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dolphin_g

asked on

Java Thread Programming

Trying to write a program, where in The current thread tries to close the Singleton Socket Connection that was created earlier. My singleton Socket is running on a
JBoss Server, I have a client which is run to do the necessary job on the server by invoking a program through JBoss remoting.
The problem is that the program I run to close the socket does not return, but is waiting for the Socket handle.

The code is attached.

/**
 * 
 */
package com.tss.wireless.wpi.sockets;
 
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.ResourceBundle;
 
import org.apache.log4j.Logger;
 
import com.tss.wireless.monitor.HMAClient;
 
 
 
/**
 * <strong>WPISocket</strong>, provides routines to handle the DDS Socket Management.
 * 
 * @author Rama
 */
public class WPISocket {
	
	private static Logger log = Logger.getLogger(WPISocket.class);
 
	private static Socket socket;
	
	private static BufferedReader readLine;
	
	private static PrintWriter writeLine;
	
	private static String hostAddress;
	
	private static int portNo;
	
	/**
	 * Initialization routine for the Host parameters.
	 * @throws IOException 
	 * @throws FileNotFoundException 
	 */
	public static void initSocket(ResourceBundle bundle) throws FileNotFoundException, IOException{
		
		hostAddress = bundle.getString("DDSSocketHostAddress");
		portNo = Integer.valueOf(bundle.getString("DDSSocketPortNo"));
		Logger log = Logger.getLogger(WPISocket.class);
		log.info("WPISocket initialized.");
	}
 
	/**
	 * Creates the Socket.
	 * @return the socket
	 * @throws IOException 
	 * @throws FileNotFoundException 
	 */
	public static Socket getSocket() throws FileNotFoundException, IOException {
		if(socket == null){
			socket = new Socket(hostAddress, portNo);
			socket.setKeepAlive(true);
		}
		return socket;
	}
	
	/**
	 * Returns the Singleton Input Stream object.
	 * @return
	 * @throws FileNotFoundException
	 * @throws IOException
	 */
	public static BufferedReader getInputStream() throws FileNotFoundException, IOException{
		if(readLine == null){
			if(socket == null){
				socket = getSocket();
			}
			readLine = new BufferedReader(new InputStreamReader(socket.getInputStream()));
		}
		return readLine;
	}
	
	/**
	 * Returns the Singleton Output Stream Object.
	 * @return
	 * @throws FileNotFoundException
	 * @throws IOException
	 */
	public static PrintWriter getOutputStream() throws FileNotFoundException, IOException{
		if(writeLine == null){
			if(socket == null){
				socket = getSocket();
			}
			writeLine = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
		}	
		return writeLine;
	}
	
	/**
	 * Handles Socket Exceptions. synchronised method, to prevent multiple threads trying to re-connect the socket.
	 * So, as soon as a thread gets handle of this method, checks whether the old thread did establish connection.
	 * 1.Tests if Socket is connected.
	 * 2.Pings the server.
	 * 3.If Exception is thrown again, Tries to constantly establish connection.
	 * 4.Sends an alert to the Status Monitoring System that the socket connection is down.
	 * 5.If the Socket connection is established, the call to this method is returned.
	 */
	public static synchronized void handleSocketException() {
		int i=0;
		while(true){
			log.info("HandleSocketException : Retry Socket Connection "+(++i));
			try{
				if(socket != null){
					socket.isConnected();
					socket.sendUrgentData(1);
				} else {
					connectSocket();
					break;
				}
			}catch(SocketException e){
				try {
					connectSocket();
					break;
				} catch (UnknownHostException e1) {
					HMAClient.sendAlert(e1.getClass().getName(), e1.getMessage());
					log.error("HandleSocketException : Could not create connection to Host "+hostAddress+" @ Port :"+portNo);
				} catch (IOException e1) {
					log.debug("HandleSocketException : "+e.getMessage());
				}
			} catch (UnknownHostException e1) {
				HMAClient.sendAlert(e1.getClass().getName(), e1.getMessage());
				log.error("HandleSocketException : Could not create connection to Host "+hostAddress+" @ Port :"+portNo);
			} catch(IOException e){
				log.debug("HandleSocketException : "+e.getMessage());
			}
		}	
	}
	
	private static void connectSocket() throws UnknownHostException, IOException{
		socket = new Socket(hostAddress,portNo);
		if(socket.isBound()){
			return;
		}
	}
	
	public static void stopSocket(){
		
		synchronized(socket){
			try {
				socket.close();
			} catch (IOException e) {
				
			}
		}
		log.debug("Socket closed");
	}
	
	public static synchronized void closeInputStream(){
		synchronized(socket){
			try {
				socket.getInputStream().close();
			} catch (IOException e) {
				
			}
		}
		log.debug("Socket Input Stream closed");
	}
	
	public static synchronized void closeOutputStream(){
		synchronized(socket){
			try{
				socket.getOutputStream().close();
			}catch(IOException e){
				
