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From "Emanuele Lombardi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-4210) SOlr TestJmxIntegration#testJmxOnCoreReload bug related to TestHarness
Date Wed, 11 Jul 2012 10:10:34 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Emanuele Lombardi updated LUCENE-4210:
--------------------------------------

    Attachment: TestHarnessPatch.txt
    
> SOlr TestJmxIntegration#testJmxOnCoreReload bug related to TestHarness
> ----------------------------------------------------------------------
>
>                 Key: LUCENE-4210
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4210
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 3.4, 3.5, 3.6
>            Reporter: Emanuele Lombardi
>              Labels: CoreContainer, CoreReload, JMX, patch
>         Attachments: TestHarnessPatch.txt
>
>
> Using zabbix to monitor my Solr instance I noticed that after core reloading the Mbeans
have disappeared. There is a test -> testJmxIntegration#testJmxOnCoreReload used to check
Mbeans presence after core reload. The test is wrong because TestHarness sets core name to
null on creating the core for the first time (CoreContainer#initialize) so his Mbeans have
jmxRootName="solr" (JmxMonitoredMap#line61). Once the core is created it sets coreName = ""
causing new Mbeans to have jmxRootName="solr/"
> So after first core closing only MBeans having name "solr" are removed and   only MBeans
with name "solr/" persists on JMXServer. This test is fake.
> Step to reproduce test fail
> 1) Apply TestHarness patch
> 2) Run the tests

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