oracle故障一例,Oracle 10g异机恢复后EM无法启动故障处理一例

之前在自己的测试环境上做了个异机恢复，原来的库上是配置过EM的，但是在恢复的库上去启动EM就报错了，下面看具体解决过程：

PS：原主机名为zlm，恢复出来的主机名为bak

[root@bak ~]# su - Oracle

[oracle@bak ~]$ emctl status dbconsole

TZ set to PRC

OC4J Configuration issue. /u01/app/oracle/product/10.2.0/db_1/oc4j/j2ee/OC4J_DBConsole_bak_ora10g not found.

[oracle@bak ~]$ cd /u01/app/oracle/product/10.2.0/db_1/oc4j/j2ee/

[oracle@bak j2ee]$ ll

total 24

-rw-r--r-- 1 oracle oinstall 256 Aug 22 16:42 deploy_db.ini

drwxr-x--- 15 oracle oinstall 4096 Aug 22 16:29 home

drwxr-x--- 9 oracle oinstall 4096 Aug 22 16:24 isqlplus

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:24 oc4j_applications

drwxr-x--- 5 oracle oinstall 4096 Aug 22 16:24 OC4J_DBConsole

drwxr-x--- 7 oracle oinstall 4096 Aug 25 11:25 OC4J_DBConsole_zlm_ora10g

既然提示文件找不到，很显然是因为主机名变更的缘故，那么把名字变一下，用mv命令

[oracle@bak j2ee]$ mv -r OC4J_DBConsole_zlm_ora10g/ OC4J_DBConsole_bak_ora10g/

[oracle@bak j2ee]$ ll

total 24

-rw-r--r-- 1 oracle oinstall 256 Aug 22 16:42 deploy_db.ini

drwxr-x--- 15 oracle oinstall 4096 Aug 22 16:29 home

drwxr-x--- 9 oracle oinstall 4096 Aug 22 16:24 isqlplus

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:24 oc4j_applications

drwxr-x--- 5 oracle oinstall 4096 Aug 22 16:24 OC4J_DBConsole

drwxr-x--- 7 oracle oinstall 4096 Oct 20 10:58 OC4J_DBConsole_bak_ora10g

[oracle@bak j2ee]$ emctl status dbconsole

TZ set to PRC

EM Configuration issue. /u01/app/oracle/product/10.2.0/db_1/bak_ora10g not found.

