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WebObjects application instances hanging - Deadlocks occurring
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WebObjects application instances hanging - Deadlocks occurring

  • Subject: WebObjects application instances hanging - Deadlocks occurring
  • From: Raghavender Bokka <email@hidden>
  • Date: Mon, 17 Nov 2014 18:03:32 +0530
Hi Team,

Some of our WebObjects application instances are hanging when some user load (around 1000 users) are testing, when we look into the java process thread dump there are deadlocks occurring. The following is the thread dump: 

-----------------------------------------------------------------------
Full thread dump Java HotSpot(TM) Server VM (14.3-b01 mixed mode):

"Attach Listener" daemon prio=3 tid=0x0025bc00 nid=0x5c waiting on condition [0x00000000]
   java.lang.Thread.State: RUNNABLE

"WorkerThread63" prio=3 tid=0x00db7000 nid=0x5a waiting for monitor entry [0xd22ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread62" prio=3 tid=0x00db5800 nid=0x59 waiting for monitor entry [0xd23ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread61" prio=3 tid=0x00336000 nid=0x58 waiting for monitor entry [0xd24ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread60" prio=3 tid=0x00334800 nid=0x57 waiting for monitor entry [0xd25ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread59" prio=3 tid=0x00333000 nid=0x56 waiting for monitor entry [0xd26ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread58" prio=3 tid=0x00331800 nid=0x55 waiting for monitor entry [0xd27ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread57" prio=3 tid=0x00330000 nid=0x54 waiting for monitor entry [0xd28ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread56" prio=3 tid=0x0032ec00 nid=0x53 waiting for monitor entry [0xd29ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread55" prio=3 tid=0x00808000 nid=0x52 waiting for monitor entry [0xd2aff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread54" prio=3 tid=0x00806800 nid=0x51 waiting for monitor entry [0xd2bff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread53" prio=3 tid=0x00805000 nid=0x50 waiting for monitor entry [0xd2cff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread52" prio=3 tid=0x00803800 nid=0x4f waiting for monitor entry [0xd2dff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread51" prio=3 tid=0x00802000 nid=0x4e waiting for monitor entry [0xd2eff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread50" prio=3 tid=0x009c5800 nid=0x4d waiting for monitor entry [0xd2fff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread49" prio=3 tid=0x009c4000 nid=0x4c waiting for monitor entry [0xd30ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread48" prio=3 tid=0x009c2800 nid=0x4b waiting for monitor entry [0xd31ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread47" prio=3 tid=0x009c1000 nid=0x4a waiting for monitor entry [0xd32ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread46" prio=3 tid=0x009bf800 nid=0x49 waiting for monitor entry [0xd33ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread45" prio=3 tid=0x008cf400 nid=0x48 waiting for monitor entry [0xd34ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread44" prio=3 tid=0x008cdc00 nid=0x47 waiting for monitor entry [0xd35ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread43" prio=3 tid=0x008cc400 nid=0x46 waiting for monitor entry [0xd36ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread42" prio=3 tid=0x008cac00 nid=0x45 waiting for monitor entry [0xd37ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread41" prio=3 tid=0x008c9400 nid=0x44 waiting for monitor entry [0xd38ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread40" prio=3 tid=0x00dca400 nid=0x43 runnable [0xd39ff000]
   java.lang.Thread.State: RUNNABLE
        at java.net.PlainSocketImpl.socketAccept(Native Method)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390)
        - locked <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread39" prio=3 tid=0x00dc8c00 nid=0x42 waiting for monitor entry [0xd3aff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread38" prio=3 tid=0x00dc7400 nid=0x41 waiting for monitor entry [0xd3bff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread37" prio=3 tid=0x00dc5c00 nid=0x40 waiting for monitor entry [0xd3cff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread36" prio=3 tid=0x00e11000 nid=0x3f waiting for monitor entry [0xd3dff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread35" prio=3 tid=0x00e0f800 nid=0x3e waiting for monitor entry [0xd3eff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread34" prio=3 tid=0x00e0e800 nid=0x3d waiting for monitor entry [0xd3fff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread33" prio=3 tid=0x00e0dc00 nid=0x3c waiting for monitor entry [0xd40ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread32" prio=3 tid=0x00e0d800 nid=0x3b waiting for monitor entry [0xd41ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread31" prio=3 tid=0x0081b800 nid=0x38 waiting for monitor entry [0xd42ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread30" prio=3 tid=0x0081a000 nid=0x37 waiting for monitor entry [0xd43ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread29" prio=3 tid=0x0036f400 nid=0x36 waiting for monitor entry [0xd44ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread28" prio=3 tid=0x0036dc00 nid=0x35 waiting for monitor entry [0xd45ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread27" prio=3 tid=0x0036c400 nid=0x34 waiting for monitor entry [0xd46ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread26" prio=3 tid=0x0036a400 nid=0x33 waiting for monitor entry [0xd47ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread25" prio=3 tid=0x00369000 nid=0x32 waiting for monitor entry [0xd48ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.ajax.AjaxRequestHandler.handleRequest(AjaxRequestHandler.java:17)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread24" prio=3 tid=0x00e42800 nid=0x31 waiting on condition [0xd49fe000]
