转)Oracle 10G重建EM DB Control ----(java.lang.Exception: Exception in sending Request :: null)

本文介绍了解决Oracle10G环境下企业管理器(EM)出现的各种问题的方法,包括重建EM资料库、调整时区设置等操作步骤。通过使用emca命令及修改配置文件,可以有效解决EM无法正常使用的问题。

Oracle 10G重建EM DB Control.
1.drop configuration files and repository run :
emca -deconfig dbcontrol db -repos drop


2. Logon SQLPLUS as user SYS or SYSTEM, and drop the sysman account and mangement objects:
a. drop user sysman cascade;
b. drop role MGMT_USER;
c. drop user MGMT_VIEW cascade;
d. drop public synonym MGMT_TARGET_BLACKOUTS;
e. drop public synonym SETEMVIEWUSERCONTEXT;

3.Create configuration files and repository run
emca -config dbcontrol db -repos create

创建EM时,提示的端口号,应为实例的断口号,比如1521,不是EM的端口号(比如1158)
EM的端口号在这个文件中可以查到10.2.0/db_1/sysman/config/emca.properties

然后,进行em后,界面出来了,但报了一个错:
java.lang.Exception: Exception in sending Request :: null
很多功能不能用,提示重新登录.
在Oracle论坛上查到了解决办法:
http://forums.oracle.com/forums/thread.jspa?threadID=320574&tstart=0&messageID=1374397
找到下面的文件
10.2.0/db_1/ZYKNET_ORC2/sysman/config/emd.properties
其中的agentTZRegion缺省是GMT,改为你所在的时区即可,例如:
agentTZRegion=Asia/Chungking
关于时区的列表参考:10.2.0/db_1/sysman/admin/supportedtzs.lst
然后,重启OracleDBConsole

 

 

在10g 中,我们可能会经常遇到OEM不能正常使用的问题,但导致问题的原因不尽相同,最后绝大多数问题可以通过emca 这个命令来解决,详细的说明可以查看连机帮助,下面给出一些常用的命令,及实例步骤.

创建一个EM资料库
emca -repos create
重建一个EM资料库
emca -repos recreate
删除一个EM资料库
emca -repos drop
配置数据库的 Database Control
emca -config dbcontrol db
删除数据库的 Database Control配置
emca -deconfig dbcontrol db
重新配置db control的端口,默认端口在1158
emca -reconfig ports
emca -reconfig ports -dbcontrol_http_port 1160
emca -reconfig ports -agent_port 3940
先设置ORACLE_SID环境变量后,启动EM console服务
emctl start dbconsole
先设置ORACLE_SID环境变量后,停止EM console服务
emctl stop dbconsole
先设置ORACLE_SID环境变量后,查看EM console服务的状态
emctl status dbconsole

配置dbconsole的步骤
emca -repos create
emca -config dbcontrol db
emctl start dbconsole
重新配置dbconsole的步骤
emca -repos drop
emca -repos create
emca -config dbcontrol db
emctl start dbconsole

