This can be fixed by using "*netty-tcnative-boringssl-static*" library.
On Thursday, November 1, 2018 at 7:25:46 AM UTC-7, [email protected] wrote: > > I want to set-up SSL on my GRPC server. Here is what I'm doing: > > File certChain = new File("conf/server.crt"); > File privateKey = new File("conf/pkcs8_key.pem"); > > > Server server = NettyServerBuilder.forPort(8080) > .useTransportSecurity(certChain, privateKey) > .addService(new HelloWorldService()) > .build(); > > *I am getting following error stack:* > > Exception in thread "main" java.lang.IllegalArgumentException: Jetty ALPN/NPN > has not been properly configured. > at io.grpc.netty.GrpcSslContexts.selectApplicationProtocolConfig( > GrpcSslContexts.java:162) > at io.grpc.netty.GrpcSslContexts.configure(GrpcSslContexts.java:136) > at io.grpc.netty.GrpcSslContexts.configure(GrpcSslContexts.java:124) > at io.grpc.netty.GrpcSslContexts.forServer(GrpcSslContexts.java:104) > at io.grpc.netty.NettyServerBuilder.useTransportSecurity( > NettyServerBuilder.java:404) > at server.MyServer.main(MyServer.java:22) > Caused by: java.lang.ClassNotFoundException: org/eclipse/jetty/alpn/ALPN > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:348) > at io.grpc.netty.JettyTlsUtil.isJettyAlpnConfigured(JettyTlsUtil.java:34) > at io.grpc.netty.GrpcSslContexts.selectApplicationProtocolConfig( > GrpcSslContexts.java:153) > ... 5 more > > > *Here is my gradle dependency block:* > > dependencies { > compile("io.grpc:grpc-netty:1.7.0") > compile("io.grpc:grpc-protobuf:1.7.0") > compile("io.grpc:grpc-stub:1.7.0") > > compile group: 'io.netty', name: 'netty-handler', version: '4.1.16.Final' > compile group: 'io.netty', name: 'netty-tcnative-boringssl-static', > version: '2.0.6.Final' > compile group: 'com.google.gradle', name: 'osdetector-gradle-plugin', > version: '1.2.1' > > } > > > Grpc doesn't think I have OpenSSL as SSLProvider available. > private static SslProvider defaultSslProvider() { > return OpenSsl.isAvailable() ? SslProvider.OPENSSL : SslProvider.JDK; > } > > Yet, for OpenSSL to be available, I need *netty-tcnative-boringssl-static > *on my classpath. Which I have. > > Even with JDK as SSLProvider, I don't understand why can't it load class > in this grpc internal method: > > static synchronized boolean isJettyAlpnConfigured() { > try { > Class.forName("org.eclipse.jetty.alpn.ALPN", true, null); > return true; > } catch (ClassNotFoundException e) { > jettyAlpnUnavailabilityCause = e; > return false; > } > } > > I do have ALPN in my classpath, as well. > > > Any help is appreciated!! > > -- 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 [email protected]. To post to this group, send email to [email protected]. 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/481b8979-4d4a-427e-892e-dd933be92728%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
