Emctl start dbconsole encountered an error: OC4J_DBConsole_XXX _ XXX not found.
If you want to start the OEM service of Oracle and run emctl start dbconsole, the error message appears as follows:
/ u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_wjq.comsys.com_OraDB11g not found . To open OEM's web hypervisor, you must first start Database listener, and then start the Datebase Control port monitor, but encounter the following problems:
[oracle@wjq ~] $emctl start dbconsole
OC4J Configuration issue. / u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_wjq.comsys.com_OraDB11g not found.
In fact, such a situation may be that the em database is not configured correctly or that dbcotrol is not configured properly.
Solution:
Reconstruction of em data by ①
[oracle@wjq ~] $emca-repos recreate
STARTED EMCA at Nov 3, 2017 4:35:17 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: seiang11g
Listener port number: 1521
Password for SYS user:
Password for SYSMAN user:
WARNING: While repository is dropped the database will be put in quiesce mode.
Do you wish to continue? [yes (Y) / no (N)]: y
Nov 3, 2017 4:35:34 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at / u01/app/oracle/cfgtoollogs/emca/OraDB11g/emca_2017_11_03_16_35_16.log.
Nov 3, 2017 4:35:34 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Dropping the EM repository (this may take a while)...
Nov 3, 2017 4:36:47 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully dropped
Nov 3, 2017 4:36:47 PM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while)...
Nov 3, 2017 4:40:32 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
Enterprise Manager configuration completed successfully
FINISHED EMCA at Nov 3, 2017 4:40:32 PM
② configuration dbcontrol
[oracle@wjq ~] $emca-config dbcontrol db
STARTED EMCA at Nov 3, 2017 2:29:41 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: seiang11g
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. Wjq.comsys.com
Listener ORACLE_HOME. / u01/app/oracle/product/11.2.0/dbhome_1
Listener port number. 1521
Database SID. Seiang11g
Email address for notifications.
Outgoing Mail (SMTP) server for notifications.
-
Do you wish to continue? [yes (Y) / no (N)]: y ^ H
Nov 3, 2017 2:30:36 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at / u01/app/oracle/cfgtoollogs/emca/OraDB11g/emca_2017_11_03_14_29_40.log.
Nov 3, 2017 2:30:39 PM oracle.sysman.emcp.EMReposConfig uploadConfigDataToRepository
INFO: Uploading configuration data to EM repository (this may take a while)...
Nov 3, 2017 2:32:36 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Uploaded configuration data successfully
Nov 3, 2017 2:32:38 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Securing Database Control (this may take a while)...
Nov 3, 2017 2:32:53 PM oracle.sysman.emcp.util.PlatformInterface executeCommand
WARNING: Error executing / u01/app/oracle/product/11.2.0/dbhome_1/bin/emctl secure dbconsole-host wjq.comsys.com-sid OraDB11g
Nov 3, 2017 2:32:53 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
WARNING: Error securing Database control.
Nov 3, 2017 2:32:53 PM oracle.sysman.emcp.EMDBPostConfig setWarnMsg
INFO: Error securing Database Control. Database Control has been brought-up in non-secure mode. To secure the Database Control execute the following command (s):
1) Set the environment variable ORACLE_UNQNAME to Database unique name
2) / u01/app/oracle/product/11.2.0/dbhome_1/bin/emctl stop dbconsole
3) / u01/app/oracle/product/11.2.0/dbhome_1/bin/emctl config emkey-repos-sysman_pwd
< Password for SYSMAN user >4) / u01/app/oracle/product/11.2.0/dbhome_1/bin/emctl secure dbconsole-sysman_pwd
< Password for SYSMAN user >5) / u01/app/oracle/product/11.2.0/dbhome_1/bin/emctl start dbconsole
To secure Em Key, run / u01/app/oracle/product/11.2.0/dbhome_1/bin/emctl config emkey-remove_from_repos-sysman_pwd
< Password for SYSMAN user >Nov 3, 2017 2:32:53 PM oracle.sysman.emcp.util.DBControlUtil startOMS
INFO: Starting Database Control (this may take a while)...
Nov 3, 2017 2:32:58 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: Database Control started successfully
Nov 3, 2017 2:32:58 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: > The Database Control URL is http://wjq.comsys.com:5500/em
