[jira] Commented: (AMQ-2290) Memory leak in SelectorParser LRUCache

["Gary Tully (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/activemq/browse/AMQ-2290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=52265#action_52265 ] 

Gary Tully commented on AMQ-2290:
---------------------------------

does the 80 in that screenshot indicate the number of LRUCache instances? If so, what container are you running. There must be a bunch of classloaders in the mix that can result in multiple instances of that static member.


> Memory leak in SelectorParser LRUCache
> --------------------------------------
>
>                 Key: AMQ-2290
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2290
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Selector
>    Affects Versions: 5.3.0
>            Reporter: Chetan Sarva
>         Attachments: selectorparser-leak.png
>
>
> There appears to be a memory leak in the LRUCache used by the SelectorParser. We have a simple selector-based request/response implementation which means we create a new selector on every request and these appear to be sticking around despite the use of an LRUCache with a 10,000 entry limit. A quick look at the LRUCache code didn't reveal any obvious problems, so I'm not sure what's going on here. For the time being we are rolling back to 5.2. 

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