Connection failed: Failed to connect: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor , caused by: NetException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
I verified in the server with SQL plus i was able to connect successfully ; verified environment variables ; verified TNS names file