[oracle@bak j2ee]$ cd /u01/app/oracle/product/10.2.0/db_1/

[oracle@bak db_1]$ ll

total 260

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:24 assistants

drwxr-xr-x 2 oracle oinstall 12288 Aug 22 16:42 bin

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:33 cdata

drwxr-x--- 6 oracle oinstall 4096 Aug 25 11:08 cfgtoollogs

drwxr-x--- 4 oracle oinstall 4096 Aug 22 16:24 clone

drwxr-x--- 2 oracle oinstall 4096 Aug 22 16:33 config

drwxr-x--- 6 oracle oinstall 4096 Aug 22 16:24 crs

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:33 css

drwxr-x--- 10 oracle oinstall 4096 Aug 22 16:33 ctx

drwxr-x--- 2 oracle oinstall 4096 Oct 20 09:17 dbs

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:24 demo

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:24 diagnostics

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:24 has

drwxr-x--- 6 oracle oinstall 4096 Aug 22 16:42 hs

drwxr-x--- 5 oracle oinstall 4096 Aug 25 11:27 install

-rw-r----- 1 oracle oinstall 37 Aug 22 16:24 install.platform

drwxr-x--- 12 oracle oinstall 4096 Aug 22 16:42 inventory

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:24 javavm

drwxr-x--- 4 oracle oinstall 4096 Aug 22 16:31 jdbc

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:32 jdk

drwxr-x--- 2 oracle oinstall 4096 Aug 22 16:32 jlib

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:24 jre

drwxr-x--- 13 oracle oinstall 4096 Aug 22 16:33 ldap

drwxr-x--- 3 oracle oinstall 12288 Aug 22 16:42 lib

drwxr-x--T 3 oracle oinstall 4096 Aug 25 11:24 log

drwxr-x--- 6 oracle oinstall 4096 Aug 22 16:24 md

drwxr-x--- 2 oracle oinstall 4096 Aug 22 16:25 mesg

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:32 mgw

drwxr-x--- 11 oracle oinstall 4096 Aug 22 16:42 network

drwxr-x--- 6 oracle oinstall 4096 Aug 22 16:24 nls

drwxr-x--- 15 oracle oinstall 4096 Aug 22 16:42 oc4j

drwxr-x--- 6 oracle oinstall 4096 Aug 22 16:24 odbc

drwxr-x--- 5 oracle oinstall 4096 Aug 22 16:24 olap

drwxr-x--- 4 oracle oinstall 4096 Aug 22 16:32 OPatch

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:32 opmn

drwxr-x--- 4 oracle oinstall 4096 Aug 22 16:24 oracore

-rw-r--r-- 1 oracle oinstall 63 Aug 22 16:22 oraInst.loc

drwxr-x--- 8 oracle oinstall 4096 Aug 22 16:24 ord

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:32 oui

drwxr-x--- 4 oracle oinstall 4096 Aug 22 16:24 owm

drwxr-x--- 6 oracle oinstall 4096 Aug 22 16:24 perl

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:25 plsql

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:24 precomp

drwxr-x--- 7 oracle oinstall 4096 Aug 22 16:33 racg

drwxr-x--- 13 oracle oinstall 4096 Aug 22 16:42 rdbms

drwxr-x--- 4 oracle oinstall 4096 Aug 22 16:31 relnotes

-rwxr-xr-x 1 oracle oinstall 9522 Aug 22 16:42 root.sh

-rwxr-xr-x 1 oracle oinstall 0 Jun 7 2005 root.sh.old

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:24 slax

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:24 sqlj

-rw-r----- 1 oracle oinstall 9338 Aug 25 11:42 sqlnet.log

drwxr-x--- 9 oracle oinstall 4096 Aug 22 16:33 sqlplus

drwxr-x--- 12 oracle oinstall 4096 Aug 22 16:33 srvm

drwxr-x--- 12 oracle oinstall 4096 Aug 22 16:33 sysman

drwxr-x--- 4 oracle oinstall 4096 Aug 22 16:24 uix

drwxr-x--- 3 oracle oinstall 4096 Aug 22 16:24 wwg

drwxr-x--- 6 oracle oinstall 4096 Aug 22 16:30 xdk

drwxr----- 3 oracle oinstall 4096 Aug 25 11:25 zlm_ora10g

这次是找不到zlm_ora10g目录，同样的，也mv为bak_ora10g

[oracle@bak db_1]$ mv zlm_ora10g bak_ora10g

[oracle@bak db_1]$ emctl status dbconsole

TZ set to PRC

Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0

http://zlm:1158/em/console/aboutApplication

Oracle Enterprise Manager 10g is not running.

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

Logs are generated in directory /u01/app/oracle/product/10.2.0/db_1/bak_ora10g/sysman/log

[oracle@bak j2ee]$ emctl start dbconsole

TZ set to PRC

Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0

http://zlm:1158/em/console/aboutApplication

Starting Oracle Enterprise Manager 10g Database Control .................................. started.

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

Logs are generated in directory /u01/app/oracle/product/10.2.0/db_1/bak_ora10g/sysman/log

