ORA Database Error Messages ORA-04020: deadlock detected while trying to lock object stringstringstringstringstring July 3, 2015 mpbod ORA-04020: deadlock detected while trying to lock object stringstringstringstringstring Cause: While trying to lock a library object, a deadlock is detected. Action: Retry the operation later. 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)