GRPC service is unstable - Stack Overflow

Question

io.grpc.StatusRuntimeException: UNKNOWN: Exception calling application: <_Rendezvous of RPC that terminated with (StatusCode.UNAVAILABLE, Endpoint read failed)>

RPC failed: Status{code=UNAVAILABLE, description=null, cause=java.net.ConnectException: Connection refused:

Call remote service GRPC reports exceptions from time to time

what is the situation? ? ?

Answer 1

Every time a new stub is created, too many connections are established without reuse, causing errors
Change to static to solve the problem