无法启动，看到url里的信息是原主机zlm，分析一下提示的错误日志

[oracle@bak j2ee]$ cd /u01/app/oracle/product/10.2.0/db_1/bak_ora10g/sysman/log

[oracle@bak log]$ ll

total 1656

-rw-r----- 1 oracle oinstall 180 Aug 25 11:28 emagentfetchlet.log

-rw-r----- 1 oracle oinstall 180 Aug 25 11:28 emagentfetchlet.trc

-rw-r----- 1 oracle oinstall 500 Oct 20 11:06 emagent.log

-rw-r----- 1 oracle oinstall 42010 Oct 20 11:14 emagent.trc

-rw-r----- 1 oracle oinstall 9816 Oct 20 11:05 emdb.nohup

-rw-r----- 1 oracle oinstall 4096 Oct 20 11:05 emdb.nohup.lr

-rw-r----- 1 oracle oinstall 0 Aug 25 11:25 emdctl.log

-rw-r----- 1 oracle oinstall 7330 Oct 20 11:14 emdctl.trc

-rw-r----- 1 oracle oinstall 802261 Aug 25 11:45 emoms.log

-rw-r----- 1 oracle oinstall 802261 Aug 25 11:45 emoms.trc

[oracle@bak log]$ cat emoms.log

2014-08-25 11:26:23,952 [Orion Launcher] WARN jdbc.ConnectionCache _getConnection.303 - Got a fatal exeption when getting a connection; Error code = 17002; Cleaning up cache and retrying

2014-08-25 11:26:23,991 [Orion Launcher] WARN jdbc.ConnectionCache _getConnection.306 - Io exception: The Network Adapter could not establish the connection

java.sql.SQLException: Io exception: The Network Adapter could not establish the connection

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:111)

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:145)

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:254)

at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:386)

at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:493)

at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:164)

at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)

at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:767)

at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:324)

at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPooledConnection(OracleConnectionPoolDataSource.java:114)

at oracle.jdbc.pool.OracleConnectionCacheImpl.getNewPoolOrXAConnection(OracleConnectionCacheImpl.java:694)

at oracle.jdbc.pool.OracleConnectionCacheImpl.getPooledConnection(OracleConnectionCacheImpl.java:540)

at oracle.jdbc.pool.OracleConnectionCacheImpl.getConnection(OracleConnectionCacheImpl.java:346)

at oracle.jdbc.pool.OracleConnectionCacheImpl.getConnection(OracleConnectionCacheImpl.java:324)

at oracle.sysman.util.jdbc.ConnectionCache._getConnection(ConnectionCache.java:296)

at oracle.sysman.util.jdbc.ConnectionCache.getUnwrappedConnection(ConnectionCache.java:423)

at oracle.sysman.emSDK.svc.conn.FGAConnectionCache.getFGAConnection(FGAConnectionCache.java:156)

at oracle.sysman.emSDK.svc.conn.ConnectionService.getPrivateConnection(ConnectionService.java:605)

at oracle.sysman.emSDK.svc.conn.ConnectionService.getRepositoryVersionAndMode(ConnectionService.java:368)

at oracle.sysman.emSDK.svc.conn.ConnectionService.verifyRepositoryEx(ConnectionService.java:395)

at oracle.sysman.emSDK.svc.conn.ConnectionService.verifyRepository(ConnectionService.java:450)

at oracle.sysman.eml.app.ContextInitializer.contextInitialized(ContextInitializer.java:174)

at com.evermind.server.http.HttpApplication.initDynamic(HttpApplication.java:807)

at com.evermind.server.http.HttpApplication.(HttpApplication.java:533)

at com.evermind.server.Application.getHttpApplication(Application.java:886)

at com.evermind.server.http.HttpServer.getHttpApplication(HttpServer.java:688)

at com.evermind.server.http.HttpSite.initApplications(HttpSite.java:570)

at com.evermind.server.http.HttpSite.setConfig(HttpSite.java:263)

at com.evermind.server.http.HttpServer.setSites(HttpServer.java:259)

at com.evermind.server.http.HttpServer.setConfig(HttpServer.java:160)

at com.evermind.server.ApplicationServer.initializeHttp(ApplicationServer.java:2330)

at com.evermind.server.ApplicationServer.setConfig(ApplicationServer.java:1503)

at com.evermind.server.ApplicationServerLauncher.run(ApplicationServerLauncher.java:93)

at java.lang.Thread.run(Thread.java:534)