			}
		}	
		log.debug("Socket Output Stream closed");
	}
 
}
 
/**********************CLIENT to close Socket********************************/
 
if(arg0.getParameter().equals("init")){
			log.debug("Remoting Server Handler Object invoked.");
			InitializeWPI init = new InitializeWPI();
			init.initialize();
			log.debug("Initialization of server components completed.");
		} else if(arg0.getParameter().equals("closeSocket")){
			log.debug("Close Socket");
			Thread t = Thread.currentThread();
			t.setPriority(Thread.MAX_PRIORITY);
			WPISocket.stopSocket();
		} else if(arg0.getParameter().equals("closeInputstream")){
			log.debug("Close Socket Input Stream");
			Thread t = Thread.currentThread();
			t.setPriority(Thread.MAX_PRIORITY);
			WPISocket.closeInputStream();
		} else if(arg0.getParameter().equals("closeOutputstream")){
			log.debug("Close Socket Output Stream");
			Thread t = Thread.currentThread();
			t.setPriority(Thread.MAX_PRIORITY);
			WPISocket.closeOutputStream();
		}

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Avatar of Mick Barry
Mick Barry
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do a thread dump and check what it is waiting on

Avatar of dolphin_g
dolphin_g

ASKER


I just tried this, even this app is waiting.

Thread.dumpStack();

Thanks,
Raja
Avatar of Mick Barry
Mick Barry
Flag of Australia image
no, I mean dump *all* threads. It sounds like you have a deadloack so you need to see what thread is holding the lock

Avatar of dolphin_g
dolphin_g

ASKER

Thread Group: system : max priority:10, demon:false

    Thread: Reference Handler : priority:10, demon:true, threadId:2, threadState:WAITING

        - waiting on <0x165e4fc> (a java.lang.ref.Reference$Lock)
        java.lang.Object.wait(Native Method)
        java.lang.Object.wait(Object.java:474)
        java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)

    Thread: Finalizer : priority:8, demon:true, threadId:3, threadState:WAITING

        - waiting on <0x9c79d4> (a java.lang.ref.ReferenceQueue$Lock)
        java.lang.Object.wait(Native Method)
        java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:120)
        java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:136)
        java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)

    Thread: Signal Dispatcher : priority:9, demon:true, threadId:7, threadState:RUNNABLE
    Thread: RMI TCP Accept-1098 : priority:5, demon:true, threadId:18, threadState:RUNNABLE

        java.net.PlainSocketImpl.socketAccept(Native Method)
        java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
        java.net.ServerSocket.implAccept(ServerSocket.java:450)
        java.net.ServerSocket.accept(ServerSocket.java:421)
        sun.rmi.transport.tcp.TCPTransport.run(TCPTransport.java:340)
        java.lang.Thread.run(Thread.java:595)

    Thread: RMI Reaper : priority:5, demon:false, threadId:20, threadState:WAITING

        - waiting on <0x10276a4> (a java.lang.ref.ReferenceQueue$Lock)
        java.lang.Object.wait(Native Method)
        java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:120)
        java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:136)
        sun.rmi.transport.ObjectTable$Reaper.run(ObjectTable.java:336)
        java.lang.Thread.run(Thread.java:595)

    Thread: GC Daemon : priority:2, demon:true, threadId:21, threadState:TIMED_WAITING

        - waiting on <0xbb3288> (a sun.misc.GC$LatencyLock)
        java.lang.Object.wait(Native Method)
        sun.misc.GC$Daemon.run(GC.java:100)

    Thread: RMI LeaseChecker : priority:5, demon:true, threadId:25, threadState:TIMED_WAITING

        java.lang.Thread.sleep(Native Method)
        sun.rmi.transport.DGCImpl$LeaseChecker.run(DGCImpl.java:310)
        java.lang.Thread.run(Thread.java:595)

    Thread: RMI TCP Accept-1090 : priority:5, demon:true, threadId:32, threadState:RUNNABLE

        java.net.PlainSocketImpl.socketAccept(Native Method)
        java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
        java.net.ServerSocket.implAccept(ServerSocket.java:450)
        java.net.ServerSocket.accept(ServerSocket.java:421)
        sun.rmi.transport.tcp.TCPTransport.run(TCPTransport.java:340)
        java.lang.Thread.run(Thread.java:595)

    Thread: RMI TCP Accept-0 : priority:5, demon:true, threadId:33, threadState:RUNNABLE

        java.net.PlainSocketImpl.socketAccept(Native Method)
        java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
        java.net.ServerSocket.implAccept(ServerSocket.java:450)
        java.net.ServerSocket.accept(ServerSocket.java:421)
        sun.rmi.transport.tcp.TCPTransport.run(TCPTransport.java:340)
        java.lang.Thread.run(Thread.java:595)

    Thread: RMI RenewClean-[localhost:3139] : priority:5, demon:true, threadId:35, threadState:TIMED_WAITING