   java.lang.Thread.State: WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0xdc3837c8> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:747)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:778)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1114)
        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:186)
        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:262)
        at com.webobjects.eocontrol.EOEditingContext.lock(EOEditingContext.java:4617)
        at er.extensions.eof.ERXEC.lock(ERXEC.java:480)
        at com.webobjects.appserver.WOSession._awakeInContext(WOSession.java:835)
        at com.webobjects.appserver.WOApplication.restoreSessionWithID(WOApplication.java:1917)
        at er.extensions.appserver.ERXApplication.restoreSessionWithID(ERXApplication.java:2093)
        at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:324)
        at com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369)
        at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442)
        - locked <0xdbc631d0> (a java.lang.Object)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:670)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread23" prio=3 tid=0x00e41400 nid=0x30 waiting for monitor entry [0xd4aff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread22" prio=3 tid=0x00e3fc00 nid=0x2f waiting for monitor entry [0xd4bff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread21" prio=3 tid=0x00e3e400 nid=0x2e waiting for monitor entry [0xd4cff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread20" prio=3 tid=0x01032000 nid=0x2d waiting for monitor entry [0xd4dff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread19" prio=3 tid=0x01030800 nid=0x2c waiting for monitor entry [0xd4eff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread18" prio=3 tid=0x0103f000 nid=0x2b waiting for monitor entry [0xd4fff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread17" prio=3 tid=0x01023400 nid=0x2a waiting for monitor entry [0xd50ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread16" prio=3 tid=0x00745800 nid=0x29 waiting for monitor entry [0xd51ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread15" prio=3 tid=0x00f3f000 nid=0x28 waiting for monitor entry [0xd52ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread14" prio=3 tid=0x00f3d800 nid=0x27 waiting for monitor entry [0xd53ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread13" prio=3 tid=0x00f3c000 nid=0x26 waiting for monitor entry [0xd54ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread12" prio=3 tid=0x00985800 nid=0x25 waiting for monitor entry [0xd55ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread11" prio=3 tid=0x00984000 nid=0x24 waiting for monitor entry [0xd56ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread10" prio=3 tid=0x00952c00 nid=0x23 waiting for monitor entry [0xd57ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread9" prio=3 tid=0x00951400 nid=0x22 waiting for monitor entry [0xd58ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread8" prio=3 tid=0x00364000 nid=0x21 waiting for monitor entry [0xd59ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.ajax.AjaxRequestHandler.handleRequest(AjaxRequestHandler.java:17)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread7" prio=3 tid=0x00363400 nid=0x20 waiting for monitor entry [0xd5aff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread6" prio=3 tid=0x0076c400 nid=0x1f waiting for monitor entry [0xd5bff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread5" prio=3 tid=0x0076c000 nid=0x1e waiting for monitor entry [0xd5cff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:670)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread4" prio=3 tid=0x00775400 nid=0x1d waiting for monitor entry [0xd5dff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread3" prio=3 tid=0x00481000 nid=0x1c waiting for monitor entry [0xd5eff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread2" prio=3 tid=0x0024ec00 nid=0x1b waiting for monitor entry [0xd5fff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread1" prio=3 tid=0x00f43800 nid=0x1a waiting for monitor entry [0xd60ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"WorkerThread0" prio=3 tid=0x00779800 nid=0x19 waiting for monitor entry [0xd61ff000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388)
        - waiting to lock <0xdbc632d0> (a java.net.SocksSocketImpl)
        at java.net.ServerSocket.implAccept(ServerSocket.java:453)
        at java.net.ServerSocket.accept(ServerSocket.java:421)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:210)
        at java.lang.Thread.run(Thread.java:619)

