Fixes are available
8.5.5.2: WebSphere Application Server V8.5.5 Fix Pack 2
8.5.5.3: WebSphere Application Server V8.5.5 Fix Pack 3
8.5.5.4: WebSphere Application Server V8.5.5 Fix Pack 4
8.5.5.5: WebSphere Application Server V8.5.5 Fix Pack 5
8.5.5.6: WebSphere Application Server V8.5.5 Fix Pack 6
8.5.5.7: WebSphere Application Server V8.5.5 Fix Pack 7
8.5.5.8: WebSphere Application Server V8.5.5 Fix Pack 8
8.5.5.9: WebSphere Application Server V8.5.5 Fix Pack 9
8.5.5.10: WebSphere Application Server V8.5.5 Fix Pack 10
8.5.5.11: WebSphere Application Server V8.5.5 Fix Pack 11
8.5.5.12: WebSphere Application Server V8.5.5 Fix Pack 12
8.5.5.13: WebSphere Application Server V8.5.5 Fix Pack 13
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
8.5.5.15: WebSphere Application Server V8.5.5 Fix Pack 15
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
8.5.5.17: WebSphere Application Server V8.5.5 Fix Pack 17
8.5.5.20: WebSphere Application Server V8.5.5.20
8.5.5.18: WebSphere Application Server V8.5.5 Fix Pack 18
8.5.5.19: WebSphere Application Server V8.5.5 Fix Pack 19
8.5.5.16: WebSphere Application Server V8.5.5 Fix Pack 16
8.5.5.21: WebSphere Application Server V8.5.5.21
APAR status
Closed as program error.
Error description
Deadlock detected !!! --------------------- Thread "AsyncPmiBBListenerPool : 0" which is owned by: Thread com.ibm.ws.serverinfo.impl.ServerInfoImpl$StateChangeNotifier 74 which is owned by: Thread "AsyncPmiBBListenerPool : 1" which is owned by: Thread "AsyncPmiBBListenerPool : 0" "AsyncPmiBBListenerPool : 0" Blocked on: com/ibm/ws/xd/workprofiler/overhead/data/OverheadCollector Owned by: com.ibm.ws.serverinfo.impl.ServerInfoImpl$StateChangeNotifier 74 Java callstack: at com/ibm/ws/xd/workprofiler/overhead/data/OverheadCollector.add(O verheadCollector.java:761(Compiled Code)) at com/ibm/ws/xd/workprofiler/overhead/data/OverheadCollector.chang e(OverheadCollector.java:785(Compiled Code)) at com/ibm/ws/vm/runtime/VVStateSensor.notifyChange(VVStateSensor.j ava:1052(Compiled Code)) at com/ibm/ws/vm/runtime/odc/VVStateSensorImpl.set(VVStateSensorImp l.java:172(Compiled Code)) (entered lock: com/ibm/ws/vm/runtime/odc/Manager@0x000000004362B1C0, at com/ibm/ws/vm/runtime/odc/ODCTreeListener$2.updatedStats(ODCTree Listener.java:920(Compiled Code)) com.ibm.ws.serverinfo.impl.ServerInfoImpl$StateChangeNotifier 74 Blocked on: com/ibm/ws/xd/workprofiler/vm/CPUMonitor Owned by: "AsyncPmiBBListenerPool : 1" Java callstack: at com/ibm/ws/xd/workprofiler/overhead/data/Server.<init>(Server.ja va:63) at com/ibm/ws/xd/workprofiler/overhead/data/OverheadCollector.getSe rver(OverheadCollector.java:142) at com/ibm/ws/xd/workprofiler/overhead/data/OverheadCollector.updat eServer(OverheadCollector.java:160) (entered lock: com/ibm/ws/xd/workprofiler/overhead/data/OverheadCollector at com/ibm/ws/xd/workprofiler/impl/WorkProfilerManager.setServerSta te(WorkProfilerManager.java:1247) at com/ibm/ws/xd/workprofiler/impl/ServerSensorBackend.setServerSta te(ServerSensorBackend.java:205) at com/ibm/ws/xd/workprofiler/impl/ServerSensorBackend.access$700(S erverSensorBackend.java:36) at com/ibm/ws/xd/workprofiler/impl/ServerSensorBackend$6$1.work(Ser verSensorBackend.java:308) at com/ibm/ws/xd/workprofiler/impl/HelperSecurityServer.run(HelperS ecurityServer.java:27) at com/ibm/ws/xd/workprofiler/impl/ServerSensorBackend$6.serverStat