2014-08-25 11:26:23,999 [Orion Launcher] ERROR conn.ConnectionService verifyRepositoryEx.433 - Invalid Connection Pool. ERROR = Io exception: The Network Adapter could not establish the connection

2014-08-25 11:26:26,673 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.sysman.ias.ias.IASIntegration

2014-08-25 11:26:27,386 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.sysman.eml.target.slb.common.SLBIntegration

2014-08-25 11:26:27,676 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.sysman.eml.ssl.intg.SSLIntegration

2014-08-25 11:26:27,915 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.tip.oem.central.domain.ProcessConnectDomainIntg

2014-08-25 11:26:27,918 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.tip.oem.central.instance.ProcessConnectInstanceIntg

2014-08-25 11:26:27,932 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.webdb.admin.em.PortalIntegration

2014-08-25 11:26:27,934 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.webdb.admin.em.SSOIntegration

2014-08-25 11:26:27,937 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.reports.em.RepIntg

2014-08-25 11:26:27,940 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsEmailIntegration

2014-08-25 11:26:27,945 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsOidIntegration

2014-08-25 11:26:27,948 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsOvfIntegration

2014-08-25 11:26:27,970 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsWebconfIntegration

2014-08-25 11:26:27,975 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsWirelessIntg

2014-08-25 11:26:27,978 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.271 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsCalGrpIntegration

刷屏了，中间省略相同错误一堆，按Ctrl+C才终止的

2014-08-25 11:29:24,713 [HttpRequestHandler-23603795] ERROR conn.ConnectionService verifyRepositoryEx.433 - Invalid Connection Pool. ERROR = Io exception: The Network Adapt

怀疑是否是因为监听没起来的缘故，先启动监听

[oracle@bak log]$ lsnrctl status

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 20-OCT-2014 11:15:26

Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))

TNS-12541: TNS:no listener

TNS-12560: TNS:protocol adapter error

TNS-00511: No listener

Linux Error: 111: Connection refused

[oracle@bak log]$ lsnrctl start

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 20-OCT-2014 11:15:29

Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 10.2.0.1.0 - Production

Log messages written to /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log

Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=bak)(PORT=1521)))

Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))

STATUS of the LISTENER

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

Alias LISTENER

Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production

Start Date 20-OCT-2014 11:15:29

Uptime 0 days 0 hr. 0 min. 0 sec

Trace Level off

Security ON: Local OS Authentication

SNMP OFF

Listener Log File /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log

Listening Endpoints Summary...

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=bak)(PORT=1521)))

The listener supports no services

The command completed successfully

[oracle@bak log]$ lsnrctl status

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 20-OCT-2014 11:16:17

Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))

STATUS of the LISTENER

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

Alias LISTENER

Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production

Start Date 20-OCT-2014 11:15:29

Uptime 0 days 0 hr. 0 min. 48 sec

Trace Level off

Security ON: Local OS Authentication

SNMP OFF

Listener Log File /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log

Listening Endpoints Summary...

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=bak)(PORT=1521)))

Services Summary...

Service "ora10g" has 1 instance(s).

Instance "ora10g", status READY, has 1 handler(s) for this service...

Service "ora10gXDB" has 1 instance(s).

Instance "ora10g", status READY, has 1 handler(s) for this service...

Service "ora10g_XPT" has 1 instance(s).

Instance "ora10g", status READY, has 1 handler(s) for this service...

The command completed successfully

[oracle@bak log]$ emctl status dbconsole

TZ set to PRC

Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0

http://zlm:1158/em/console/aboutApplication

Oracle Enterprise Manager 10g is not running.

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

Logs are generated in directory /u01/app/oracle/product/10.2.0/db_1/bak_ora10g/sysman/log

显然，EM启动不了不是监听的问题，那么重新配置一下EM是否会有效呢？

[oracle@bak log]$ emca -config dbcontrol db

STARTED EMCA at Oct 20, 2014 11:22:43 AM

EM Configuration Assistant, Version 10.2.0.1.0 Production

Enter the following information: --注意，此处信息需要手动输入

Database SID: ora10g

Database Control is already configured for the database ora10g

You have chosen to configure Database Control for managing the database ora10g

This will remove the existing configuration and the default settings and perform a fresh configuration

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

Listener port number: 1521

Password for SYS user:

Password for DBSNMP user:

Password for SYSMAN user:

Password for SYSMAN user: oEmail address for notifications (optional):

Invalid email.

