[jboss-jira] [JBoss JIRA] (JBAS-8595) Thread Pooling configuration from jmx-console doesn't update WorkerStack size. Size remains 200 always.

[Eduardo Silva (JIRA)]

    [ https://issues.jboss.org/browse/JBAS-8595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12690194#comment-12690194 ] 

Eduardo Silva commented on JBAS-8595:
-------------------------------------

Code snippet to WorkerStack resize

public class WorkerStack {

 ...
 
    /**
     * Resize the queue
     * @param newSize
     */
    
    public void resizeTo(int newSize){
    	Worker[] newWorkers = new Worker[newSize];
    	System.arraycopy(workers, 0, newWorkers, 0, workers.length);
    	this.workers = newWorkers;
    }
}

                
> Thread Pooling configuration from jmx-console doesn't update WorkerStack size. Size remains 200 always.
> -------------------------------------------------------------------------------------------------------
>
>                 Key: JBAS-8595
>                 URL: https://issues.jboss.org/browse/JBAS-8595
>             Project: Application Server 3  4  5 and 6
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Web Console
>    Affects Versions: JBossAS-5.0.1.GA
>         Environment: Windows/Linux, JDK1.5, RAM 2GB, Processor 3GHz, Intel Core Due CPU
>            Reporter: Nishant Parikh
>            Priority: Critical
>             Fix For: No Release
>
>
> When we fire concurrent request more than 200, let's say 200+x (With maxThreads specified 1000 from jmx/web console), Everything works fine but after few seconds x NUMBER OF THREADS GETS BUSY and they never get free. On server log we are getting below ArrayIndexOutOfBoundsException.
> Exception in thread "http-192.168.1.166-8080-4" java.lang.ArrayIndexOutOfBoundsException: 200
> 	at org.apache.tomcat.util.net.JIoEndpoint$WorkerStack.push(JIoEndpoint.java:769)
> 	at org.apache.tomcat.util.net.JIoEndpoint.recycleWorkerThread(JIoEndpoint.java:724)
> 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:457)
> 	at java.lang.Thread.run(Thread.java:662)
> Exception in thread "http-192.168.1.166-8080-16" java.lang.ArrayIndexOutOfBoundsException: 201
> 	at org.apache.tomcat.util.net.JIoEndpoint$WorkerStack.push(JIoEndpoint.java:769)
> 	at org.apache.tomcat.util.net.JIoEndpoint.recycleWorkerThread(JIoEndpoint.java:724)
> 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:457)
> 	at java.lang.Thread.run(Thread.java:662)
> Exception in thread "http-192.168.1.166-8080-91" java.lang.ArrayIndexOutOfBoundsException: 202
> 	at org.apache.tomcat.util.net.JIoEndpoint$WorkerStack.push(JIoEndpoint.java:769)
> 	at org.apache.tomcat.util.net.JIoEndpoint.recycleWorkerThread(JIoEndpoint.java:724)
> 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:457)
> 	at java.lang.Thread.run(Thread.java:662)
> Exception in thread "http-192.168.1.166-8080-98" java.lang.ArrayIndexOutOfBoundsException: 203
> 	at org.apache.tomcat.util.net.JIoEndpoint$WorkerStack.push(JIoEndpoint.java:769)
> 	at org.apache.tomcat.util.net.JIoEndpoint.recycleWorkerThread(JIoEndpoint.java:724)
> 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:457)
> 	at java.lang.Thread.run(Thread.java:662)
> 17:08:49,515 ERROR [JIoEndpoint] Error allocating socket processor
> java.lang.ArrayIndexOutOfBoundsException: 203
> 	at org.apache.tomcat.util.net.JIoEndpoint$WorkerStack.pop(JIoEndpoint.java:778)
> 	at org.apache.tomcat.util.net.JIoEndpoint.createWorkerThread(JIoEndpoint.java:661)
> 	at org.apache.tomcat.util.net.JIoEndpoint.getWorkerThread(JIoEndpoint.java:702)
> 	at org.apache.tomcat.util.net.JIoEndpoint.processSocket(JIoEndpoint.java:737)
> 	at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:313)
> 	at java.lang.Thread.run(Thread.java:662)
> 17:08:49,530 ERROR [JIoEndpoint] Error allocating socket processor
> java.lang.ArrayIndexOutOfBoundsException: 202
> 	at org.apache.tomcat.util.net.JIoEndpoint$WorkerStack.pop(JIoEndpoint.java:778)
> 	at org.apache.tomcat.util.net.JIoEndpoint.createWorkerThread(JIoEndpoint.java:661)
> 	at org.apache.tomcat.util.net.JIoEndpoint.getWorkerThread(JIoEndpoint.java:702)
> 	at org.apache.tomcat.util.net.JIoEndpoint.processSocket(JIoEndpoint.java:737)
> 	at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:313)
> 	at java.lang.Thread.run(Thread.java:662)
> 17:08:49,546 ERROR [JIoEndpoint] Error allocating socket processor
> java.lang.ArrayIndexOutOfBoundsException: 201
> 	at org.apache.tomcat.util.net.JIoEndpoint$WorkerStack.pop(JIoEndpoint.java:778)
> 	at org.apache.tomcat.util.net.JIoEndpoint.createWorkerThread(JIoEndpoint.java:661)
> 	at org.apache.tomcat.util.net.JIoEndpoint.getWorkerThread(JIoEndpoint.java:702)
> 	at org.apache.tomcat.util.net.JIoEndpoint.processSocket(JIoEndpoint.java:737)
> 	at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:313)
> 	at java.lang.Thread.run(Thread.java:662)
> 17:08:49,548 ERROR [JIoEndpoint] Error allocating socket processor
> java.lang.ArrayIndexOutOfBoundsException: 200
> 	at org.apache.tomcat.util.net.JIoEndpoint$WorkerStack.pop(JIoEndpoint.java:778)
> 	at org.apache.tomcat.util.net.JIoEndpoint.createWorkerThread(JIoEndpoint.java:661)
> 	at org.apache.tomcat.util.net.JIoEndpoint.getWorkerThread(JIoEndpoint.java:702)
> 	at org.apache.tomcat.util.net.JIoEndpoint.processSocket(JIoEndpoint.java:737)
> 	at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:313)
> 	at java.lang.Thread.run(Thread.java:662)

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