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https://issues.apache.org/jira/browse/SOLR-5094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13724472#comment-13724472
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Hoss Man commented on SOLR-5094:
--------------------------------
bq. somehow this test must rely upon the test order of previous tests?
probably yeah ... if this is the first test running in the VM, it will likeley
fail, but if another test runs first and causes an MBean server to be created
then the tests works fine.
and recently committed cahnges seem to have shifted the test ordering in the VM
slightly?
either way: this just started failing in jenkins as well, suggesting that it's
not my imagination or something that changed on my machine -- something
fundemental changed today on both trunk and 4x causing this to fail regardless
of seed.
> TestJmxIntegration makes no sense
> ---------------------------------
>
> Key: SOLR-5094
> URL: https://issues.apache.org/jira/browse/SOLR-5094
> Project: Solr
> Issue Type: Bug
> Reporter: Hoss Man
> Assignee: Hoss Man
> Attachments: SOLR-5094.patch
>
>
> for reasons i can't explain, TestJmxIntegration stoped working on my machine
> today, and when i started looking into it, i realized that there's no logical
> reason why it should be working on any machine at all.
> Back when this test was first written, it was setup to ensure that an MBean
> server was up and running prior to initializing the SolrCore, and then the
> configuration used by the test was designed to use JMX if and only if an
> existing MBean server was running.
> in [r1402613|https://svn.apache.org/viewvc?view=revision&revision=1402613]
> this was (inadvertantly?) changed so that the SolrCore was initialized
> @BeforeClass, but there was no certainty that the Mbean server was started
> until later -- so the test fails in a variety of confusing ways because there
> is no JMX running at all. The only reason it can succeed is if an MBean
> server already happens to be running.
> I've got a patch that should fix this in general, or at least make it fail
> with a clear error if hte problem is that a JMX server isn't found on core
> init
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