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https://issues.apache.org/activemq/browse/SM-1792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ron Gavlin updated SM-1792:
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Attachment: sm-1792-ftp.patch
sm-1792-truezip.patch
sm-1792-common.patch
Part 1 of complete patch for this issue.
> LockManager impl causes memory leak in ServiceMix EIP
> -----------------------------------------------------
>
> Key: SM-1792
> URL: https://issues.apache.org/activemq/browse/SM-1792
> Project: ServiceMix
> Issue Type: Bug
> Components: servicemix-eip
> Affects Versions: servicemix-eip-2008.01, 3.3
> Environment: Fuse ESB 3.3.1.8-fuse
> Reporter: Trevor Pounds
> Priority: Blocker
> Fix For: servicemix-eip-2008.02
>
> Attachments: sm-1792-common.patch, sm-1792-eip.patch,
> sm-1792-file.patch, sm-1792-ftp.patch, sm-1792-truezip.patch, SM-1792.diff
>
>
> Currently the *org.apache.servicemix.locks.LockManager* interface only has a
> single method *getLock()* associated with it. As a result this can cause
> excessive memory leaks in any component that uses it. I noticed this problem
> after upgrading our ServiceMix version (from 3.2.1 to 3.3.1.8-fuse) when
> using the ServiceMix EIP. There was a change made for SM-1444 to start using
> the lockManager instance in the base EIPEndpoint class to store a lock for
> each exchange correlation id. As a result a new lock is being leaked for
> each unique correlation id. In our particular use case we see a 1-to-1
> correlation of one object in the lockManager for each message sent to the
> static recipient list. After some period of time our ServiceMix crashes with
> an OutOfMemoryError. I provided a link to the changeset as reference.
> see:
> http://svn.apache.org/viewvc/servicemix/components/engines/servicemix-eip/trunk/src/main/java/org/apache/servicemix/eip/patterns/StaticRecipientList.java?r1=669611&r2=674844&diff_format=h
> Class that use LockManager and may be affected:
> FtpPollerEndpoint.java
> FilePollerEndpoint.java
> TrueZipPollerEndpoint.java
> AbstractAggregator.java
> EIPEndpoint.java
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