We run Tuxedo 8.1 (Patch 291), on Windows 2003 and shutdown the system nightly for PS Portal database refresh. Over the last couple of months both Application Servers are having issues shutting down our Portal environment.
Tuxlog is reporting various errros including:
ERROR: msgrcv err(LIBTUX_CAT:666: ERROR: Message operation failed because the queue was removed
ERROR: Message operation failed because of the invalid message queue identifier ERROR: System lock semop failure