Primary Note: Troubleshooting steps for ORA-03113 Error
(Doc ID 1506805.1)
Last updated on SEPTEMBER 04, 2023
Oracle Database - Enterprise Edition - Version 22.214.171.124 and later Oracle Net Services - Version 126.96.36.199 and later Information in this document applies to any platform.
An ORA-3113 "end of file on communication channel" error is a general error usually reported by a client process connected to an Oracle database. The error basically means 'I cannot communicate with the Oracle shadow process'. As it is such a general error more information must be collected to help determine what has happened - this error by itself does not indicate the cause of the problem. For example, ORA-3113 could be signaled for any of these following scenarios:
Server machine crashed
Your server process was killed at the O/S level
Oracle internal errors (ORA-600 / ORA-7445) / aborts on the server
Client incorrectly handling multiple connections
etc.. etc.. etc.. - a lot of possible causes !!
This article describes what information to collect for an ORA-3113 error. It is common for this error to be accompanied by other errors such as: