Java not installed

Some of our developers run their code on Our  11.2.0.4 database. While they are running the code, they are hitting ORA-29538&ORA-06512 errors. Here is the complete error messages: ORA-29538:Java not installed ORA-06512:at_konum “XXX.UNZIPPER_PKG”, line 2 ORA-06512:at “XXX.UNZIPPER_PKG”, line 12 ORA-06512:at “XXX.UNZIP”, line 4 Continue reading