java.lang.IllegalArgumentException: Jetty ALPN/NPN has not been properly configured

Question

Getting java.lang.IllegalArgumentException: Jetty ALPN/NPN has not been properly configured, while using gRPC(google pub/sub) to publish/consumes messa

Answer 1

Adding the ALPN client JAR which matches my JDK version fixed this issue for me. In eclipse, you need to set up the jar as a bootstrap entry for the tomcat server.

You can find more info about it here : https://medium.com/@Parithi/jetty-alpn-npn-has-not-been-properly-configured-solution-418417ee6502