[jira] Commented: (ABDERA-46) Memory Leak and Concurency Bug in Factory

["James M Snell (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ABDERA-46?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12491415 ] 

James M Snell commented on ABDERA-46:
-------------------------------------

I don't remember seeing this bug previously.  I will explore and get a fix in.  

> Memory Leak and Concurency Bug in Factory
> -----------------------------------------
>
>                 Key: ABDERA-46
>                 URL: https://issues.apache.org/jira/browse/ABDERA-46
>             Project: Abdera
>          Issue Type: Bug
>            Reporter: Brian McCallister
>         Assigned To: James M Snell
>
> Okay, am trying to reconstruct this from memory as I thought we had a filed a bug on it months agao when we found it...
> If you use the same Factory from multiple threads it maintains a map of extension namespaces. When you create a new element it accesses this map and if an addition is going the reader can get caught traversing it forever. (HashMap is not thread safe).
> This map also keeps all extensions it ever sees, which can lead to a memory leak if you use the default factory a lot -- say, with hundreds of thousands of extensions in my case.

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