Workaround for onReadIdle issue in Reactor TcpClient

https://github.com/reactor/reactor-netty/issues/22

spring-messaging/src/main/java/org/springframework/messaging/tcp/reactor/ReactorNettyTcpConnection.java

@@ -17,10 +17,12 @@
 package org.springframework.messaging.tcp.reactor;
 
 import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelPipeline;
 import reactor.core.publisher.DirectProcessor;
 import reactor.core.publisher.Mono;
 import reactor.ipc.netty.NettyInbound;
 import reactor.ipc.netty.NettyOutbound;
+import reactor.ipc.netty.NettyPipeline;
 
 import org.springframework.messaging.Message;
 import org.springframework.messaging.tcp.TcpConnection;
@@ -64,6 +66,14 @@ public class ReactorNettyTcpConnection<P> implements TcpConnection<P> {
 	@Override
 	@SuppressWarnings("deprecation")
 	public void onReadInactivity(Runnable runnable, long inactivityDuration) {
+
+		// TODO: workaround for https://github.com/reactor/reactor-netty/issues/22
+		ChannelPipeline pipeline = this.inbound.context().channel().pipeline();
+		String name = NettyPipeline.OnChannelReadIdle;
+		if (pipeline.context(name) != null) {
+			pipeline.remove(name);
+		}
+
 		this.inbound.onReadIdle(inactivityDuration, runnable);
 	}