Click here to Skip to main content
15,868,016 members
Please Sign up or sign in to vote.
0.00/5 (No votes)
See more:
I am using the Oracle SQL Developer 1.5.5 got as part of Oracle 10g
getting below error.

An error was encountered performing the requested operation:

The Network Adapter could not establish the connection
Vendor code 20

Some day before its connect and work fine but now we got this type of error. I put the tnsnames and listener to for connecting the server but unable to connect.
Please Help...
Regards,
Ravi
Posted
Updated 30-Oct-17 4:54am
v2
Comments
Wild-Programmer 28-Jun-11 1:01am    
This could be a network problem. You can generate some trace at the listener level.

If u installed 11.2g database go to SERVICES and CHECK the ORACLE LISTENER is STARTED or not.If it is stop or manual please make it the ORACLE LISTENER STARTED.
i hope it will help u.
 
Share this answer
 
i have a question instead: how do i startup a listener?
 
Share this answer
 
Comments
Richard MacCutchan 30-Oct-17 11:32am    
This is not a Solution.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

  Print Answers RSS


CodeProject, 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 +1 (416) 849-8900