Listener throws "Not a directory" OS error when starting (Doc ID 793564.1)

Last updated on MARCH 27, 2009

Applies to:

Oracle Net Services - Version: 10.1.0.3.0 to 11.1.0.7
Generic UNIX
Generic Linux

Symptoms

When trying to start the Database listener, either using an installation tool or manually, an error stack similar to the following is thrown and recorded in the listener log: 

...
TNS-12560: TNS:protocol adapter error
  TNS-00530: Protocol adapter error
    Linux Error: 20: Not a directory
...


As confirmation of this issue, a SUPPORT level listener trace might show the following output:
...
[22-MAR-2009 11:14:35:607] sntuscrt: entry
[22-MAR-2009 11:14:35:607] sntuscrt: failed to change permissions of dir /var/tmp/.oracle
[22-MAR-2009 11:14:35:607] sntuscrt: exit
...
[22-MAR-2009 11:14:35:609] sntusgph: fail to search /var/tmp/.oracle
[22-MAR-2009 11:14:35:609] sntusgph: exit
[22-MAR-2009 11:14:35:609] ntus2err: entry
...

Changes

Possibly manual changes to the OS structure.

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms