Fixes are available
7.0.0.19: WebSphere Application Server V7.0 Fix Pack 19
8.0.0.1: WebSphere Application Server V8.0 Fix Pack 1
7.0.0.21: WebSphere Application Server V7.0 Fix Pack 21
8.0.0.2: WebSphere Application Server V8.0 Fix Pack 2
8.0.0.3: WebSphere Application Server V8.0 Fix Pack 3
7.0.0.23: WebSphere Application Server V7.0 Fix Pack 23
8.0.0.4: WebSphere Application Server V8.0 Fix Pack 4
7.0.0.25: WebSphere Application Server V7.0 Fix Pack 25
8.0.0.5: WebSphere Application Server V8.0 Fix Pack 5
7.0.0.27: WebSphere Application Server V7.0 Fix Pack 27
8.0.0.6: WebSphere Application Server V8.0 Fix Pack 6
7.0.0.29: WebSphere Application Server V7.0 Fix Pack 29
8.0.0.7: WebSphere Application Server V8.0 Fix Pack 7
8.0.0.8: WebSphere Application Server V8.0 Fix Pack 8
7.0.0.31: WebSphere Application Server V7.0 Fix Pack 31
7.0.0.27: Java SDK 1.6 SR13 FP2 Cumulative Fix for WebSphere Application Server
7.0.0.33: WebSphere Application Server V7.0 Fix Pack 33
8.0.0.9: WebSphere Application Server V8.0 Fix Pack 9
7.0.0.35: WebSphere Application Server V7.0 Fix Pack 35
8.0.0.10: WebSphere Application Server V8.0 Fix Pack 10
7.0.0.37: WebSphere Application Server V7.0 Fix Pack 37
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
7.0.0.39: WebSphere Application Server V7.0 Fix Pack 39
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
7.0.0.41: WebSphere Application Server V7.0 Fix Pack 41
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
7.0.0.43: WebSphere Application Server V7.0 Fix Pack 43
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
7.0.0.45: WebSphere Application Server V7.0 Fix Pack 45
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
7.0.0.19: Java SDK 1.6 SR9 FP2 Cumulative Fix for WebSphere Application Server
7.0.0.21: Java SDK 1.6 SR9 FP2 Cumulative Fix for WebSphere
7.0.0.23: Java SDK 1.6 SR10 FP1 Cumulative Fix for WebSphere
7.0.0.25: Java SDK 1.6 SR11 Cumulative Fix for WebSphere Application Server
7.0.0.27: Java SDK 1.6 SR12 Cumulative Fix for WebSphere Application Server
7.0.0.29: Java SDK 1.6 SR13 FP2 Cumulative Fix for WebSphere Application Server
7.0.0.45: Java SDK 1.6 SR16 FP60 Cumulative Fix for WebSphere Application Server
7.0.0.31: Java SDK 1.6 SR15 Cumulative Fix for WebSphere Application Server
7.0.0.35: Java SDK 1.6 SR16 FP1 Cumulative Fix for WebSphere Application Server
7.0.0.37: Java SDK 1.6 SR16 FP3 Cumulative Fix for WebSphere Application Server
7.0.0.39: Java SDK 1.6 SR16 FP7 Cumulative Fix for WebSphere Application Server
7.0.0.41: Java SDK 1.6 SR16 FP20 Cumulative Fix for WebSphere Application Server
7.0.0.43: Java SDK 1.6 SR16 FP41 Cumulative Fix for WebSphere Application Server
APAR status
Closed as program error.
Error description
Multiple threads are running in HashMap, which called SecurityConfigImpl.getPropertyBool method causing high CPU 3XMTHREADINFO "WebContainer : 1" J9VMThread:0x00000000025E4800, j9thread_t:0x0000000011D53950, java/lang/Thread:0x000000004257FF18, state:CW, prio=5 3XMTHREADINFO1 (native thread ID:0x3C5E, native priority:0x5, native policy:UNKNOWN) 3XMTHREADINFO2 (native stack address range from:0x00002AAABD757000, to:0x00002AAABD798000, size:0x41000) 3XMTHREADINFO3 Java callstack: 4XESTACKTRACE at java/util/HashMap.rehash(HashMap.java:696(Compiled Code)) 4XESTACKTRACE at java/util/HashMap.rehash(HashMap.java:730(Compiled Code)) 4XESTACKTRACE at java/util/HashMap.putImpl(HashMap.java:626(Compiled Code)) 4XESTACKTRACE at java/util/HashMap.put(HashMap.java:605(Compiled Code)) 4XESTACKTRACE at com/ibm/ws/security/config/SecurityConfigImpl.getPropertyBool(Se curityConfigImpl.java:1507) 3XMTHREADINFO "WebContainer : 3" J9VMThread:0x00000000025E6800, j9thread_t:0x00002AAAC05475A0, java/lang/Thread:0x00000000425A7510, state:CW, prio=5 3XMTHREADINFO1 (native thread ID:0x3C60, native priority:0x5, native policy:UNKNOWN) 3XMTHREADINFO2 (native stack address range from:0x00002AAABE283000, to:0x00002AAABE2C4000, size:0x41000) 3XMTHREADINFO3 Java callstack: 4XESTACKTRACE at java/util/HashMap.rehash(HashMap.java:696(Compiled Code)) 4XESTACKTRACE at java/util/HashMap.rehash(HashMap.java:730(Compiled Code)) 4XESTACKTRACE at java/util/HashMap.putImpl(HashMap.java:626(Compiled Code)) 4XESTACKTRACE at java/util/HashMap.put(HashMap.java:605(Compiled Code)) 4XESTACKTRACE at com/ibm/ws/security/config/SecurityConfigImpl.getPropertyBool(Se curityConfigImpl.java:1507) After data review, two threads running HashMap code called by com/ibm/ws/security/config/SecurityConfigImpl.getPropertyBool(Se curityConfigImpl.java:1507) are consuming high CPU.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server running with security enabled. * **************************************************************** * PROBLEM DESCRIPTION: In certain timing situations between * * threads, high CPU utilization can * * occur. * **************************************************************** * RECOMMENDATION: * **************************************************************** Invalid concurrent access to internal HashMap objects can result in high CPU utilization under certain timing conditions.
Problem conclusion
The code was corrected eliminate the concurrent HashMap access that caused this problem. The fix for this APAR is currently targeted for inclusion in fix pack 7.0.0.19. 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
PM35743
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2011-03-28
Closed date
2011-04-29
Last modified date
2011-04-29
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
R700 PSY
UP
Document Information
Modified date:
27 October 2021