Status: Failure -Test Failed: Io Error: the Network Adapter Could Not Establish the Connection in Oracle Sql Developer
Currently, I'm Using Ubuntu 20.04 and I've Tried So Much but Still Not Able to Solve It. 1 Answer According to This Answer on Stack Overflow, You May Try the...
Currently, I'm using ubuntu 20.04 and I've tried so much but still not able to solve it.
1 Answer
According to this answer on Stack Overflow, you may try the following:
- Make sure your tnsnames.ora is complete and has the databases you wish to connect to
- Make sure you can tnsping the server you wish to connect to
- On the server, make sure it will be open on the port you desire with the specific application you are using.
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