Tuesday, 29 March 2016

TNS-01106: Listener using listener name listener1 has already been started

Today I came across one issue with my listener. In my production environment multiple listener are running. When i started first two listener it started normally.

But when I tried to start my another listener am getting an TNS - 01106 error.

In my initial investigation I couldn't found any issues with my listener file.

But after some time i got to know that , There is a problem with my Key values in Listener.ora file.

For both the listener it has same key values after i changed the value to EXTPROC to EXTPROC4.

After changing that key value I successfully started my listener services..



Cheers..!! 
Happy Learning..!!

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