标题: ORA-12615: TNS:preempt error [打印本页] 作者: admin 时间: 2016-8-9 11:43 标题: ORA-12615: TNS:preempt error ORA-12615: TNS:preempt error Cause: A request to servicean event failed because no event notification has yet
been posted. Action: Not normally visibleto the user. For further details, turn on tracing and
reexecute the operation. If error persists, contact Oracle Customer Support.