org.eclipse.jetty jetty-alpn-parent 9.4.8-SNAPSHOT 4.0.0 jetty-alpn-java-client Jetty :: ALPN :: JDK9 Client Implementation ${project.groupId}.alpn.java.client maven-compiler-plugin 1.9 1.9 9 org.eclipse.jetty jetty-alpn-client ${project.version} org.eclipse.jetty.http2 http2-client ${project.version} test