Minimal change to make muzzle pass
MODIFY
dd-java-agent/instrumentation/netty-3.8/src/main/java/datadog/trace/instrumentation/netty38/NettyChannelInstrumentation.java
dd-java-agent/instrumentation/netty-3.8/src/main/java/datadog/trace/instrumentation/netty38/NettyChannelInstrumentation.java
@@ -34,6 +34,7 @@ public class NettyChannelInstrumentation extends Instrumenter.Default {
// Optimization for expensive typeMatcher.
return hasClassesNamed(
"org.jboss.netty.channel.Channel",
+ "org.jboss.netty.handler.codec.http.DefaultHttpHeaders", // Not in 3.7
"org.jboss.netty.channel.StaticChannelPipeline" // Not in 3.10
);
}

Minimal change to make muzzle pass