Re: Growing WOWorkerThread Problem

You can see if anything here helps:

http://en.wikibooks.org/wiki/Programming:WebObjects/Web_Applications/ 
Deployment/Common_Pitfalls_and_Troubleshooting#Dealing_with_Deadlocks. 
2FApplication_Hanging

ms

On Jun 23, 2006, at 5:19 PM, Fred Wells wrote:

> Hello all,
>
> We are having a significant problem with all of our WO app with  
> WOWorkerThreads.
>
> We get this message in our logs:
> <com.webobjects.appserver._private.WODefaultAdaptor>: Growing  
> number of WOWorkerThreads to 32
> and when it gets particularly hungry:
> <com.webobjects.appserver._private.WODefaultAdaptor>: Growing  
> number of WOWorkerThreads to 64
>
> The problem is, is this will completely render the app useless. If  
> you are in a session you will get no response from the server and  
> eventually the browser will give up. Or will bring up the first page 
> [login in all of our apps] and then hang. There will be no  
> indication of anything wrong in the logs except for the  
> aformentioned 'Growing..' business. The only way to recover is to  
> do a force quit through JavaMonitor or kill the process command line.
>
> The only sort of clue that we have is that we can sort recreate in  
> two distinct activities:
> Heavy SQL queries [this is more random and not as consistent]
> Using thrird party jar to interact with another application:
> specifically Adobe Document Server.
>
> If anybody has encountered anything like this and has some insight  
> that would be great.
>
> -thanks
>
>
> Frederick Wells
> Capps Digital
> 35 W Wacker
> 30th Fl.
> Chicago, IL
> 312.220.3056
> www.cappsdigital.com
> _______________________________________________
> WebObjects-dev mailing list
> [email protected]
> http://www.omnigroup.com/mailman/listinfo/webobjects-dev