"Session Timeout Thread" daemon prio=3 tid=0x00f96800 nid=0x18 waiting on condition [0xd62ff000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
        at java.lang.Thread.sleep(Native Method)
        at com.webobjects.appserver.WOSessionStore$_SessionTimeoutManager.run(WOSessionStore.java:98)
        at java.lang.Thread.run(Thread.java:619)

"Low Memory Detector" daemon prio=3 tid=0x001c0400 nid=0x16 runnable [0x00000000]
   java.lang.Thread.State: RUNNABLE

"CompilerThread1" daemon prio=3 tid=0x001bd800 nid=0x15 waiting on condition [0x00000000]
   java.lang.Thread.State: RUNNABLE

"CompilerThread0" daemon prio=3 tid=0x001ba800 nid=0x14 waiting on condition [0x00000000]
   java.lang.Thread.State: RUNNABLE

"Signal Dispatcher" daemon prio=3 tid=0x001b9000 nid=0x13 runnable [0x00000000]
   java.lang.Thread.State: RUNNABLE

"Finalizer" daemon prio=3 tid=0x001a4000 nid=0x12 in Object.wait() [0xd68ff000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0xdbeae8b0> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
        - locked <0xdbeae8b0> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)

"Reference Handler" daemon prio=3 tid=0x001a2800 nid=0x11 in Object.wait() [0xd69ff000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0xdbeae888> (a java.lang.ref.Reference$Lock)
        at java.lang.Object.wait(Object.java:485)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
        - locked <0xdbeae888> (a java.lang.ref.Reference$Lock)

"main" prio=3 tid=0x00030800 nid=0x2 in Object.wait() [0xfe37e000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0xdbc62fa0> (a com.webobjects.appserver._WORunLoop)
        at com.webobjects.appserver._WORunLoop._acceptInputBeforeDate(_WORunLoop.java:244)
        at com.webobjects.appserver._WORunLoop.runBeforeDate(_WORunLoop.java:95)
        - locked <0xdbc62fa0> (a com.webobjects.appserver._WORunLoop)
        at com.webobjects.appserver.WOApplication._runOnce(WOApplication.java:1095)
        at com.webobjects.appserver.WOApplication.run(WOApplication.java:1248)
        at er.extensions.appserver.ERXApplication.run(ERXApplication.java:1141)
        at com.webobjects.appserver.WOApplication.main(WOApplication.java:548)
        at er.extensions.appserver.ERXApplication.main(ERXApplication.java:632)
        at Application.main(Application.java:633)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.webobjects._bootstrap.WOBootstrap.main(WOBootstrap.java:87)

"VM Thread" prio=3 tid=0x0019ec00 nid=0x10 runnable 

"GC task thread#0 (ParallelGC)" prio=3 tid=0x00037000 nid=0x3 runnable 

"GC task thread#1 (ParallelGC)" prio=3 tid=0x00038800 nid=0x4 runnable 

"GC task thread#2 (ParallelGC)" prio=3 tid=0x00039c00 nid=0x5 runnable 

"GC task thread#3 (ParallelGC)" prio=3 tid=0x0003b000 nid=0x6 runnable 

"GC task thread#4 (ParallelGC)" prio=3 tid=0x0003c800 nid=0x7 runnable 

"GC task thread#5 (ParallelGC)" prio=3 tid=0x0003dc00 nid=0x8 runnable 

"GC task thread#6 (ParallelGC)" prio=3 tid=0x0003f000 nid=0x9 runnable 

"GC task thread#7 (ParallelGC)" prio=3 tid=0x00040400 nid=0xa runnable 

"GC task thread#8 (ParallelGC)" prio=3 tid=0x00041800 nid=0xb runnable 

"GC task thread#9 (ParallelGC)" prio=3 tid=0x00042c00 nid=0xc runnable 

"GC task thread#10 (ParallelGC)" prio=3 tid=0x00044000 nid=0xd runnable 

"GC task thread#11 (ParallelGC)" prio=3 tid=0x00045800 nid=0xe runnable 

"GC task thread#12 (ParallelGC)" prio=3 tid=0x00046c00 nid=0xf runnable 

"VM Periodic Task Thread" prio=3 tid=0x001c2000 nid=0x17 waiting on condition 

JNI global references: 1155


Found one Java-level deadlock:
=============================
"WorkerThread63":
  waiting to lock monitor 0x0097bfb8 (object 0xdbc631d0, a java.lang.Object),
  which is held by "WorkerThread24"
"WorkerThread24":
  waiting for ownable synchronizer 0xdc3837c8, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),
  which is held by "WorkerThread5"
"WorkerThread5":
  waiting to lock monitor 0x0097bfb8 (object 0xdbc631d0, a java.lang.Object),
  which is held by "WorkerThread24"

Java stack information for the threads listed above:
===================================================
"WorkerThread63":
        at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:158)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:123)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:653)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)
"WorkerThread24":
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0xdc3837c8> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:747)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:778)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1114)
        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:186)
        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:262)
        at com.webobjects.eocontrol.EOEditingContext.lock(EOEditingContext.java:4617)
        at er.extensions.eof.ERXEC.lock(ERXEC.java:480)
        at com.webobjects.appserver.WOSession._awakeInContext(WOSession.java:835)
        at com.webobjects.appserver.WOApplication.restoreSessionWithID(WOApplication.java:1917)
        at er.extensions.appserver.ERXApplication.restoreSessionWithID(ERXApplication.java:2093)
        at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:324)
        at com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369)
        at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442)
        - locked <0xdbc631d0> (a java.lang.Object)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:670)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)
"WorkerThread5":
        at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442)
        - waiting to lock <0xdbc631d0> (a java.lang.Object)
        at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
        at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1802)
        at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1767)
        at Application.dispatchRequest(Application.java:670)
        at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
        at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
        at java.lang.Thread.run(Thread.java:619)

Found 1 deadlock.
-----------------------------------------------------------------------

Any help would be appreciated.

Thanks,
Raghu.
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