Fixes are available
7.0.0.43: WebSphere Application Server V7.0 Fix Pack 43
8.5.5.12: WebSphere Application Server V8.5.5 Fix Pack 12
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
8.5.5.13: WebSphere Application Server V8.5.5 Fix Pack 13
7.0.0.45: WebSphere Application Server V7.0 Fix Pack 45
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
7.0.0.45: Java SDK 1.6 SR16 FP60 Cumulative Fix for WebSphere Application Server
7.0.0.43: Java SDK 1.6 SR16 FP41 Cumulative Fix for WebSphere Application Server
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
8.5.5.17: 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
mod_mem_cache could crash if two threads try to remove the same cache entry concurrently.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: Users of mod_mem_cache in IBM HTTP Server * * 8.5 and earlier * **************************************************************** * PROBLEM DESCRIPTION: A crash could occur if two threads * * concurrently try to remove the same * * cache entry. * **************************************************************** * RECOMMENDATION: Apply this fix if using the mod_mem_cache * * module in IBM HTTP Server 8.5 and earlier * **************************************************************** A thread concurrency issue in mod_mem_cache could result in a crash.
Problem conclusion
Fixed the concurrent removal of stale entries issue which could lead to a crash. This fix is targeted for IBM HTTP Server fix packs: - 7.0.0.43 - 8.0.0.14 - 8.5.5.12
Temporary fix
Comments
APAR Information
APAR number
PI72350
Reported component name
IBM HTTP SERVER
Reported component ID
5724J0801
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-11-16
Closed date
2017-03-07
Last modified date
2017-03-07
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
IBM HTTP SERVER
Fixed component ID
5724J0801
Applicable component levels
R700 PSY
UP
R800 PSY
UP
R850 PSY
UP
Document Information
Modified date:
07 September 2022