        - waiting on <0x1f2bca4> (a java.lang.ref.ReferenceQueue$Lock)
        java.lang.Object.wait(Native Method)
        java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:120)
        sun.rmi.transport.DGCClient$EndpointEntry$RenewCleanThread.run(DGCClient.java:501)
        java.lang.Thread.run(Thread.java:595)

    Thread: RMI TCP Accept-4444 : priority:5, demon:true, threadId:76, threadState:RUNNABLE

        java.net.PlainSocketImpl.socketAccept(Native Method)
        java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
        java.net.ServerSocket.implAccept(ServerSocket.java:450)
        java.net.ServerSocket.accept(ServerSocket.java:421)
        sun.rmi.transport.tcp.TCPTransport.run(TCPTransport.java:340)
        java.lang.Thread.run(Thread.java:595)

    Thread: RMI RenewClean-[localhost:1098] : priority:5, demon:true, threadId:116, threadState:TIMED_WAITING

        - waiting on <0x13ed8e9> (a java.lang.ref.ReferenceQueue$Lock)
        java.lang.Object.wait(Native Method)
        java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:120)
        sun.rmi.transport.DGCClient$EndpointEntry$RenewCleanThread.run(DGCClient.java:501)
        java.lang.Thread.run(Thread.java:595)


    Thread Group: main : max priority:10, demon:false

        Thread: DestroyJavaVM : priority:5, demon:false, threadId:11, threadState:RUNNABLE

        Thread Group: jboss : max priority:10, demon:false

            Thread: Timer-0 : priority:5, demon:true, threadId:13, threadState:TIMED_WAITING

                - waiting on <0x9c4164> (a java.util.TaskQueue)
                java.lang.Object.wait(Native Method)
                java.util.TimerThread.mainLoop(Timer.java:509)
                java.util.TimerThread.run(Timer.java:462)

            Thread: Timer-Log4jService : priority:5, demon:true, threadId:16, threadState:TIMED_WAITING

                - waiting on <0x8938a8> (a java.util.TaskQueue)
                java.lang.Object.wait(Native Method)
                java.util.TimerThread.mainLoop(Timer.java:509)
                java.util.TimerThread.run(Timer.java:462)

            Thread: Timer-1 : priority:5, demon:true, threadId:19, threadState:WAITING

                - waiting on <0xe6b46f> (a java.util.TaskQueue)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                java.util.TimerThread.mainLoop(Timer.java:483)
                java.util.TimerThread.run(Timer.java:462)

            Thread: SubscriptionWatchDog : priority:5, demon:false, threadId:26, threadState:TIMED_WAITING

                java.lang.Thread.sleep(Native Method)
                org.jboss.ws.extensions.eventing.mgmt.SubscriptionManager$WatchDog.run(SubscriptionManager.java:651)
                java.lang.Thread.run(Thread.java:595)

            Thread: ServerSocketRefresh : priority:5, demon:true, threadId:39, threadState:WAITING

                - waiting on <0x501729> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                org.jboss.remoting.transport.socket.SocketServerInvoker$ServerSocketRefresh.run(SocketServerInvoker.java:827)

            Thread: AcceptorThread[ServerSocket[addr=localhost/127.0.0.1,port=0,localport=4457]] : priority:5, demon:false, threadId:40, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                org.jboss.remoting.util.SecurityUtility.accept(SecurityUtility.java:931)
                org.jboss.remoting.transport.socket.SocketServerInvoker$AcceptThread.run(SocketServerInvoker.java:1003)

            Thread: secondaryServerSocketThread[0] : priority:5, demon:true, threadId:41, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                org.jboss.remoting.transport.bisocket.BisocketServerInvoker$SecondaryServerSocketThread$1.run(BisocketServerInvoker.java:1110)
                java.security.AccessController.doPrivileged(Native Method)
                org.jboss.remoting.transport.bisocket.BisocketServerInvoker$SecondaryServerSocketThread.run(BisocketServerInvoker.java:1106)

            Thread: ServerSocketRefresh : priority:5, demon:true, threadId:42, threadState:WAITING

                - waiting on <0x20b939> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                org.jboss.remoting.transport.socket.SocketServerInvoker$ServerSocketRefresh.run(SocketServerInvoker.java:827)

            Thread: AcceptorThread[ServerSocket[addr=localhost/127.0.0.1,port=0,localport=5400]] : priority:5, demon:false, threadId:43, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                org.jboss.remoting.util.SecurityUtility.accept(SecurityUtility.java:931)
                org.jboss.remoting.transport.socket.SocketServerInvoker$AcceptThread.run(SocketServerInvoker.java:1003)

            Thread: Remoting Detector - Failure Detector Thread: 460 : priority:5, demon:false, threadId:45, threadState:TIMED_WAITING

                - waiting on <0x605781> (a java.util.TaskQueue)
                java.lang.Object.wait(Native Method)
                java.util.TimerThread.mainLoop(Timer.java:509)
                java.util.TimerThread.run(Timer.java:462)

