oracle创建资料档案库时出错,oracle11g EM创建资料档案库失败

日记中报错如下：

信息: 正在创建 EM 资料档案库 (此操作可能需要一段时间)...

2014-5-15 13:43:15 oracle.sysman.emcp.EMReposConfig createRepository

配置: ORA-00955: 名称已由现有对象使用

oracle.sysman.assistants.util.sqlEngine.SQLFatalErrorException: ORA-00955: 名称已由现有对象使用

at oracle.sysman.assistants.util.sqlEngine.SQLEngine.executeImpl(SQLEngine.java:1655)

at oracle.sysman.assistants.util.sqlEngine.SQLEngine.executeScript(SQLEngine.java:1005)

at oracle.sysman.assistants.util.sqlEngine.SQLPlusEngine.executeScript(SQLPlusEngine.java:339)

at oracle.sysman.assistants.util.sqlEngine.SQLPlusEngine.executeScript(SQLPlusEngine.java:380)

at oracle.sysman.emcp.EMReposConfig.createRepository(EMReposConfig.java:511)

at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:229)

at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:158)

at oracle.sysman.emcp.EMConfig.perform(EMConfig.java:253)

at oracle.sysman.emcp.EMConfigAssistant.invokeEMCA(EMConfigAssistant.java:590)

at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1453)

at oracle.sysman.emcp.EMConfigAssistant.statusMain(EMConfigAssistant.java:574)

at oracle.sysman.emcp.EMConfigAssistant.main(EMConfigAssistant.java:522)

2014-5-15 13:43:15 oracle.sysman.emcp.EMReposConfig invoke

严重: 创建资料档案库时出错

2014-5-15 13:43:15 oracle.sysman.emcp.EMReposConfig invoke

信息: 有关详细资料, 请参阅 D:\app\ASUS\cfgtoollogs\emca\orcl\emca_repos_create_.log 中的日志文件。

2014-5-15 13:43:15 oracle.sysman.emcp.EMConfig perform

严重: 创建资料档案库时出错

有关详细资料, 请参阅 D:\app\ASUS\cfgtoollogs\emca\orcl\emca_2014_05_15_13_40_52.log 中的日志文件。

2014-5-15 13:43:15 oracle.sysman.emcp.EMConfig perform

配置: Stack Trace:

oracle.sysman.emcp.exception.EMConfigException: 创建资料档案库时出错

at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:241)

at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:158)

at oracle.sysman.emcp.EMConfig.perform(EMConfig.java:253)

at oracle.sysman.emcp.EMConfigAssistant.invokeEMCA(EMConfigAssistant.java:590)

at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1453)

at oracle.sysman.emcp.EMConfigAssistant.statusMain(EMConfigAssistant.java:574)

at oracle.sysman.emcp.EMConfigAssistant.main(EMConfigAssistant.java:522)

2014-5-15 13:43:15 oracle.sysman.emcp.EMConfig restoreOuiLoc

配置: Restoring oracle.installer.oui_loc to D:\app\ASUS\product\11.2.0\dbhome_1\oui

请问大家怎么解决？在此先谢谢了