ORA-12198：TNS
错误码
错误描述：TNS
错误原因：Could not navigate a path through Interchanges to the destination. This error occurs if an invalid community is in the address string, or the address includes a protocol that is not available or the TNSNAV.ORA file does not have a correct CMANAGER address specified or the Interchange is down.
解决方法：Assure that Interchanges necessary to get to the desired destination are up and have available capacity for an additional connection. Also check that the correct community and protocol have been specified in the CMANAGER address used.
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