Fixes are available
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
apr_pollset_add failure in the error log: . [Tue Sep 23 17:15:49 2014] [error] (1102)EDC8102I Operation would block. (errno2=0x76650000): process_socket: apr_pollset_add failure [Tue Sep 23 17:15:49 2014] [error] (1102)EDC8102I Operation would block. (errno2=0x76650000): process_socket: apr_pollset_add failure ... [Wed Sep 24 08:25:06 2014] [error] (1102)EDC8102I Operation would block. (errno2=0x76650000): process_socket: apr_pollset_add failure
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: Users of IBM HTTP Server V8.5 on z/OS * **************************************************************** * PROBLEM DESCRIPTION: process_socket: apr_pollset_add * * failure messages and high cpu * * consumption on listener thread. * **************************************************************** * RECOMMENDATION: * **************************************************************** Some flags in the aiocb were not being initialized correctly causing the async requests to fail.
Problem conclusion
Flags will be set properly before the async calls are made.
Temporary fix
Comments
APAR Information
APAR number
PI31802
Reported component name
WAS IHS ZOS
Reported component ID
5655I3510
Reported release
850
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2014-12-18
Closed date
2015-01-27
Last modified date
2015-03-10
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
WAS IHS ZOS
Fixed component ID
5655I3510
Applicable component levels
R850 PSY
UP
Document Information
Modified date:
28 April 2022