OC4J Configuration issue. <ORACLE_HOME> / oc4j / j2ee / OC4J_DBConsole_ <SERVER> _ <SID> not found.
The passwords of sysman and dbsnmp users must be changed.
The “EM Repository” should be recreated.
SQL> alter user sysman identified by <yeni_sifre>;
SQL> alter user dbsnmp identified by <yeni_sifre>;
$ emca -config dbcontrol db -repos create