eChange(ServerSensorBackend.java "AsyncPmiBBListenerPool : 1" Blocked on: com/ibm/ws/vm/runtime/odc/Manager@0x000000004362B1C0 Owned by: "AsyncPmiBBListenerPool : 0" Java callstack: at com/ibm/ws/vm/runtime/odc/VVStateSensorImpl.getNode(VVStateSenso rImpl.java:795(Compiled Code)) (entered lock: com/ibm/ws/vm/runtime/odc/Manager at com/ibm/ws/vm/runtime/odc/VVStateSensorImpl.getNode(VVStateSenso rImpl.java:40(Compiled Code)) at com/ibm/ws/xd/workprofiler/overhead/data/XDNode.getPMCPUSpeed(XD Node.java:60(Compiled Code)) at com/ibm/ws/xd/workprofiler/overhead/data/OverheadCollector.getPM CpuSpeed(OverheadCollector.java:847(Compiled Code)) at com/ibm/ws/xd/workprofiler/impl/WorkProfilerManager.getNodeSpeed (WorkProfilerManager.java:1139(Compiled Code)) at com/ibm/ws/xd/workprofiler/impl/AlphaNodeDataCollector.getNodeSp eed(AlphaNodeDataCollector.java:197(Compiled Code)) at com/ibm/ws/xd/workprofiler/impl/AlphaNodeDataCollector$1.gotData (AlphaNodeDataCollector.java:114(Compiled Code)) at com/ibm/ws/xd/workprofiler/data/NodeDataCollector.check(NodeData Collector.java:475(Compiled Code)) at com/ibm/ws/xd/workprofiler/impl/AlphaNodeDataCollector.check(Alp haNodeDataCollector.java:358(Compiled Code)) at com/ibm/ws/xd/workprofiler/impl/Server.addCPU(Server.java:414(Co mpiledCode)) at com/ibm/ws/xd/workprofiler/impl/Server$2.setCPU(Server.java:235( CompiledCode)) at com/ibm/ws/xd/workprofiler/vm/CPUMonitor$XDNode$Server.notifyLis teners(CPUMonitor.java:217(Compiled Code)) at com/ibm/ws/xd/workprofiler/vm/CPUMonitor$XDNode$Server.setCPU(CP UMonitor.java:174(Compiled Code)) (entered lock: com/ibm/ws/xd/workprofiler/vm/CPUMonitor at com/ibm/ws/xd/workprofiler/impl/ProcessCPUCollector.updatedStats (ProcessCPUCollector.java:87(Compiled Code)) at com/ibm/ws/xd/pmi/async/client/AsyncPmiSubscriptionHandler.proce ssUpdateQueued(AsyncPmiSubscriptionHandler.java:756(Compiled Code)) at com/ibm/ws/xd/pmi/async/client/AsyncPmiSubscriptionHandler.run(A syncPmiSubscriptionHandler.java:873(Compiled Code)) at com/ibm/ws/util/ThreadPool$Worker.run(ThreadPool.java:1815)
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server V8.5 * **************************************************************** * PROBLEM DESCRIPTION: Deadlock detected in the work * * profiler controller * **************************************************************** * RECOMMENDATION: * **************************************************************** Deadlock detected in the work profiler between data collector threads and state sensor threads due to locks on an singleton object.
Problem conclusion
The workprofiler code was changed to use different locks to prevent the deadlock situation. The fix for this APAR is currently targeted for inclusion in fix pack 8.5.5.2. Please refer to the Recommended Updates page for delivery information: http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
Temporary fix
Comments
APAR Information
APAR number
PM98569
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
850
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2013-10-07
Closed date
2013-12-10
Last modified date
2015-04-07
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
WEBS APP SERV N
Fixed component ID
5724H8800
Applicable component levels
R850 PSY
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.5","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
28 April 2022