Home » RDBMS Server » Server Administration » ORA-03135: connection lost contact error (oracle 10.2.0.3.0 Redhat AS 4)
ORA-03135: connection lost contact error [message #310977] Thu, 03 April 2008 02:51 Go to next message
M.Shakeel Azeem
Messages: 226
Registered: September 2006
Senior Member
Oracle Version: 10.2.0.3.0
Operating System: Redhat AS 4

Dear All,
My Oracle Version: 10.2.0.3.0 and OS version is Redhat AS 4i am using 10g SQLPLUS Client to connect to 10.2.0.3.0 DB but after 10-15 minutes idle time i am getting the error
ORA-03135: connection lost contact error

SQLNET.ORA at client side
names.directory_path = (TNSNAMES)

SQLNET.ORA at server side

names.directory_path = (TNSNAMES)

Please suggest where could be the problem.

thanx
Re: ORA-03135: connection lost contact error [message #310980 is a reply to message #310977] Thu, 03 April 2008 02:55 Go to previous message
Michel Cadot
Messages: 64103
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
ORA-03135: connection lost contact
 *Cause:  1) Server unexpectedly terminated or was forced to terminate.
          2) Server timed out the connection.
 *Action: 1) Check if the server session was terminated.
          2) Check if the timeout parameters are set properly in sqlnet.ora.

Regards
Michel
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