What are the steps to reproduce your problem?
Don't know yet. We just start the important and the errors occur on the engine and optimize
What is the problem?
Some variable instances cannot be imported.
ERROR o.c.o.s.i.f.EngineEntityFetcherImpl - Could not fetch historic variable instances from engine. Please check the connection!
javax.ws.rs.ProcessingException: java.net.SocketTimeoutException: Read timed out
Can you check the log and maybe find out what the issue is here?
What would be the expected behavior:
All variable instances are imported