PackageManager: System package ecarx.ads no longer exists; it's data will be wiped[2025-07-18 10:21:15.406] 01-01 08:00:12.782 1358 1358 I PackageManager: Finished scanning system apps. Time: 133 ms, packageCount: 74 , timePerPackage: 1 , cached: 128[2025-07-18 10:21:15.406] 01-01 08:00:12.786 1358 1358 E System : ******************************************[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : ************ Failure starting system services[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : java.lang.NullPointerException: Attempt to read from field 'com.android.server.pm.PackageSignatures com.android.server.pm.PackageSettingBase.signatures' on a null object reference[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.pm.PackageManagerService.assertPackageIsValid(PackageManagerService.java:11584)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.pm.PackageManagerService.scanPackageNewLI(PackageManagerService.java:10427)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.pm.PackageManagerService.addForInitLI(PackageManagerService.java:9192)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.pm.PackageManagerService.scanPackageChildLI(PackageManagerService.java:8881)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.pm.PackageManagerService.scanDirLI(PackageManagerService.java:8720)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.pm.PackageManagerService.scanDirTracedLI(PackageManagerService.java:8673)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.pm.PackageManagerService.<init>(PackageManagerService.java:2977)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.pm.PackageManagerService.main(PackageManagerService.java:2378)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.SystemServer.startBootstrapServices(SystemServer.java:649)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.SystemServer.run(SystemServer.java:450)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.server.SystemServer.main(SystemServer.java:311)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at java.lang.reflect.Method.invoke(Native Method)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E System : at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:891)[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E Zygote : System zygote died with exception[2025-07-18 10:21:15.406] 01-01 08:00:12.787 1358 1358 E Zygote : java.lang.NullPointerException: Attempt to read from field 'com.android.server.pm.PackageSignatures com.android.server.pm.PackageSettingBase.signatures' on a null object reference[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.pm.PackageManagerService.assertPackageIsValid(PackageManagerService.java:11584)[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.pm.PackageManagerService.scanPackageNewLI(PackageManagerService.java:10427)[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.pm.PackageManagerService.addForInitLI(PackageManagerService.java:9192)[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.pm.PackageManagerService.scanPackageChildLI(PackageManagerService.java:8881)[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.pm.PackageManagerService.scanDirLI(PackageManagerService.java:8720)[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.pm.PackageManagerService.scanDirTracedLI(PackageManagerService.java:8673)[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.pm.PackageManagerService.<init>(PackageManagerService.java:2977)[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.pm.PackageManagerService.main(PackageManagerService.java:2378)[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.SystemServer.startBootstrapServices(SystemServer.java:649)[2025-07-18 10:21:15.437] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.SystemServer.run(SystemServer.java:450)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.server.SystemServer.main(SystemServer.java:311)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E Zygote : at java.lang.reflect.Method.invoke(Native Method)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E Zygote : at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:891)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 D AndroidRuntime: Shutting down VM[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: *** FATAL EXCEPTION IN SYSTEM PROCESS: main[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: java.lang.NullPointerException: Attempt to read from field 'com.android.server.pm.PackageSignatures com.android.server.pm.PackageSettingBase.signatures' on a null object reference[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.pm.PackageManagerService.assertPackageIsValid(PackageManagerService.java:11584)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.pm.PackageManagerService.scanPackageNewLI(PackageManagerService.java:10427)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.pm.PackageManagerService.addForInitLI(PackageManagerService.java:9192)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.pm.PackageManagerService.scanPackageChildLI(PackageManagerService.java:8881)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.pm.PackageManagerService.scanDirLI(PackageManagerService.java:8720)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.pm.PackageManagerService.scanDirTracedLI(PackageManagerService.java:8673)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.pm.PackageManagerService.<init>(PackageManagerService.java:2977)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.pm.PackageManagerService.main(PackageManagerService.java:2378)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.SystemServer.startBootstrapServices(SystemServer.java:649)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.SystemServer.run(SystemServer.java:450)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.server.SystemServer.main(SystemServer.java:311)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method)[2025-07-18 10:21:15.468] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)[2025-07-18 10:21:15.500] 01-01 08:00:12.787 1358 1358 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:891)[2025-07-18 10:21:15.500] 01-01 08:00:12.788 1358 1358 E AndroidRuntime: Error reporting crash[2025-07-18 10:21:15.500] 01-01 08:00:12.788 1358 1358 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke interface method 'void android.app.IActivityManager.handleApplicationCrash(android.os.IBinder, android.app.ApplicationErrorReport$ParcelableCrashInfo)' on a null object reference[2025-07-18 10:21:15.500] 01-01 08:00:12.788 1358 1358 E AndroidRuntime: at com.android.internal.os.RuntimeInit$KillApplicationHandler.uncaughtException(RuntimeInit.java:143)[2025-07-18 10:21:15.500] 01-01 08:00:12.788 1358 1358 E AndroidRuntime: at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1068)[2025-07-18 10:21:15.500] 01-01 08:00:12.788 1358 1358 E AndroidRuntime: at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1063)[2025-07-18 10:21:15.500] 01-01 08:00:12.788 1358 1358 E AndroidRuntime: at java.lang.Thread.dispatchUncaughtException(Thread.java:1955)[2025-07-18 10:21:15.500] 01-01 08:00:12.788 1358 1358 I Process : Sending signal. PID: 1358 SIG: 9[2025-07-18 10:21:15.500]
07-19
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