Monday, February 16, 2009

ORA-39006, ORA-39065,ORA-25306,ORA-39079 while exporting using EXPDP

Encountered the following error messages which attempting to do an export of a database using Data Pump utility with 10.2.0.4:

ORA-39006: internal error
ORA-39065: unexpected master process exception in DISPATCH
ORA-39079: unable to enqueue message DG,KUPC$S_3_20090213124234,MCP, ,1,Y
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS.KUPC$QUE_INT", line 924
ORA-25306: Cannot connect to buffered queue's owner instance

ORA-39097: Data Pump job encountered unexpected error -39079
ORA-39065: unexpected master process exception in KUPC$QUEUE_INT.PUT_STATUS
ORA-39079: unable to enqueue message DG,KUPC$S_3_20090213124234,MCP, ,1,Y
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS.KUPC$QUE_INT", line 924
ORA-25306: Cannot connect to buffered queue's

This seems to be a bug but couldn't find any published information in metalink. Setting the value for the parameters aq_tm_processes to 4 from a value of 0 worked. There are several other databases with the default setting of 0, but they don't seem to have problems with expdp. Hopefully, this will have a fix in 10.2.0.5.

Hope this helps others who encounter similar errors.

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