Below error may come when u configure oracle data source in WebSphere Application Server
The test connection operation failed for data source sample on server nodeagent at node with the following exception: java.sql.SQLException: Listener refused the connection with the following error: ORA-12514, TNS:listener does not currently know of service requested in connect descriptor DSRA0010E: SQL State = 66000, Error Code = 12,514. View JVM logs for further details.
Check the URL of oracle in your Data source configuration.
Follow my blog and subscribe my channel to get alerts to your mail when i post new video.......
Feedback and comments are most welcome....... say "hi" on comment box at least if u like.....