PK46819: OUT-OF-MEMORY WITH SERVER-AS-CLIENT STRESS RUN.

 Fixes are available

5.1.1.17: WebSphere Application Server V5.1.1 Cumulative Fix 17 for AIX
5.1.1.17: WebSphere Application Server V5.1.1 Cumulative Fix 17 for HP-UX
5.1.1.19: WebSphere Application Server V5.1.1 Cumulative Fix 19 for Linux
5.1.1.18: WebSphere Application Server V5.1.1 Cumulative Fix 18 for AIX
5.1.1.18: WebSphere Application Server V5.1.1 Cumulative Fix 18 for HP-UX
5.1.1.18: WebSphere Application Server V5.1.1 Cumulative Fix 18 for Solaris
5.1.1.18: WebSphere Application Server V5.1.1 Cumulative Fix 18 for Windows
5.1.1.18: WebSphere Application Server V5.1.1 Cumulative Fix 18 for Linux
5.1.1.17: WebSphere Application Server V5.1.1 Cumulative Fix 17 for Linux
5.1.1.17: WebSphere Application Server V5.1.1 Cumulative Fix 17 for Solaris
5.1.1.17: WebSphere Application Server V5.1.1 Cumulative Fix 17 for Windows
5.1.1.19: WebSphere Application Server V5.1.1 Cumulative Fix 19 for AIX
5.1.1.19: WebSphere Application Server V5.1.1 Cumulative Fix 19 for Windows
5.1.1.19: WebSphere Application Server V5.1.1 Cumulative Fix 19 for HP-UX



APAR status
Closed as program error.

Error description
When more than 120 concurrent user logged in to the applicatio
and if the application runs for longer time (during stress
test or any other test) the out of memory exception is thrown.

From the Heap Dump


579,597,824 [112] 8
com/ibm/ISecurityLocalObjectCSIv2UtilityImpl/SessionManager
0x40953cc8
 579,596,336 [48] 2
com/ibm/ISecurityLocalObjectCSIv2UtilityImpl/ConnectionTable
0x4550b5c0
  579,596,248 [64] 4 array of java/util/Hashtable$Entry
0x4550b580
   312,511,216 [32] 2 java/util/Hashtable$Entry 0x739198b8
    312,511,040 [40] 4
com/ibm/ISecurityLocalObjectCSIv2UtilityImpl/Connection
0x73f67348
     312,510,776 [48] 2
com/ibm/ISecurityLocalObjectCSIv2UtilityImpl/SessionTable
0x73919888
      312,510,688 [12,304] 1,363 array of
java/util/Hashtable$Entry
0x800896f8
       480,048 [32] 3 java/util/Hashtable$Entry 0x5507a220
       480,008 [32] 3 java/util/Hashtable$Entry 0x66a956e0
       479,984 [32] 3 java/util/Hashtable$Entry 0x8f8ac1d8
       479,976 [32] 3 java/util/Hashtable$Entry 0x4c290c30
       479,968 [32] 3 java/util/Hashtable$Entry 0x4d34f4d8

WebSphere application server 6.0.2.x

This APAR also resolve problem where, after restarting the
nodeagent, the LTPA token fails to propagate properly.
Propagation issue.
Internal defects (244241 and 251435)

In a multi node environment, it may not be noticed until an
application fails over to this node and may get
org.omg.CORBA.NO_IMPLEMENT exception.  Looking back on the same
thread, the org.omg.CORBA.NO_PERMISSION may be found.

  [19/12/07 12:42:02:496 GMT] 792fb2f0 ORBRas        <
  com.ibm.CORBA.iiop.ClientDelegate@3d2772ed invoke:702
  LocalNotificationServiceDispatcher : 0 Exit
  [19/12/07 12:42:02:496 GMT] 792fb2f0 ORBRas        e
  com.ibm.CORBA.iiop.ClientDelegate@3d2772ed invoke:773
  LocalNotificationServiceDispatcher : 0 Received
  SystemException
        org.omg.CORBA.NO_PERMISSION:

  Trace from server: 340607660 at host someserver.somecomp.com
  >>
  org.omg.CORBA.NO_PERMISSION: Subject is null.  Authentication
  Failed.
  vmcid: 0x49424000  minor code: 300  completed: No
   at
  com.ibm.ISecurityLocalObjectBaseL13Impl.PrincipalAuthFailReaso
  n.map_auth
  _fail_to_minor_code(PrincipalAuthFailReason.java:83)
   at
  com.ibm.ISecurityLocalObjectBaseL13Impl.CSIServerRI.receive_re
  quest(CSIS
  erverRI.java:2048)
   at
  com.ibm.rmi.pi.InterceptorManager.iterateReceiveRequest(Interc
  eptorManag
  er.java:770)
   at
  com.ibm.CORBA.iiop.ServerDelegate.dispatchInvokeHandler(Server
  Delegate.j
  ava:599)
   at
  com.ibm.CORBA.iiop.ServerDelegate.dispatch(ServerDelegate.java
  :463)
Local fix
N/A
Problem summary
****************************************************************
* USERS AFFECTED: Users of IBM WebSphere Application Server    *
*                 Version 5.1 with CSIv2 attribute propagation *
*                 enabled.                                     *
****************************************************************
* PROBLEM DESCRIPTION: OutOfMemory exception and/or            *
*                      performance issues with CSIv2 Stateful  *
*                      inbound and outbound propagation        *
*                      enabled.                                *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
OutOfMemory exception and/or performance issues with CSIv2
Stateful inbound and outbound propagation enabled.

This problem occurs under stress, for example when more than
120 concurrent users are logged in to the application and the
application runs for a long time.
Problem conclusion
Various problems with attribute propagation can cause session
credential cache misses which causes multiple credentials and
and cache entries to be created for the same identity,
eventually leading to an OutOfMemory exception.

Theis fix backports several fixes from Version 6.1 to V5.1.
These defects correct the propagation problems.

The fix for this APAR is currently targeted for inclusion
in cumulative fix 5.1.1.17.
Please refer to the recommended updates page for delivery
information:

http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
Temporary fix
A test fix was sent to the customer.
Comments
APAR information
APAR number PK46819
Reported component name WEBS APP SERV N
Reported component ID 5724H8800
Reported release 10A
Status CLOSED PER
PE NoPE
HIPER NoHIPER
Special Attention NoSpecatt
Submitted date 2007-06-11
Closed date 2007-10-30
Last modified date 2008-01-22

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Modules/Macros

Publications Referenced

Fix information
Fixed component name WAS NETWRK DEPL
Fixed component ID 5630A3601

Applicable component levels
R003 PSN    UP
R00A PSN    UP
R00H PSN    UP
R00I PSN    UP
R00P PSN    UP
R00S PSN    UP
R00W PSN    UP
R103 PSY    UP
R10A PSY    UP
R10H PSY    UP
R10I PSY    UP
R10P PSY    UP
R10S PSY    UP
R10W PSY    UP


Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > WebSphere Application Server > General
Operating system(s):
Software version: 10A
Software edition:
Reference #: PK46819
IBM Group: Software Group
Modified date: Jan 22, 2008