16.3.1 ORA-03113

Indicates that an error has occurred on the database server.

Message

ORA-03113: End-of-file on communication channel

Cause

An unexpected end of file is processed on the communication channel. This may be an indication that the communications link may have gone down at least temporarily, or it may indicate that the server has gone down.

Action

Check the alert_sid.log file on the server. You may need to modify your retransmission count.