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/10.2.0/db_1

Database hostname ................ bak

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

Database SID ................ ora10g

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

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

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

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

Oct 20, 2014 11:24:36 AM oracle.sysman.emcp.EMConfig perform

INFO: This operation is being logged at /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/emca/ora10g/emca_2014-10-20_11-22-43-AM.log.

Oct 20, 2014 11:24:49 AM oracle.sysman.emcp.util.DBControlUtil stopOMS

INFO: Stopping Database Control (this may take a while) ...

Oct 20, 2014 11:25:53 AM oracle.sysman.emcp.ParamsManager getLocalListener

WARNING: Error retrieving listener for bak

Oct 20, 2014 11:26:15 AM oracle.sysman.emcp.EMConfig perform

SEVERE: Cannot start Database Control. The following ports are already in use: [EM agent port:3938].

Refer to the log file at /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/emca/ora10g/emca_2014-10-20_11-22-43-AM.log for more details.

Could not complete the configuration. Refer to the log file at /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/emca/ora10g/emca_2014-10-20_11-22-43-AM.log for more details.

[oracle@bak log]$ cat /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/emca/ora10g/emca_2014-10-20_11-22-43-AM.log

发现也是一堆报错，其中有一段是这样的，显示地主机命名还是之前旧的信息(原来的主机名为zlm，现在的为bak)：

CONFIG: emdProps: /u01/app/oracle/product/10.2.0/db_1/bak_ora10g/sysman/config/emd.properties url: http://zlm:1158/em

Oct 20, 2014 11:24:49 AM oracle.sysman.emcp.EMDBPreConfig isDBControlSecure

CONFIG: isDbcSecure: false

Oct 20, 2014 11:24:49 AM oracle.sysman.emcp.ParamsManager setFlag

CONFIG: Flag 'IS_DBCONSOLE_SECURED' set to false

Oct 20, 2014 11:24:49 AM oracle.sysman.emcp.util.DBControlUtil stopOMS

INFO: Stopping Database Control (this may take a while) ...

Oct 20, 2014 11:24:49 AM oracle.sysman.emcp.util.PlatformInterface getSortedEnvArray

CONFIG: New Env List: [DISPLAY=, NEED_EXIT_CODE=1, ORACLE_SID=ora10g, PATH=/usr/sbin:/u01/app/oracle/product/10.2.0/db_1/bin:/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/mysql/bin:/usr/local/mysql/bin:/home/oracle/bin, TZ=]

Oct 20, 2014 11:24:49 AM oracle.sysman.emcp.util.PlatformInterface executeCommand

CONFIG: Starting execution: /u01/app/oracle/product/10.2.0/db_1/bin/emctl stop dbconsole

Oct 20, 2014 11:25:43 AM oracle.sysman.emcp.util.PlatformInterface executeCommand

CONFIG: Exit value of 0

Oct 20, 2014 11:25:43 AM oracle.sysman.emcp.util.PlatformInterface executeCommand

CONFIG: Execution of /u01/app/oracle/product/10.2.0/db_1/bin/emctl stop dbconsole completed successfully

Oct 20, 2014 11:25:43 AM oracle.sysman.emcp.util.PlatformInterface executeCommand

CONFIG: TZ set to PRC

Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0

http://zlm:1158/em/console/aboutApplication

Stopping Oracle Enterprise Manager 10g Database Control ...

... Stopped.

看来仅仅重新配置一下EM资料库是不行的，需要重建一下(先删除，后创建)

[oracle@bak log]$ emca -repos recreate

shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory

Error occurred during initialization of VM

java.lang.Error: Properties init: Could not determine current working directory.

