Shared Memory Error: Permission Denied With Web Cache Adminstrator Startup

(Doc ID 880352.1)

Last updated on NOVEMBER 04, 2016

Applies to:

Web Cache - Version:
This problem can occur on any platform.


-- Problem Statement:
Starting up the Web Cache Admistrator process in Oracle Application Server 10g results in a timeout and eventual failure to come up. Following errors are seen in the event_log for Web Cache:

[19/Aug/2009:16:33:49 -0400] [alert 11817] [ecid: -] Unable to allocate or access a shared memory
segment of size 208 bytes. shmget(): Permission denied

This server has 6 installations of OAS with 6 different owners. All other components come up in
this installation and the other 5 installations without a problem.


This problem just began after the IP address on the was server changed was executed for all 6 installations. strace reveals Webcache Admin for 2 different installations/owners to be using the same shared memory key.


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