            Thread: Remoting Detector - Heartbeat Thread: 695 : priority:5, demon:false, threadId:46, threadState:TIMED_WAITING

                - waiting on <0x1110fca> (a java.util.TaskQueue)
                java.lang.Object.wait(Native Method)
                java.util.TimerThread.mainLoop(Timer.java:509)
                java.util.TimerThread.run(Timer.java:462)

            Thread: Remoting Multicast Detector - Listener Thread: 0 : priority:5, demon:false, threadId:44, threadState:RUNNABLE

                java.net.PlainDatagramSocketImpl.receive0(Native Method)
                java.net.PlainDatagramSocketImpl.receive(PlainDatagramSocketImpl.java:136)
                java.net.DatagramSocket.receive(DatagramSocket.java:712)
                org.jboss.remoting.detection.multicast.MulticastDetector.listen(MulticastDetector.java:301)
                org.jboss.remoting.detection.multicast.MulticastDetector.access$200(MulticastDetector.java:51)
                org.jboss.remoting.detection.multicast.MulticastDetector$Listener.run(MulticastDetector.java:356)

            Thread: ServerSocketRefresh : priority:5, demon:true, threadId:51, threadState:WAITING

                - waiting on <0x123ba32> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                org.jboss.remoting.transport.socket.SocketServerInvoker$ServerSocketRefresh.run(SocketServerInvoker.java:827)

            Thread: AcceptorThread[ServerSocket[addr=/127.0.0.1,port=0,localport=3873]] : priority:5, demon:false, threadId:52, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                org.jboss.remoting.util.SecurityUtility.accept(SecurityUtility.java:931)
                org.jboss.remoting.transport.socket.SocketServerInvoker$AcceptThread.run(SocketServerInvoker.java:1003)

            Thread: HDScanner : priority:5, demon:false, threadId:53, threadState:TIMED_WAITING

                sun.misc.Unsafe.park(Native Method)
                java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:146)
                java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1879)
                java.util.concurrent.DelayQueue.take(DelayQueue.java:135)
                java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:504)
                java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:497)
                java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
                java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                java.lang.Thread.run(Thread.java:595)

            Thread: ServerSocketRefresh : priority:5, demon:true, threadId:55, threadState:WAITING

                - waiting on <0x955b77> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                org.jboss.remoting.transport.socket.SocketServerInvoker$ServerSocketRefresh.run(SocketServerInvoker.java:827)

            Thread: AcceptorThread[ServerSocket[addr=localhost/127.0.0.1,port=0,localport=4446]] : priority:5, demon:false, threadId:56, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                org.jboss.remoting.util.SecurityUtility.accept(SecurityUtility.java:931)
                org.jboss.remoting.transport.socket.SocketServerInvoker$AcceptThread.run(SocketServerInvoker.java:1003)

            Thread: Listener:4713 : priority:5, demon:true, threadId:62, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                com.arjuna.ats.internal.arjuna.recovery.Listener.run(Listener.java:119)

            Thread: Thread-13 : priority:5, demon:true, threadId:64, threadState:TIMED_WAITING

                - waiting on <0x1a801ba> (a com.arjuna.ats.arjuna.coordinator.TransactionReaper)
                java.lang.Object.wait(Native Method)
                com.arjuna.ats.internal.arjuna.coordinator.ReaperThread.run(ReaperThread.java:98)

            Thread: Thread-14 : priority:5, demon:true, threadId:65, threadState:WAITING

                - waiting on <0x1097afc> (a java.util.LinkedList)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                com.arjuna.ats.arjuna.coordinator.TransactionReaper.waitForCancellations(TransactionReaper.java:513)
                com.arjuna.ats.internal.arjuna.coordinator.ReaperWorkerThread.run(ReaperWorkerThread.java:74)

            Thread: Thread-15 : priority:5, demon:true, threadId:66, threadState:TIMED_WAITING

                java.lang.Thread.sleep(Native Method)
                com.arjuna.ats.internal.arjuna.recovery.ExpiredEntryMonitor.run(ExpiredEntryMonitor.java:237)

            Thread: Listener:4712 : priority:5, demon:true, threadId:70, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                com.arjuna.ats.internal.arjuna.recovery.Listener.run(Listener.java:119)

            Thread: Thread-16 : priority:5, demon:false, threadId:67, threadState:TIMED_WAITING

                - waiting on <0x1694e84> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                com.arjuna.ats.internal.arjuna.recovery.PeriodicRecovery.doPeriodicWait(PeriodicRecovery.java:664)
                com.arjuna.ats.internal.arjuna.recovery.PeriodicRecovery.run(PeriodicRecovery.java:423)

            Thread: PooledInvokerAcceptor#0-4445 : priority:5, demon:false, threadId:75, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                org.jboss.invocation.pooled.server.PooledInvoker.run(PooledInvoker.java:262)
                java.lang.Thread.run(Thread.java:595)

