IBM Support

PM95567: CONCURRENTMODIFICATIONEXCEPTIONS WHEN RUNNING EJB WEB SERVICES WITH WS-SECURITY UNDER HEAVY LOAD

Fixes are available

8.5.5.1: WebSphere Application Server V8.5.5 Fix Pack 1
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

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Under stress testing, inbound web service message handling
fails with the ConcurrentModification
exceptions and the exception stack shows:

Cause:
Throwable class: java.util.ConcurrentModificationException
Error Message: null
. é á StackTrace::Element:
java.util.HashMap$AbstractMapIterator.checkConcurrentMod(HashMap
.java:191)
. é á StackTrace::Element:
java.util.HashMap$AbstractMapIterator.makeNext(HashMap.java:196)
. é á StackTrace::Element:
java.util.HashMap$KeyIterator.next(HashMap.java:269)
. é á StackTrace::Element:
java.util.HashMap.analyzeMap(HashMap.java:798)
. é á StackTrace::Element:
java.util.HashMap.rehash(HashMap.java:784)
. é á StackTrace::Element:
java.util.HashMap.rehash(HashMap.java:817)
. é á StackTrace::Element:
java.util.HashMap.putImpl(HashMap.java:700)
. é á StackTrace::Element: java.util.HashMap.put(HashMap.java:67
. é á StackTrace::Element:
org.apache.ws.security.handler.WSHandler.loadCrypto(WSHandler.ja
va:806)
. é á StackTrace::Element:
org.apache.ws.security.handler.WSHandler.loadDecryptionCrypto(WS
Handler.java:753)
. é á StackTrace::Element:
org.apache.ws.security.handler.WSHandler.decodeDecryptionParamet
er(WSHandler.java:1139)
. é á StackTrace::Element:
org.apache.ws.security.handler.WSHandler.doReceiverAction(WSHand
ler.java:284)
. é á StackTrace::Element:
org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessag
e(WSS4JInInterceptor.java:265)
. é á StackTrace::Element:
org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessag
e(WSS4JInInterceptor.java:90)
. é á StackTrace::Element:
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInte
rceptorChain.java:262)
. é á StackTrace::Element:
org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:801
)
. é á StackTrace::Element:
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.ha
ndleResponseInternal(HTTPConduit.java:1695)
..
..
..
..
..

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:  All users of IBM WebSphere Application      *
*                  Server Liberty Profile                      *
****************************************************************
* PROBLEM DESCRIPTION: Inbound CXF web services SOAP           *
*                      message processing throws               *
*                      ConcurrentModificationExceptions        *
*                      under heavy load.                       *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
When running EJB web services with ws-security, inbound
SOAP message processing causes ConcurrentModificationExceptions
and the problem stack trace shows:
Cause:
Throwable class: java.util.ConcurrentModificationException
Error Message: null
. ? ? StackTrace::Element:
java.util.HashMap$AbstractMapIterator.checkConcurrentMod(HashMap
.java:191)
. ? ? StackTrace::Element:
java.util.HashMap$AbstractMapIterator.makeNext(HashMap.java:196)
. ? ? StackTrace::Element:
java.util.HashMap$KeyIterator.next(HashMap.java:269)
. ? ? StackTrace::Element:
java.util.HashMap.analyzeMap(HashMap.java:798)
. ? ? StackTrace::Element:
java.util.HashMap.rehash(HashMap.java:784)
. ? ? StackTrace::Element:
java.util.HashMap.rehash(HashMap.java:817)
. ? ? StackTrace::Element:
java.util.HashMap.putImpl(HashMap.java:700)
. ? ? StackTrace::Element:
java.util.HashMap.put(HashMap.java:67
. ? ? StackTrace::Element:
org.apache.ws.security.handler.WSHandler.loadCrypto(WSHandler.ja
va:806)
. ? ? StackTrace::Element:
org.apache.ws.security.handler.WSHandler.loadDecryptionCrypto(WS
Handler.java:753)
. ? ? StackTrace::Element:
org.apache.ws.security.handler.WSHandler.decodeDecryptionParamet
er(WSHandler.java:1139)
. ? ? StackTrace::Element:
org.apache.ws.security.handler.WSHandler.doReceiverAction(WSHand
ler.java:284)
. ? ? StackTrace::Element:
org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessag
e(WSS4JInInterceptor.java:265)
. ? ? StackTrace::Element:
org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessag
e(WSS4JInInterceptor.java:90)
. ? ? StackTrace::Element:
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInte
rceptorChain.java:262)
. ? ? StackTrace::Element:
org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:801
)
. ? ? StackTrace::Element:
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.ha
ndleResponseInternal(HTTPConduit.java:1695)
..
..
..
..
..

    



Problem conclusion



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PM95567
    • 

  • Reported component name
    LIBERTY PROFILE
    • 

  • Reported component ID
    5724J0814
    • 

  • Reported release
    850
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2013-08-21
    • 

  • Closed date
    2013-09-20
    • 

  • Last modified date
    2013-09-20
    • 





    

  • 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
    LIBERTY PROFILE
    • 

  • Fixed component ID
    5724J0814
    • 



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":"850","Line of Business":{"code":"LOB45","label":"Automation"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            11 January 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
Page Feedback