Recently we encountered issue with below error for all views. This impacted all business users in QA instance. We were not able to figure out what was the root cause. We have open case with Tableau as well. Even though, we were able to resolve issue but still would like to hear from anyone who had similar issue and know the root cause so that we can avoid going forward.
"An unexpected error occurred. If you
continue to receive this error please contact your Tableau Server
DataSourceException: Tableau Data Engine Error: 8: An error has occurred in
IPC_Socket::Recv(buffer length=16) An existing connection was forcibly closed
by the remote host
2016-01-20 00:25:41.372 (Vp7UBawQOk0AAAho0GQAAAJO,1,1)
Would you like to reset the view?'
Resolution: On two node architecture
1. Stop Services
2. Move all services from Worker Node to Primary Node except Data Engine; File Store; Repository
3. Save and start services; After start check if all views are working as expected, in our case we did not encountered the above said issue.
4. Stop services again
5. Move all services from Primary Node to Worker Node except File Store; Gateway; Search and Browse and save
6. Start services and things should be back as before without issue.