Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Stack Overflow by richs
, 1 year ago
Jetty ALPN/NPN has not been properly configured.
via Stack Overflow by 이재영
, 1 year ago
via Stack Overflow by C D
, 4 months ago
ALPN is not configured properly. See for more information.
via GitHub by naushad97
, 9 months ago
Jetty ALPN/NPN has not been properly configured.
java.lang.IllegalArgumentException: Jetty ALPN/NPN has not been properly configured. at io.grpc.netty.GrpcSslContexts.selectApplicationProtocolConfig( at io.grpc.netty.GrpcSslContexts.configure( at io.grpc.netty.GrpcSslContexts.configure( at io.grpc.netty.GrpcSslContexts.forClient( at io.grpc.netty.NettyChannelBuilder.createProtocolNegotiator( at io.grpc.netty.NettyChannelBuilder$NettyTransportFactory.newClientTransport( at io.grpc.internal.CallCredentialsApplyingTransportFactory.newClientTransport( at io.grpc.internal.TransportSet.startNewTransport( at io.grpc.internal.TransportSet.obtainActiveTransport( at io.grpc.internal.ManagedChannelImpl$3.getTransport( at io.grpc.internal.ManagedChannelImpl$3.getTransport( at io.grpc.DummyLoadBalancerFactory$DummyLoadBalancer$1.get( at io.grpc.internal.DelayedClientTransport$ at java.util.concurrent.ThreadPoolExecutor.runWorker( at java.util.concurrent.ThreadPoolExecutor$ at