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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.
Start with those two and let us know how it goes. :)
many thanks for Your reply. I don't use properly any timeout parameters.
Please would You tell me, which changes I have to make in my application.
You can download my app here: