Cause
More than one of PROTOCOL, ADDRESS or DESCRIPTION was specified.
More than one of PROTOCOL, ADDRESS or DESCRIPTION was specified.
Use only one of the attributes: PROTOCOL, ADDRESS or DESCRIPTION to specify the listening address for dispatchers.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/1228927
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