Install Oracle Apex 5.1.x, 18.1 on ORDS 3,17.4, 18.1

Oracle Apex is a modern framework to quickly develop and deploy web apps sitting on top of Oracle Database. Apex can be run directly from the database engine itself using a component called Mod PL/SQL. It is one of the easiest way to run Apex, but it is not a production ready setup. In a … Continue reading Install Oracle Apex 5.1.x, 18.1 on ORDS 3,17.4, 18.1

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)

This error is mostly due to a mismatch in the Java system classes. It happened to us when we cloned a 12c Database which was on a lower home version to a 12c home on a higher version. It requires data patch to be run and rollback the old patch and apply the new JVM … Continue reading 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)