[jboss-jira] [JBoss JIRA] Resolved: (JBCACHE-1288) Handling of default eviction region config leads to duplicates

[Manik Surtani (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBCACHE-1288?page=all ]

Manik Surtani resolved JBCACHE-1288.
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    Fix Version/s: 2.1.0.GA
       Resolution: Done

Resolved using "Approach 2", as outlined above.

> Handling of default eviction region config leads to duplicates
> --------------------------------------------------------------
>
>                 Key: JBCACHE-1288
>                 URL: http://jira.jboss.com/jira/browse/JBCACHE-1288
>             Project: JBoss Cache
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Eviction
>    Affects Versions: 2.1.0.CR3
>            Reporter: Brian Stansberry
>         Assigned To: Manik Surtani
>             Fix For: 2.1.0.GA
>
>
> The way the EvictionConfig.getEvictionRegionConfigs() method works leads to duplicate entries for the _default_ region when the JBoss Microcontainer builds  up a configuration.
> Problem is when there is no list of ERCs, the method builds one with a config for the _default_ region in it, and returns that.  The MC will call this method, and then try to add xml-configured ERCs to the returned list.  If a _default_ region is configured in XML, the _default_ region will end up being in the resulting list twice.
> Test org.jboss.cache.config.EvictionRegionConfigurationTest.testDuplicateDefaultRegion() shows the issue.
> I think the core problem here is that the attempt to add a default region is being done in the wrong place. It's not really the concern of the EvictionConfig class.  I think it properly belongs in RegionManager.setEvictionConfig() -- that's the class that's responsible for checking the configuration and making it conform to its requirements.
> I've got a patch along the above lines.

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