TNS-12518 Can Not Connect To RAC 11gR2 Database
Last updated on AUGUST 25, 2017
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Oracle Net Services - Version 18.104.22.168 to 22.214.171.124 [Release 12.1]
Information in this document applies to any platform.
***Checked for relevance on 03-May-2013***
Just installed and configured 11gR2 Grid Infrastructure and database, sqlplus can not connect to the new 11.2 database using SCAN connection.
SQL*Plus: Release 126.96.36.199.0 Production on Wed Mar 24 17:40:48 2010
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ORA-12537: TNS:connection closed
From the listener.log:
TNS-12518: TNS:listener could not hand off client connection
TNS-12547: TNS:lost contact
TNS-12560: TNS:protocol adapter error
TNS-00517: Lost contact
Linux Error: 32: Broken pipe
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