How to fix the Oracle error ORA-29542: class string already defined by source string?

In this post, you’ll learn more about the Oracle ErrorORA-29542: class string already defined by source string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-29542: class string already defined by source string

Reason for the Error ORA-29542: class string already defined by source string

An attempt was made to create a Java source object that would define a class that is already defined by a different Java source object.

How to fix the Error ORA-29542: class string already defined by source string ?

You can fix this error in Oracle by following the below steps

Either drop the old source or modify the new source.