One possibility is that the client is not set up to use SSL. Can you show the code you use to initialize the clients?
On Tue, Mar 14, 2017 at 5:03 PM 'Menghan Li' via grpc.io < grpc-io@googlegroups.com> wrote: > gRPC server expects http2.ClientPreface( > https://godoc.org/golang.org/x/net/http2#pkg-constants). > From the server side log, I can only tell that it didn't get the > ClientPreface. > > The client logs doesn't tell anything more than the connection failed. > > I'm not sure what the reason is. Can you provide more logs on both side? > I would guess something is wrong with the TLS handshake. But I'm not sure > what it is. > > On Thursday, March 9, 2017 at 8:36:00 PM UTC-8, Aakarshit Naga Sai Batchu > wrote: > > We are running a go-grpc server with TLS enabled. > When we use the go-grpc-client it works perfectly fine with the Server. > But when we try node js and python grpc clients with go-grpc server it is > throwing exceptions > > > CLient-Side-Exceptions(Node js): > > > Error: Connect Failed > > > Client-Side-Exceptions(Python): > > > grpc._channel._Rendezvous: <_Rendezvous of RPC that terminated with > (StatusCode.UNAVAILABLE, Connect Failed)> > > > Server-Side-Exceptions(Go): > > > transport: http2Server.HandleStreams failed to receive the preface from > client: EOF > > -- > You received this message because you are subscribed to the Google Groups " > grpc.io" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to grpc-io+unsubscr...@googlegroups.com. > To post to this group, send email to grpc-io@googlegroups.com. > Visit this group at https://groups.google.com/group/grpc-io. > To view this discussion on the web visit > https://groups.google.com/d/msgid/grpc-io/5b638586-06ea-4193-be4f-c9942fe17a50%40googlegroups.com > <https://groups.google.com/d/msgid/grpc-io/5b638586-06ea-4193-be4f-c9942fe17a50%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to grpc-io+unsubscr...@googlegroups.com. To post to this group, send email to grpc-io@googlegroups.com. Visit this group at https://groups.google.com/group/grpc-io. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/CAPK2-4csMCUT-ABjUev9F-ciVv64z55jyTWH43sqRbZsmV%2BjWw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
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Description: S/MIME Cryptographic Signature
