I believe that ORA-04031 (See ORA-04031.ora-code.com) is coming from your target database. I would set large pool size to something more reasonable than 1.5M or 3M... like 16 or 32M at least.
2006/7/17, John P Weatherman <asahoshi@(protected)>: > as should the target (though the errors says it is coming from the RPC, > so this shouldn't be the issue):