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RAC Listener TNS-12520 [message #199911] Thu, 26 October 2006 15:44 Go to next message
amit.pansare
Messages: 2
Registered: August 2006
Location: Mumbai
Junior Member
Hi ,

I have setup of Oracle RAC 10g on RHEL4 with 2 nodes. All RAC services on setup are running fine, but I am not able to connect to oracle some times i get error in listerner.log as

TNS-12520: TNS:listener could not find available handler for requested type of server

after stopping and starting listeners on both nodes it starts working fine. can any one comment why this is happening and how resolve this.


Thnx
Amit Pansare





Re: RAC Listener TNS-12520 [message #200365 is a reply to message #199911] Mon, 30 October 2006 09:20 Go to previous message
Mohammad Taj
Messages: 2412
Registered: September 2006
Location: Dubai, UAE
Senior Member

Just go through below link
http://www.dbmotive.com/oracle_error_codes.php?errcode=12520
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