PI31802: APR_POLLSET_ADD FAILURE - ERRNO2=0X76650000

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 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