we have installed Oracle Portal 11g and from time to time we notice the error "Failure of server APACHE bridge" when trying to access a page (not a specific one). I have noticed the following errors in the log files of WLS_PORTAL server:
Message Level 1
Relationship ID 0:1:1:1
Host IP Address 127.0.0.1
Thread ID [ACTIVE].ExecuteThread: '14' for queue: 'weblogic.kernel.Default (self-tuning)'
Message ERROR: Repository Gateway error: Request Processing Error: Bad name in the request: not a legal PLSQL identifer
This is related to the metalink article "Error Message 'Bad name in the request: not a legal PLSQL identifer' Is Logged In application.log Every Five Minutes [ID 957412.1]" which implies a bug of EM 10g. We have EM 11g, isn' t it fixed?
I have also noticed the error "ERROR: oracle.webdb.repository.service.RepositoryServiceException: Portal session creation failed". According to metalink article Troubleshooting Error: "Failure of server APACHE bridge" Accessing Portal Page [ID 1069135.1], this is noticable when IPv6 is enabled. But it isn' t (in the webcache.xml file) (</MULTIPORT>