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Ora-12514, le TNS listener ne connaît pas actuellement le service demandé dans la connexion d

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ccjb5532 Posted messages 37 Status Member -  
ccjb5532 Posted messages 37 Status Member -
Hello everyone, so when I connect to my database with system under SQL Developer, I get the following error ora-12514, but when I connect under SQL*Plus it works. I have already installed Oracle 11g on my Windows and reinstalled it, my TNSListener service is running but when I execute the command lsnrctl start it is not recognized. I even tried to modify the tnsnames and listener.ora files but an error appears saying that I do not have permission to modify them.
Thank you.

1 answer

  1.
    ccjb5532 Posted messages 37 Status Member 2
     
    I solved the problem by changing the connection type to TNS.
    0