oracle 11g package body "SYS.DBMS_APPLICATION_INFO" does not exist

测试环境，sqlplus登录后提示如下：

package body "SYS.DBMS_APPLICATION_INFO" does not exist

检查一下，package确实在，没有package body。

重新生成，执行：$ORACLE_HOME/rdbms/admin/dbmsapin.sql

SQL> @dbmsapin.sql

Package created.

create public synonym dbms_application_info for sys.dbms_application_info
                      *
ERROR at line 1:
ORA-00955: name is already used by an existing object

Grant succeeded.

SQL>

OK.