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

[Nishant Parikh (JIRA)]

Thread Pooling configuration from jmx-console doesn't update WorkerStack size. Size remains 200 always.
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                 Key: JBAS-8595
                 URL: https://jira.jboss.org/browse/JBAS-8595
             Project: JBoss Application Server
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: JMX/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
            Assignee: Darran Lofthouse
            Priority: Critical


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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