Re: Error TNS already in use during datamart ETL

  • From: Jared Still <jkstill@xxxxxxxxx>
  • To: saad4u@xxxxxxxxx
  • Date: Fri, 16 Apr 2010 09:19:18 -0700

On Thu, Apr 15, 2010 at 7:55 PM, Saad Khan <saad4u@xxxxxxxxx> wrote:

>
> Any expert opinion folks??
>
>
I am not going to claim expert status on this - I've never seen the error.

The context of the error though tells me that some process is attempting
start the listener on port 1526, and there is already a process using port
1526 - probably the listener that is already running.

Verify what processes are attached to the port with fuser.
This must be run as root:
    fuser -v -n tcp 1526

example:

 fuser -v -n tcp 1521
here: 1521

                     USER        PID ACCESS COMMAND
1521/tcp             oracle    16134 f....  tnslsnr


Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
Oracle Blog: http://jkstill.blogspot.com
Home Page: http://jaredstill.com

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