test from ExternalContainerizerTest
> [ RUN      ] ExternalContainerizerTest.Launch
> 2014-04-28 17:04:14,345:44634(0x7f94deffd700):ZOO_ERROR@handle_socket_error_msg@1697:
Socket [127.0.0.1:52535] zk retcode=-4, errno=111(Connection refused): server refused to accept
the client
> 2014-04-28 17:04:17,681:44634(0x7f94deffd700):ZOO_ERROR@handle_socket_error_msg@1697:
Socket [127.0.0.1:52535] zk retcode=-4, errno=111(Connection refused): server refused to accept
the client
> 2014-04-28 17:04:21,018:44634(0x7f94deffd700):ZOO_ERROR@handle_socket_error_msg@1697:
Socket [127.0.0.1:52535] zk retcode=-4, errno=111(Connection refused): server refused to accept
the client
> ../../../mesos/src/tests/external_containerizer_test.cpp:202: Failure
> Failed to wait 10secs for status
> {noformat}



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