In thisDocument Symptoms Cause Solution References
Applies to:
Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 11.1.0.7- Release: 10.2 to 11.1 Information in this document applies to any platform. ***Checked for relevance on 20-Dec-2011***
Symptoms
The following errors are reported in the alert log and tracefile:
ORA-22303: type "SYS"."AQ$_HISTORY"not found ORA-00604: error occurred at recursive SQL level 1 ORA-00018: maximum number of sessions exceeded OPIRIP: Uncaught error 447. Error stack: ORA-00447: fatal error in background process
Cause
The errors were discussed in unpublished Bug 5959280, marked as aduplicate of unpublished Bug 5377190 which has been closed as 'Nota Bug'.
Solution
The ORA-22303 error is misleading. The real issue is the ORA-00018: maximum number ofsessions exceeded' error which is documented in Note 419130.1 - ORA-00018: Maximum Number Of SessionsExceeded
References
NOTE:419130.1- Ora-00018: Maximum Number Of Sessions Exceeded