oem启动失败的一般解决方法

1.查看监听是否有错误，并修改或重建

2.查看数据库实例是否启动正确

3.重建oem

重建oem的方法

1.emca -repos recreate  重建一个EM资料库   

按照提示输入相关参数

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emca -repos create 重创一个EM资料库

emca -repos drop 删除一个EM资料库

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2.emca -config dbcontrol db  配置数据库的 Database Control

按照提示输入相关参数

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emca -deconfig dbcontrol db

删除数据库的 Database Control配置

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3.emctl start dbconsole    启动em

[oracle@orcl11g ~]$ emctl start dbconsole

Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0 

Copyright (c) 1996, 2009 Oracle Corporation.  All rights reserved.

https://orcl11g:5500/em/console/aboutApplication

Starting Oracle Enterprise Manager 11g Database Control ........................ started. 

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

Logs are generated in directory /u01/oracle/product/11.1/orcl11g_orcl/sysman/log 

注：

在第二部的配置数据库的Database Contorl时报如下错误

Nov 10, 2013 8:48:04 PM oracle.sysman.emcp.EMConfig perform

INFO: This operation is being logged at /u01/oracle/product/cfgtoollogs/emca/orcl/emca_2013_11_10_20_47_37.log.

Nov 10, 2013 8:48:05 PM oracle.sysman.emcp.DatabaseChecks performReposChecks

SEVERE: 'job_queue_processes' must be greater than or equal to 1.  Fix the error(s) and run EM Configuration Assistant again in standalone mode.

Nov 10, 2013 8:48:05 PM oracle.sysman.emcp.EMConfig perform

SEVERE: 'job_queue_processes' must be greater than or equal to 1.  Fix the error(s) and run EM Configuration Assistant again in standalone mode.

Refer to the log file at /u01/oracle/product/cfgtoollogs/emca/orcl/emca_2013_11_10_20_47_37.log for more details.

Could not complete the configuration. Refer to the log file at /u01/oracle/product/cfgtoollogs/emca/orcl/emca_2013_11_10_20_47_37.log for more details.

出现该错误提示说是share_pool和job_queue_processes参数不够大

可以sys用户登入数据库

alter system set share_pool_size=100M;

修改共享池大小

alter system set job_queue_processes=5;

修改任务进程请求限制为5个

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