To start, activate support (level 16) trace on the client and the database server.
You should see errors, in the trace, that caused the 3113. Adar Yechiel Rechovot, Israel Shanmugam, Dhandapani wrote:
Hi,We get most frequently error with the "ORA-03113 end-of-file on communication channel error".How can we stop this error. Kindly adviceRegards, Dhandapani