ORA Database Error Messages ORA-01304: subordinate process error. Check alert and trace logs June 3, 2015 mpbod ORA-01304: subordinate process error. Check alert and trace logs Cause: A process subordinate to this Logminer process has exited with an error condition. Action: Look in the alert log and trace files for additional information. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)