Last updated on FEBRUARY 07, 2017
Applies to:
Oracle Net Services - Version 10.2.0.2 to 11.2.0.4 [Release 10.2 to 11.2]Information in this document applies to any platform.
Checked for relevance on 7-MAY-2010.
Symptoms
When we try to start the listener it is failing with permissions errors:
LSNRCTL> start Starting /app/oracle/product/102/bin/tnslsnr: please wait... TNSLSNR for Solaris: Version 10.2.0.3.0 - Production System parameter file is /app/oracle/product/102/network/admin/listener.ora Log messages written to /app/oracle/product/102/network/log/listener.log Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=meta4))) Error listening on: (DESCRIPTION=(address=(protocol=ipc)(key=meta3))) TNS-12546: TNS:permission denied TNS-12560: TNS:protocol adapter error TNS-00516: Permission denied Solaris Error: 13: Permission denied
OR
$ lsnrctl start LISTENER LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 11-JUN-2007 11:05:52 Copyright (c) 1991, 2005, Oracle. All rights reserved. Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait... TNSLSNR for Linux: Version 10.2.0.1.0 - Production System parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC2))) TNS-12555: TNS:permission denied TNS-12560: TNS:protocol adapter error TNS-00525: Insufficient privilege for operation Linux Error: 1: Operation not permitted Listener failed to start. See the error message(s) above...
OR
We have multiple Oracle Homes with listeners running from under different OS users or we are/have been running the same listener under different OS user(s).
Changes
One or more of the following items:
- Some IPC keys have been reused from older listener(s)
- Same listener has previously been started under different OS users
- Listeners running under different OS users are using the same IPC keys
- Permissions in /var/tmp have been previously reset.
Cause
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