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https://issues.apache.org/jira/browse/SOLR-2285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hoss Man updated SOLR-2285:
---------------------------

    Attachment: SOLR-2285.patch

patch with test to verify and a fix.

still testing this

> excess SolrEventListeners created and then thrown away
> ------------------------------------------------------
>
>                 Key: SOLR-2285
>                 URL: https://issues.apache.org/jira/browse/SOLR-2285
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 1.4, 1.4.1
>            Reporter: Hoss Man
>            Assignee: Hoss Man
>             Fix For: 3.1, 4.0
>
>         Attachments: SOLR-2285.patch
>
>
> As noted by Jørgen Trosby on the solr mailing list (subj: "SolrEventListeners 
> are instantiated twice", "Mon, 11 Oct 2010 18:11:07 +0200") there is a 
> problem with how SolrEventListeners are being created and initialized
> the bug is two fold: 
> * the UpdatedHandler and the SolrCore both independently loop over all 
> SolrEventListeners looking for the two classes of use cases they directly 
> care about (postCommit/postOptimize vs newSearcher/firstSearcher) -- in both 
> cases they construct every declared listener even if it is not a type they 
> care about
> * even when UpdatedHandler is finding a postCommit it cared about, it throws 
> it away and constructing it again.

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