            Thread: ContainerBackgroundProcessor[StandardEngine[jboss.web]] : priority:5, demon:true, threadId:83, threadState:TIMED_WAITING

                java.lang.Thread.sleep(Native Method)
                org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
                java.lang.Thread.run(Thread.java:595)

            Thread: AOPListner : priority:5, demon:true, threadId:96, threadState:TIMED_WAITING

                java.lang.Thread.sleep(Native Method)
                org.jboss.console.plugins.AOPLister$RefreshPoller.run(AOPLister.java:898)

            Thread: DefaultQuartzScheduler_Worker-0 : priority:5, demon:false, threadId:103, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: DefaultQuartzScheduler_Worker-1 : priority:5, demon:false, threadId:104, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: DefaultQuartzScheduler_Worker-2 : priority:5, demon:false, threadId:105, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: DefaultQuartzScheduler_Worker-3 : priority:5, demon:false, threadId:106, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: DefaultQuartzScheduler_Worker-4 : priority:5, demon:false, threadId:107, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: DefaultQuartzScheduler_Worker-5 : priority:5, demon:false, threadId:108, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: DefaultQuartzScheduler_Worker-6 : priority:5, demon:false, threadId:109, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: DefaultQuartzScheduler_Worker-7 : priority:5, demon:false, threadId:110, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: DefaultQuartzScheduler_Worker-8 : priority:5, demon:false, threadId:111, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: DefaultQuartzScheduler_Worker-9 : priority:5, demon:false, threadId:112, threadState:TIMED_WAITING

                - waiting on <0xa1c81e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                org.quartz.simpl.SimpleThreadPool.getNextRunnable(SimpleThreadPool.java:428)
                org.quartz.simpl.SimpleThreadPool.access$000(SimpleThreadPool.java:47)
                org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:518)

            Thread: HSQLDB Timer @1549285 : priority:5, demon:true, threadId:114, threadState:TIMED_WAITING

                - waiting on <0x1592aeb> (a org.hsqldb.lib.HsqlTimer$TaskQueue)
                java.lang.Object.wait(Native Method)
                org.hsqldb.lib.HsqlTimer$TaskQueue.park(Unknown Source)
                org.hsqldb.lib.HsqlTimer.nextTask(Unknown Source)
                org.hsqldb.lib.HsqlTimer$TaskRunner.run(Unknown Source)
                java.lang.Thread.run(Thread.java:595)

            Thread: JCA PoolFiller : priority:5, demon:false, threadId:115, threadState:WAITING

                - waiting on <0x110d0f2> (a java.util.LinkedList)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                org.jboss.resource.connectionmanager.PoolFiller.run(PoolFiller.java:87)
                java.lang.Thread.run(Thread.java:595)

            Thread: Thread-19 : priority:5, demon:true, threadId:119, threadState:TIMED_WAITING

                java.lang.Thread.sleep(Native Method)
                org.jboss.messaging.core.impl.memory.SimpleMemoryManager$MemoryRunnable.run(SimpleMemoryManager.java:126)
                java.lang.Thread.run(Thread.java:595)

            Thread: JBossLifeThread : priority:5, demon:false, threadId:122, threadState:WAITING

                - waiting on <0x105e65e> (a java.lang.Object)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                org.jboss.bootstrap.AbstractServerImpl$LifeThread.run(AbstractServerImpl.java:789)

            Thread: http-localhost%2F127.0.0.1-8080-Acceptor-0 : priority:5, demon:true, threadId:123, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:61)
                org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:310)
                java.lang.Thread.run(Thread.java:595)

            Thread: ajp-localhost%2F127.0.0.1-8009-Acceptor-0 : priority:5, demon:true, threadId:124, threadState:RUNNABLE

                java.net.PlainSocketImpl.socketAccept(Native Method)
                java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                java.net.ServerSocket.implAccept(ServerSocket.java:450)
                java.net.ServerSocket.accept(ServerSocket.java:421)
                org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:61)
                org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:310)
                java.lang.Thread.run(Thread.java:595)

            Thread: http-localhost%2F127.0.0.1-8080-1 : priority:5, demon:true, threadId:135, threadState:WAITING

                - waiting on <0x57449e> (a org.apache.tomcat.util.net.JIoEndpoint$Worker)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                org.apache.tomcat.util.net.JIoEndpoint$Worker.await(JIoEndpoint.java:416)
                org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:442)
                java.lang.Thread.run(Thread.java:595)

            Thread: ZipFile Lock Reaper : priority:5, demon:true, threadId:136, threadState:TIMED_WAITING

                - waiting on <0x15a0940> (a java.util.TaskQueue)
                java.lang.Object.wait(Native Method)
                java.util.TimerThread.mainLoop(Timer.java:509)
                java.util.TimerThread.run(Timer.java:462)

