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3 Replies Latest reply: Dec 2, 2012 5:38 AM by Paul M. RSS

Database connection Error

977383 Newbie
Currently Being Moderated
Hi-

I have my application on Oracle Database. When logging into the application, error is appearing as couldnot open the database connection. please check the connection string. I could login to the database within the database server. My application is isntalled in different virtual server and we couldnt connect to the database (physical)server . While checking in the listner log file, we found that port is not handing off client connections (error : 1521).

Can any one please help?

Much Appreciate

Thanks

Treesa.
  • 1. Re: Database connection Error
    Paul M. Oracle ACE
    Currently Being Moderated
    couldnot open the database connection. please check the connection string.
    Please post the exact error code you get and how exactly you're trying to connect to the database.
  • 2. Re: Database connection Error
    977383 Newbie
    Currently Being Moderated
    Hi Paul,

    Thanks for the response.

    I was trying to login thorugh SQL plus from Oracle database server and then I received the error code:1521 (couldnot hand off client connection)

    NO error code could be seen for the other error ( couldnot connect database stirng. .)

    Treesa.
  • 3. Re: Database connection Error
    Paul M. Oracle ACE
    Currently Being Moderated
    I received the error code:1521 (couldnot hand off client connection)
    I'm sorry, but if you don't give me correct information I won't be able to help you. 1521 looks like the listener port...

    Here's what that error means :
    $ oerr ora 1521
    01521, 00000, "error in adding data files"
    // *Cause:  During CREATE or ALTER TABLESPACE, an error was detected
    //         while adding data files.
    // *Action:  Check the error stack for detailed error information.
    $

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