HANA Studio - Cannot connect to jdbc:sap:// | Cannot connect to host

[tobias_ptz]

Hello,

I have a very strange problem after a simple update of my HANA Studio, I cannot connect to any DB anymore.

Connection Failed:
com.sap.db.jdbc.exceptions.JDBCDriverException: SAP DBTech JDBC: Cannot connect to jdbc:sap://<fqdn>:30013/ [Cannot connect to host <fqdn>/10.10.10.10:30013 [java.io.IOException: Ein Vorgang bezog sich auf ein Objekt, das kein Socket ist: <fqdn>:30013], -813.].

What's I've done:

- telnet connection to server and all hdb ports (working)

- checked notes: eg. 2551889 - Add a Tenant to the HANA Studio failed - "Database connection is not available; see error log" (not working)

- Uninstall (+delete folders) and reinstall HANA Studio with newest Studio packages from SAP (not working)

- Install HANA Studio with Eclipse installer and added HANA Features (not working)

- Test connection through JAVA Project (JDBC) via Eclipse (not working)

- Install HANA Client + test connection via hdbsql (working)

- Test connection with JAVA Command (java -jar ngdbc.jar) (not working)

- Test with different JAVA versions (Oracle/OpenJDK/SAPMachine/Studio JVM) and ngdbc.jar versions (not working)

- Activated tracing/debug for ngdbc.jar, but nothing was written (not working)

Always get the same error message that there's no socket for object <server>, always in German.

It seems to be a JAVA issue, but don't get more information what's going on.

Any ideas how to get working debug trace?

Thank you!

Best regards,

Tobias

[tobias_ptz · Accepted solution]

Workaround: Downgrade to Version: 2.3.41 and everything is working fine.

Don't know what's the problem with higher releases.

[former_member143869 · Accepted solution]

Thanks, it has worked !