            Thread: http-localhost%2F127.0.0.1-8080-2 : priority:5, demon:true, threadId:139, threadState:RUNNABLE

                sun.management.ThreadImpl.getThreadInfo0(Native Method)
                sun.management.ThreadImpl.getThreadInfo(ThreadImpl.java:142)
                sun.management.ThreadImpl.getThreadInfo(ThreadImpl.java:120)
                org.jboss.system.server.ServerInfo.outputJdk5ThreadMXBeanInfo(ServerInfo.java:672)
                org.jboss.system.server.ServerInfo.getThreadGroupInfoWithoutLocks(ServerInfo.java:580)
                org.jboss.system.server.ServerInfo.getThreadGroupInfoWithoutLocks(ServerInfo.java:587)
                org.jboss.system.server.ServerInfo.getThreadGroupInfoWithoutLocks(ServerInfo.java:587)
                org.jboss.system.server.ServerInfo.getThreadGroupInfo(ServerInfo.java:551)
                org.jboss.system.server.ServerInfo.listThreadDump(ServerInfo.java:449)
                sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
                sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
                sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
                java.lang.reflect.Method.invoke(Method.java:585)
                org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
                org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
                org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
                org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
                org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
                org.jboss.jmx.adaptor.control.Server.invokeOpByName(Server.java:258)
                org.jboss.jmx.adaptor.control.Server.invokeOp(Server.java:223)
                org.jboss.jmx.adaptor.html.HtmlAdaptorServlet$3.run(HtmlAdaptorServlet.java:380)
                org.jboss.jmx.adaptor.html.HtmlAdaptorServlet$3.run(HtmlAdaptorServlet.java:378)
                java.security.AccessController.doPrivileged(Native Method)
                org.jboss.jmx.adaptor.html.HtmlAdaptorServlet.invokeOp(HtmlAdaptorServlet.java:376)
                org.jboss.jmx.adaptor.html.HtmlAdaptorServlet.invokeOp(HtmlAdaptorServlet.java:287)
                org.jboss.jmx.adaptor.html.HtmlAdaptorServlet.processRequest(HtmlAdaptorServlet.java:104)
                org.jboss.jmx.adaptor.html.HtmlAdaptorServlet.doPost(HtmlAdaptorServlet.java:86)
                javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
                javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
                org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
                org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
                org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
                org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
                org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
                org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
                org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
                org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
                org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
                org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
                org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
                org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
                org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
                org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
                org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
                org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
                java.lang.Thread.run(Thread.java:595)

            Thread: WorkerThread#0[127.0.0.1:3307] : priority:5, demon:false, threadId:140, threadState:WAITING

                - waiting on <0x1fa3d95> (a org.jboss.remoting.transport.socket.ServerThread)
                java.lang.Object.wait(Native Method)
                java.lang.Object.wait(Object.java:474)
                org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:282)

            Thread: Timer-4 : priority:5, demon:true, threadId:143, threadState:TIMED_WAITING

                - waiting on <0x156b4b> (a java.util.TaskQueue)
                java.lang.Object.wait(Native Method)
                java.util.TimerThread.mainLoop(Timer.java:509)
                java.util.TimerThread.run(Timer.java:462)

            Thread: Read Socket : priority:5, demon:false, threadId:146, threadState:TIMED_WAITING

                java.lang.Thread.sleep(Native Method)
                com.tss.wireless.wpi.DDSSocketRead.readFromSocket(DDSSocketRead.java:122)
                com.tss.wireless.wpi.DDSSocketRead.run(DDSSocketRead.java:101)
                java.lang.Thread.run(Thread.java:595)

            Thread: WorkerThread#1[127.0.0.1:3312] : priority:5, demon:false, threadId:149, threadState:RUNNABLE

                java.net.SocketInputStream.socketRead0(Native Method)
                java.net.SocketInputStream.read(SocketInputStream.java:129)
                java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
                java.io.BufferedInputStream.read(BufferedInputStream.java:235)
                java.io.FilterInputStream.read(FilterInputStream.java:66)
                org.jboss.remoting.transport.socket.ServerThread.readVersion(ServerThread.java:1030)
                org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:671)
                org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:549)
                org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:230)

            Thread: WorkerThread#2[127.0.0.1:3313] : priority:5, demon:false, threadId:150, threadState:RUNNABLE

                java.net.SocketInputStream.socketRead0(Native Method)
                java.net.SocketInputStream.read(SocketInputStream.java:129)
                java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
                java.io.BufferedInputStream.read(BufferedInputStream.java:235)
                java.io.FilterInputStream.read(FilterInputStream.java:66)
                org.jboss.remoting.transport.socket.ServerThread.readVersion(ServerThread.java:1030)
                org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:671)
                org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:549)
                org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:230)

            Thread: Timer-5 : priority:5, demon:true, threadId:151, threadState:TIMED_WAITING

                - waiting on <0x372ff3> (a java.util.TaskQueue)
                java.lang.Object.wait(Native Method)
                java.util.TimerThread.mainLoop(Timer.java:509)
                java.util.TimerThread.run(Timer.java:462)

