oracle 建库时提示enterprise manager配置出错，启动database control 出错

2009-4-14 21:13:23 oracle.sysman.emcp.EMConfig perform
严重: 启动 Database Control 时出错
有关详细资料, 请参阅 D:\oracle\product\10.2.0\db_1\cfgtoollogs\dbca\gov\emConfig.log 中的日志文件。
2009-4-14 21:13:23 oracle.sysman.emcp.EMConfig perform
配置: Stack Trace: 
oracle.sysman.emcp.exception.EMConfigException: 启动 Database Control 时出错
at oracle.sysman.emcp.EMDBPostConfig.performConfiguration(EMDBPostConfig.java:569)
at oracle.sysman.emcp.EMDBPostConfig.invoke(EMDBPostConfig.java:181)
at oracle.sysman.emcp.EMDBPostConfig.invoke(EMDBPostConfig.java:150)
at oracle.sysman.emcp.EMConfig.perform(EMConfig.java:155)
at oracle.sysman.assistants.util.em.EMConfiguration.run(EMConfiguration.java:430)
at java.lang.Thread.run(Thread.java:534)
2009-4-14 21:20:15 oracle.sysman.emcp.EMConfig perform
信息: 正在将此操作记录到 D:\oracle\product\10.2.0\db_1\cfgtoollogs\dbca\gov\emConfig.log。