ORA-29548 release of java system classes in the database (12.2.0.2.160419.1.6 ) does not match that of oracle executable (12.1.0.2.170418 1.6) By Shadab Mohammad • Aug 12, 2017 • No comments This error is mostly due to a mismatch in the Java system classes. It happened to us when we cloned… Share this:Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on WhatsApp (Opens in new window)