            Thread: Timer-6 : priority:5, demon:true, threadId:152, threadState:TIMED_WAITING

                - waiting on <0x12d03dc> (a java.util.TaskQueue)
                java.lang.Object.wait(Native Method)
                java.util.TimerThread.mainLoop(Timer.java:509)
                java.util.TimerThread.run(Timer.java:462)

            Thread: WorkerThread#3[127.0.0.1:3317] : priority:5, demon:false, threadId:154, threadState:RUNNABLE

                java.net.SocketInputStream.socketRead0(Native Method)
                java.net.SocketInputStream.read(SocketInputStream.java:129)
                java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
                java.io.BufferedInputStream.read(BufferedInputStream.java:235)
                java.io.FilterInputStream.read(FilterInputStream.java:66)
                org.jboss.remoting.transport.socket.ServerThread.readVersion(ServerThread.java:1030)
                org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:671)
                org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:549)
                org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:230)

            Thread: WorkerThread#4[127.0.0.1:3318] : priority:5, demon:false, threadId:155, threadState:RUNNABLE

                java.net.SocketInputStream.socketRead0(Native Method)
                java.net.SocketInputStream.read(SocketInputStream.java:129)
                java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
                java.io.BufferedInputStream.read(BufferedInputStream.java:235)
                java.io.FilterInputStream.read(FilterInputStream.java:66)
                org.jboss.remoting.transport.socket.ServerThread.readVersion(ServerThread.java:1030)
                org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:671)
                org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:549)
                org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:230)


            Thread Group: JBoss Pooled Threads : max priority:10, demon:false

                Thread: WorkManager(2)-1 : priority:5, demon:true, threadId:101, threadState:WAITING

                    sun.misc.Unsafe.park(Native Method)
                    java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
                    java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1841)
                    java.util.concurrent.PriorityBlockingQueue.take(PriorityBlockingQueue.java:200)
                    org.jboss.resource.adapter.mail.inflow.NewMsgsWorker.run(NewMsgsWorker.java:76)
                    org.jboss.resource.work.WorkWrapper.execute(WorkWrapper.java:213)
                    org.jboss.util.threadpool.BasicTaskWrapper.run(BasicTaskWrapper.java:260)
                    java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
                    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
                    java.lang.Thread.run(Thread.java:595)


                Thread Group: System Threads : max priority:10, demon:false

                    Thread: JBoss System Threads(1)-1 : priority:5, demon:true, threadId:17, threadState:RUNNABLE

                        java.net.PlainSocketImpl.socketAccept(Native Method)
                        java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                        java.net.ServerSocket.implAccept(ServerSocket.java:450)
                        java.net.ServerSocket.accept(ServerSocket.java:421)
                        org.jboss.web.WebServer.run(WebServer.java:320)
                        org.jboss.util.threadpool.RunnableTaskWrapper.run(RunnableTaskWrapper.java:147)
                        java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
                        java.lang.Thread.run(Thread.java:595)

                    Thread: JBoss System Threads(1)-2 : priority:5, demon:true, threadId:22, threadState:RUNNABLE

                        java.net.PlainSocketImpl.socketAccept(Native Method)
                        java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
                        java.net.ServerSocket.implAccept(ServerSocket.java:450)
                        java.net.ServerSocket.accept(ServerSocket.java:421)
                        org.jnp.server.Main$AcceptHandler.run(Main.java:554)
                        org.jboss.util.threadpool.RunnableTaskWrapper.run(RunnableTaskWrapper.java:147)
                        java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
                        java.lang.Thread.run(Thread.java:595)

                    Thread: JBoss System Threads(1)-3 : priority:5, demon:true, threadId:23, threadState:WAITING

                        sun.misc.Unsafe.park(Native Method)
                        java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
                        java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1841)
                        java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:359)
                        java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                        java.lang.Thread.run(Thread.java:595)

                    Thread: JBoss System Threads(1)-4 : priority:5, demon:true, threadId:27, threadState:WAITING

                        sun.misc.Unsafe.park(Native Method)
                        java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
                        java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1841)
                        java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:359)
                        java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                        java.lang.Thread.run(Thread.java:595)

                    Thread: JBoss System Threads(1)-5 : priority:5, demon:true, threadId:47, threadState:WAITING

                        sun.misc.Unsafe.park(Native Method)
                        java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
                        java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1841)
                        java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:359)
                        java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                        java.lang.Thread.run(Thread.java:595)

                    Thread: JBoss System Threads(1)-6 : priority:5, demon:true, threadId:57, threadState:WAITING

                        sun.misc.Unsafe.park(Native Method)
                        java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
                        java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1841)
                        java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:359)
                        java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                        java.lang.Thread.run(Thread.java:595)

                    Thread: JBoss System Threads(1)-7 : priority:5, demon:true, threadId:71, threadState:WAITING

                        sun.misc.Unsafe.park(Native Method)
                        java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
                        java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1841)
                        java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:359)
                        java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                        java.lang.Thread.run(Thread.java:595)

