DBCA时没有安装EM express@H_404_7@

后来安装就一个命令@H_404_7@

exec dbms_xdb_config.sethttpport(5000);@H_404_7@

http://192.168.1.11:5000/em@H_404_7@

切换到PDB然后执行dbms_xdb_config.sethttpport@H_404_7@

alter session set container=ORCLPDB1;@H_404_7@

exec dbms_xdb_config.sethttpport(5505);@H_404_7@