该错误表示 getcwd 命令无法定位到当前工作目录。一般来说是因为 cd 到了某个目录之后又rm 了这个目录这时去执行某些命令就会报 getcwd错误，只需要 cd 到任何一个实际存在的目录下在执行命令即可。

出现这种现象的原因还有，当前用户没有当前目录的可执行权限，如没有正确设置ORACLE_SID环境变量，我这里属于这种情况。

[oracle@bak log]$ set ORACLE_SID=ora10g

[oracle@bak log]$ emca -repos recreate

STARTED EMCA at Oct 20, 2014 11:49:36 AM

EM Configuration Assistant, Version 10.2.0.1.0 Production

Enter the following information:

Database SID: ora10g

Listener port number: 1521

Password for SYS user:

Password for SYSMAN user:

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

Oct 20, 2014 11:49:59 AM oracle.sysman.emcp.EMConfig perform

INFO: This operation is being logged at /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/emca/ora10g/emca_2014-10-20_11-49-36-AM.log.

Oct 20, 2014 11:50:01 AM oracle.sysman.emcp.EMReposConfig dropRepository--删除

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

Oct 20, 2014 11:54:25 AM oracle.sysman.emcp.EMReposConfig invoke

INFO: Repository successfully dropped

Oct 20, 2014 11:54:25 AM oracle.sysman.emcp.EMReposConfig createRepository--创建

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

Oct 20, 2014 11:59:58 AM oracle.sysman.emcp.EMReposConfig invoke

INFO: Repository successfully created

Enterprise Manager configuration completed successfully

FINISHED EMCA at Oct 20, 2014 11:59:58 AM

可以看到3个successfully，重建后并把em配置也重新刷了一遍

[oracle@bak log]$ emctl status dbconsole

TZ set to PRC

Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0

http://bak:1158/em/console/aboutApplication --重建EM资料库后，现在的主机名已经更正为“bak”了

Oracle Enterprise Manager 10g is not running.

再次重新启动EM

[oracle@bak log]$ emctl start dbconsole

TZ set to PRC

Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0

http://bak:1158/em/console/aboutApplication

Agent Version : 10.1.0.4.1

OMS Version : Unknown

Protocol Version : 10.1.0.2.0

Agent Home : /u01/app/oracle/product/10.2.0/db_1/bak_ora10g

Agent binaries : /u01/app/oracle/product/10.2.0/db_1

Agent Process ID : 29136

Parent Process ID : 28566

Agent URL : http://zlm:3938/emd/main --agent还是有原主机残留信息，没有更新，不过不影响登陆EM

Started at : 2014-10-20 11:05:11

Started by user : oracle

Last Reload : 2014-10-20 11:05:11

Last successful upload : (none)

Last attempted upload : (none)

Total Megabytes of XML files uploaded so far : 0.00

Number of XML files pending upload : 40

Size of XML files pending upload(MB) : 5.84

Available disk space on upload filesystem : 5.14%

Agent is already started. Will restart the agent

Stopping agent ... stopped.

Starting Oracle Enterprise Manager 10g Database Control ........ started.

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

Logs are generated in directory /u01/app/oracle/product/10.2.0/db_1/bak_ora10g/sysman/log

[oracle@bak log]$ emctl status dbconsole

TZ set to PRC

Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0

http://bak:1158/em/console/aboutApplication

Oracle Enterprise Manager 10g is running.

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

Logs are generated in directory /u01/app/oracle/product/10.2.0/db_1/bak_ora10g/sysman/log

[oracle@bak log]$

通过重建EM后，就可以用web浏览器登陆EM管理界面了，新的url为：http://bak:1158/em

总结：

遇到各种原因造成的EM无法登陆的问题，通常是因为旧的EM资料库配置有问题，或者是因为改变了主机或IP地址所造成，可以使用emca -repos recreate重建，就能直接解决问题，仅仅通过emca -config dbconsole db来重新配置是不够彻底的，因为还会有之前错误信息的残留，除了这几个命令外，emca还有很多其他参数，可以通过emca --help查看，这里就不列举了。

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