Java Invalid in Production

1. Currently, our system is not forcing users to use mixed case and special characters. We have customized a java code that will change the password policy of our application.
2.Enable DDL audit for all schema: this will provide historic of database object change:

Following this , few invalids got created in PROD. Please find the list attached and advise us asap.

SQL> select object_name,owner,object_type from dba_objects where status like 'INVALID';

OBJECT_NAME                              OWNER                          OBJECT_TYPE
---------------------------------------- ------------------------------ -------------------
/ae799f28_DirectDepositConcurr           APPS                           JAVA CLASS
/e6bc455_DocumentGenerator               APPS                           JAVA CLASS
/5f0dac85_LogFile                        APPS                           JAVA CLASS