Please ping athena server from the tableau server and see if any blocked ports or firewall blocking.
hope it helps.
Thanks alot for your time to reply me on the problem.
I have seen this doc.
My problem is that I can not able to see the connection tab in my tableau server installed in ubuntu.
https://prnt.sc/k2te2a (This connection dialogue box is not showing there)
Is this a configuration error or something else.
Hope to get a reply soon!!
Please raise ticket with tableau support.They may help you out.
What tableau desktop version are you using? If the version is 10.3 or higher, then Amazon Athena data connector should be available.