Problem accessing database from form builder

I have been trying to access my database using form builder (
developer 6.0). Everytime, I try to connect, it displays message
saying, no "tns listener", "incorrect driver designation". But I
have already configured tns listener using 8i enterprise
edition.
I also tried to configure TNS listener using in Developer 6.0,
but it says, "port is already in use".
Can any one please help me with me this.
null

dinesh (guest) wrote:
: I have been trying to access my database using form builder (
: developer 6.0). Everytime, I try to connect, it displays
message
: saying, no "tns listener", "incorrect driver designation". But
I
: have already configured tns listener using 8i enterprise
: edition.
: I also tried to configure TNS listener using in Developer 6.0,
: but it says, "port is already in use".
: Can any one please help me with me this.
Check your TNSNAMES.ORA file that located in ORACLE HOME
FOR DEVELOPER and make sure it has right configuration
information, otherwise configure manually.Also if DB located
not on your machine check HOSTS file.(this file doesn't have any
extention)
null

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