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From Simon Weller <swel...@ena.com>
Subject Re: [ACS411] CLOUDSTACK-2188: patch request
Date Mon, 22 Jul 2013 17:38:48 GMT
Issue filed as CLOUDSTACK-3716 . 

----- Original Message -----

From: "Simon Weller" <sweller@ena.com> 
To: dev@cloudstack.apache.org 
Sent: Monday, July 22, 2013 11:52:08 AM 
Subject: Re: [ACS411] CLOUDSTACK-2188: patch request 

Ok, will do. 

The reason I hadn't brought this up until now is that we only upgraded to 4.1 in production
last week. That's when I started digging into this NPE and found the reported related issues.


----- Original Message ----- 

From: "Ilya Musayev" <imusayev@webmd.net> 
To: dev@cloudstack.apache.org 
Sent: Monday, July 22, 2013 11:32:50 AM 
Subject: RE: [ACS411] CLOUDSTACK-2188: patch request 

Simon, 

Since this issue has been resolved, please open a separate issue for ACS 4.1 and link CLOUDSTACK-2177
and CLOUDSTACK-2188 to it. 

Please mention your environment and steps to reproduce along with error trace. 

Thanks 
ilya 

> -----Original Message----- 
> From: Musayev, Ilya [mailto:imusayev@webmd.net] 
> Sent: Monday, July 22, 2013 12:24 PM 
> To: dev@cloudstack.apache.org 
> Subject: RE: [ACS411] CLOUDSTACK-2188: patch request 
> 
> Simon, 
> 
> I've looked at patch and yes - it's been refactored greatly. 
> 
> I wish this would have been brought up earlier :( While due to time 
> constraint, we probably wont be able to make into 4.1.1, if we can get the 
> patch, we will try to push it into next 4.1.2 update. 
> 
> Please update the ticket and ask if this patch can be back ported to 4.1. I'll do 
> the same. 
> 
> Thanks 
> ilya 
> 
> > -----Original Message----- 
> > From: Simon Weller [mailto:sweller@ena.com] 
> > Sent: Monday, July 22, 2013 11:30 AM 
> > To: dev@cloudstack.apache.org 
> > Subject: [ACS411] CLOUDSTACK-2188: patch request 
> > 
> > Hi, 
> > 
> > I'd like to request a patch for Cloudstack-2188 for ACS 4.1.1. 
> > 
> > The master commit was e56d2a401c40b4208d062c0a0ce1ec01df73dd08, but 
> it 
> > appears the code has been greatly re-factored since 4.1 was originally 
> > branched. 
> > This NPE appears to be causing a memory leak in our production 
> > environment that consumes memory quickly due to the number of times 
> > this NPE is being triggered. We currently have tomcat max memory set 
> > to 2G, and individual management servers are running out of memory 
> > within 4 to 5 days. 
> > 
> > MS NPE log for reference: 
> > 
> > 2013-07-22 09:40:47,404 DEBUG [agent.manager.AgentManagerImpl] 
> > (AgentConnectTaskPool-1066:null) Details from executing class 
> > com.cloud.agent.api.storage.ListVolumeCommand: success 
> > 2013-07-22 09:40:47,407 ERROR [agent.manager.AgentManagerImpl] 
> > (AgentConnectTaskPool-1066:null) Monitor DownloadListener says there 
> > is an error in the connect process for 28 due to null 
> > java.lang.NullPointerException at 
> > 
> com.cloud.storage.download.DownloadMonitorImpl.handleVolumeSync(Do 
> > wnloadMonitorImpl.java:694) 
> > at 
> > 
> com.cloud.storage.download.DownloadMonitorImpl.handleSync(Download 
> > MonitorImpl.java:620) 
> > at 
> > 
> com.cloud.storage.download.DownloadListener.processConnect(DownloadL 
> > istener.java:385) 
> > at 
> > 
> com.cloud.agent.manager.AgentManagerImpl.notifyMonitorsOfConnection( 
> > AgentManagerImpl.java:611) 
> > at 
> > 
> com.cloud.agent.manager.AgentManagerImpl.handleConnectedAgent(Agen 
> > tManagerImpl.java:1111) 
> > at 
> > 
> com.cloud.agent.manager.AgentManagerImpl.access$100(AgentManagerIm 
> > pl.java:145) 
> > at 
> > 
> com.cloud.agent.manager.AgentManagerImpl$HandleAgentConnectTask.ru 
> > n(AgentManagerImpl.java:1186) 
> > at 
> > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.j 
> > av 
> > a:1146) 
> > at 
> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor. 
> > ja 
> > va:615) 
> > at java.lang.Thread.run(Thread.java:679) 
> > 
> > 
> > Thanks, 
> > 
> > - Si 



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