ORA-12514 TNS:listener does not currently know of service requested in connect descriptor

Posted by Jacques on Stack Overflow See other posts from Stack Overflow or by Jacques
Published on 2012-05-28T15:07:05Z Indexed on 2012/11/08 11:02 UTC
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oracle11g

We have an application running locally which two days worked fine and now we get the: TNS:listener does not currently know of service requested in connect descriptor error.

I've tested the connection using TNSPing which resolved correctly and Tried SQLPlus to try connecting, which failed with the same error. (i.e. Sqlplus username/passowrd@addressname[or host name] The TNS Listener on the server is running. Oracle itself on the server is running.

We don't know of any changes that were made to this environment. Anything else we can test to figure this one out?

Thanks, Jacques

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