ORACLE 11G OCM备考之创建EM与EM登陆异常的处理

    在ORACLE 11G OCM考试中，有EM监控的创建管理，有意思的是，在创建过程中没有报错提示，但是创建完成后，

从web端登陆的时候一直提示无效的用户名和密码，仔细排查发现创建的时候需要解锁sysman、DBSNMP 账号并修改密

码，否则EM创建完成后无法正常登陆。

    创建EM监控的过程：

[oracle@enmoedu1 ~]$ emca -config dbcontrol db

STARTED EMCA at May 22, 2019 5:39:31 PM

EM Configuration Assistant, Version 11.2.0.3.0 Production

Copyright (c) 2003, 2011, Oracle.  All rights reserved.

Enter the following information:

Database SID: PROD1

Listener port number: 1521

Listener ORACLE_HOME [ /u01/app/oracle/product/11.2.0/dbhome_1 ]: 

Password for SYS user: 

Password for DBSNMP user: 

Password for SYSMAN user: 

Email address for notifications (optional): 

Outgoing Mail (SMTP) server for notifications (optional): 

-----------------------------------------------------------------

You have specified the following settings

Database ORACLE_HOME ................ /u01/app/oracle/product/11.2.0/dbhome_1

Local hostname ................ enmoedu1.example.com

Listener ORACLE_HOME ................ /u01/app/oracle/product/11.2.0/dbhome_1

Listener port number ................ 1521

Database SID ................ PROD1

Email address for notifications ............... 

Outgoing Mail (SMTP) server for notifications ...............

-----------------------------------------------------------------

----------------------------------------------------------------------

WARNING : While repository is dropped the database will be put in quiesce mode.

----------------------------------------------------------------------

Do you wish to continue? [yes(Y)/no(N)]: y

May 22, 2019 5:39:50 PM oracle.sysman.emcp.EMConfig perform

INFO: This operation is being logged at /u01/app/oracle/cfgtoollogs/emca/PROD1/emca_2019_05_22_17_39_31.log.

May 22, 2019 5:39:51 PM oracle.sysman.emcp.EMReposConfig invoke

INFO: Dropping the EM repository (this may take a while) ...

May 22, 2019 5:42:46 PM oracle.sysman.emcp.EMReposConfig invoke

INFO: Repository successfully dropped

May 22, 2019 5:42:48 PM oracle.sysman.emcp.EMReposConfig createRepository

INFO: Creating the EM repository (this may take a while) ...

May 22, 2019 5:52:01 PM oracle.sysman.emcp.EMReposConfig invoke

INFO: Repository successfully created

May 22, 2019 5:52:14 PM oracle.sysman.emcp.EMReposConfig uploadConfigDataToRepository

INFO: Uploading configuration data to EM repository (this may take a while) ...