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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