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1 Reply Latest reply: Mar 19, 2013 2:08 AM by Gary Graham RSS

SQL DEVELOPER ERROR

Ambrosiano Newbie
Currently Being Moderated
Hi Everyone,

Am having this problem trying to startup a new connection on my Oracle database 11g sql developer. when i start it up on the VMbox, it starts up but when i try to create a new connection it gives me the below error .

this is a load down of what i did,
connection name: myconnection
Username: ora1
password: ora1 (saved password)
Role: default
Connection type: Basic
Hostname: localhost
port: 1521
SID: XE

then i got the below error.

STATUS: FAILURE -TEST FAILED: The network Adapter could not establish the connection

kindly advice..
Regards
Ambrose.
  • 1. Re: SQL DEVELOPER ERROR
    Gary Graham Expert
    Currently Being Moderated
    Hi Ambrose,

    If this is all running inside the VM (maybe you are using one of the Developer Day images under VirtualBox), then it should just work. If The network Adapter could not establish the connection, that might mean the listener did not start for some reason.

    Try running
    lsnrctl status
    from a terminal console and see if it is running or not. If not, try
    lsnrctl start
    Regards,
    Gary
    SQL Developer Team

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