Sounds like an issue on HANA side.
For the Web Dispatcher side, there is a lot of documentation in note 1855097: SAP Web Dispatcher support for SAP HANA XS load distribution and failover.
Sounds like an issue on HANA side.
For the Web Dispatcher side, there is a lot of documentation in note 1855097: SAP Web Dispatcher support for SAP HANA XS load distribution and failover.