PLSQL_WARNINGS

Struggling with pl/sql code having EXCEPTION WHEN OTHERS THEN NULL; lines.

alter session set plsql_warnings = 'ENABLE:6009';

and compile your code. You get a nice report of your buggy code. There are quite a few other warnings available since 10.1. Here is a sqlplus script to be run on your development/test environment to get a information about your possible problematic code. The compilewarnings.sql script generates a p.txt file containing the output.

SQL> compilewarnings.sql