Hello, I am connecting to a server which has TLS support with SSL certs. I am
getting a SSL Handshake error on Android app client. I also use
useTransportSecurity() to deal with TLS negotiation type. Is there any
workaround to get away with this error without certificate pinning?
----
Caused by: java.lang.RuntimeException: protocol negotiation failed
at
io.grpc.okhttp.OkHttpProtocolNegotiator.negotiate(OkHttpProtocolNegotiator.java:96)
at
io.grpc.okhttp.OkHttpProtocolNegotiator$AndroidNegotiator.negotiate(OkHttpProtocolNegotiator.java:147)
at io.grpc.okhttp.OkHttpTlsUpgrader.upgrade(OkHttpTlsUpgrader.java:63)
at
io.grpc.okhttp.OkHttpClientTransport$2.run(OkHttpClientTransport.java:474)
at
io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
----
And this is how I generate my channel :
ManagedChannel mChannel = OkHttpChannelBuilder.forAddress(host, port)
.useTransportSecurity()
.build();
Appreciate your time and help.
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