                    Thread: JBoss System Threads(1)-8 : priority:5, demon:true, threadId:84, threadState:WAITING

                        sun.misc.Unsafe.park(Native Method)
                        java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
                        java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1841)
                        java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:359)
                        java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                        java.lang.Thread.run(Thread.java:595)

                    Thread: JBoss System Threads(1)-9 : priority:5, demon:true, threadId:91, threadState:WAITING

                        sun.misc.Unsafe.park(Native Method)
                        java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
                        java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1841)
                        java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:359)
                        java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                        java.lang.Thread.run(Thread.java:595)

                    Thread: JBoss System Threads(1)-10 : priority:5, demon:true, threadId:97, threadState:WAITING

                        sun.misc.Unsafe.park(Native Method)
                        java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
                        java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1841)
                        java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:359)
                        java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
                        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                        java.lang.Thread.run(Thread.java:595)


            Thread Group: QuartzScheduler:DefaultQuartzScheduler : max priority:10, demon:false

                Thread: DefaultQuartzScheduler_QuartzSchedulerThread : priority:5, demon:false, threadId:113, threadState:TIMED_WAITING

                    java.lang.Thread.sleep(Native Method)
                    org.quartz.core.QuartzSchedulerThread.run(QuartzSchedulerThread.java:394)


            Thread Group: conn-factory-jndi-mapper : max priority:10, demon:false


            Thread Group: msg-post-office : max priority:10, demon:false


            Thread Group: server-session-endpoint : max priority:10, demon:false

                Thread: Thread-27 : priority:5, demon:true, threadId:144, threadState:TIMED_WAITING

                    sun.misc.Unsafe.park(Native Method)
                    java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:146)
                    java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireNanos(AbstractQueuedSynchronizer.java:807)
                    java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireNanos(AbstractQueuedSynchronizer.java:1122)
                    java.util.concurrent.SynchronousQueue$Node.waitForPut(SynchronousQueue.java:291)
                    java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:443)
                    java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:475)
                    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                    java.lang.Thread.run(Thread.java:595)


            Thread Group: session-state : max priority:10, demon:false

                Thread: Thread-28 : priority:5, demon:true, threadId:145, threadState:TIMED_WAITING

                    sun.misc.Unsafe.park(Native Method)
                    java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:146)
                    java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireNanos(AbstractQueuedSynchronizer.java:807)
                    java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireNanos(AbstractQueuedSynchronizer.java:1122)
                    java.util.concurrent.SynchronousQueue$Node.waitForPut(SynchronousQueue.java:291)
                    java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:443)
                    java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:475)
                    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                    java.lang.Thread.run(Thread.java:595)

                Thread: Thread-30 : priority:5, demon:true, threadId:147, threadState:TIMED_WAITING

                    sun.misc.Unsafe.park(Native Method)
                    java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:146)
                    java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireNanos(AbstractQueuedSynchronizer.java:807)
                    java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireNanos(AbstractQueuedSynchronizer.java:1122)
                    java.util.concurrent.SynchronousQueue$Node.waitForPut(SynchronousQueue.java:291)
                    java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:443)
                    java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:475)
                    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674)
                    java.lang.Thread.run(Thread.java:595)


    Thread Group: RMI Runtime : max priority:10, demon:false

        Thread: RMI TCP Connection(33)-127.0.0.1 : priority:5, demon:true, threadId:148, threadState:RUNNABLE

            java.net.SocketInputStream.socketRead0(Native Method)
            java.net.SocketInputStream.read(SocketInputStream.java:129)
            java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
            java.io.BufferedInputStream.read(BufferedInputStream.java:235)
            java.io.FilterInputStream.read(FilterInputStream.java:66)
            sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:448)
            sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:707)
            java.lang.Thread.run(Thread.java:595)

        Thread: RMI TCP Connection(34)-127.0.0.1 : priority:5, demon:true, threadId:153, threadState:RUNNABLE

            java.net.SocketInputStream.socketRead0(Native Method)
            java.net.SocketInputStream.read(SocketInputStream.java:129)
            java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
            java.io.BufferedInputStream.read(BufferedInputStream.java:235)
            java.io.FilterInputStream.read(FilterInputStream.java:66)
            sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:448)
            sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:707)
            java.lang.Thread.run(Thread.java:595)


Avatar of dolphin_g
dolphin_g

ASKER

I tried debugging the above dump, the thread I'm concerned about is in sleep,  I dont see the other threads here, or not enough info to interpret
the dump.
Avatar of Mick Barry
Mick Barry
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why is it sleeping? Which thread is it

Avatar of dolphin_g
dolphin_g

ASKER

Found the problem, I was invoking the wrong module from my ant script.

thank you,
Raja
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Mick Barry
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Avatar of dolphin_g
dolphin_g

ASKER

No, I was trying to invoke the clients from a JBoss remoting client, and invoking them from my Ant script. My ant script targets were pointing to the wrong class all the time.