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From "Sagara Gunathunga (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AXIS2-5233) OutOfMemory after redeploy services
Date Thu, 09 Feb 2012 11:22:59 GMT

    [ https://issues.apache.org/jira/browse/AXIS2-5233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204451#comment-13204451
] 

Sagara Gunathunga  commented on AXIS2-5233:
-------------------------------------------

Can you provide more details to reproduce this issue ? If we know exact conditions that cause
to this issue then it's easy to fix.  
                
> OutOfMemory after redeploy services
> -----------------------------------
>
>                 Key: AXIS2-5233
>                 URL: https://issues.apache.org/jira/browse/AXIS2-5233
>             Project: Axis2
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 1.6.1
>            Reporter: Oleh
>
> We have OutOfMemory error after redeploy services.
> PROBLEM:
> Class org.apache.axis2.deployment.DeploymentEngine has scheduler.
> If (hotdeployment = true) we have startSearch in loadServices method.
> But we don't clean old scheduler in startSearch method !
> Old SchedulerTask has old RepositoryListener (old WSInfoList)
> Old WSInfoList has all old services !
> The scheduler starts thread as deamon.
> The Thread is running..running.....
> New deploy -> new Thread
> The Thread has old data (WSInfoList) and may be GC don't clear memory (Thread has link
to data)
> We have result:OutOfMemory :(
> SOLUTION 1 
> Fixed class org.apache.axis2.deployment.DeploymentEngine
> Method startSearch(RepositoryListener listener)  
> Old Variant
>     protected void startSearch(RepositoryListener listener) {
>         scheduler = new Scheduler();
>         scheduler.schedule(new SchedulerTask(listener), new DeploymentIterator());
>     }
> Fix Variant
>     protected void startSearch(RepositoryListener listener) {
>         if (scheduler != null) {
>             scheduler.cleanup(); // May be it is very important !!! : )
>         }
>         scheduler = new Scheduler();
>         scheduler.schedule(new SchedulerTask(listener), new DeploymentIterator());
>     }
> SOLUTION 2 (temp) - Disable Hot Deployment
> File axis2.xml
>     <parameter name="hotdeployment">false</parameter>

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