On Netty's Blocking OperationException Problem

Record a deadlock exception encountered. The scenario occurs when the client disconnects and reconnects. The reconnection code is similar to this: private void reconnect() { if (bootstrap == null) throw new IllegalArgumentException("bootstrap cannot be null"); //If it has been connected, it will ...

Posted by Sergeant on Tue, 01 Oct 2019 23:53:00 +0200

9. Zhang Long netty Learns Grpc

gRPC why gRPC? gRPC is a modern open source high performance RPC framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking and authe ...

Posted by kyllerj on Sun, 15 Sep 2019 11:16:05 +0200

Netty 4.x Chinese tutorial series Hello World

Links to the original text: https://my.oschina.net/u/1781072/blog/542608 1. Download and add Netty framework to the project 1.Netty's packages can be accessed from Netty's official ...

Posted by erikwebb on Sun, 08 Sep 2019 16:57:55 +0200

Talk about how the Callable task works? How did it get its execution results?

Talk about how the Callable task works? How did it get its execution results? Submitting a Callable task to the thread pool creates a new thread (the thread that executes the task) to execute the Callable task, but getting the execution result of the task through Future#get is in the caller thread that submits the task. Question 1: How does the ...

Posted by sabien on Fri, 06 Sep 2019 16:44:02 +0200

Netty Source Code Analysis--Server Start Source Code Analysis

This article goes on to cover the rest of the server class in the first two articles. Let's first look at the server code. /** * Created by chenhao on 2019/9/4. */ public final class SimpleServer { public static void main(String[] args) throws Exception { EventLoopGroup bossGroup = new NioEventLoopGroup(1); Even ...

Posted by show8bbs on Fri, 06 Sep 2019 06:28:42 +0200

Netty Case, Intermediate Extension of Netty 4.1 Seven "Netty Request Response Synchronous Communication"

Preamble Introduction When we implement the RPC framework, we need to choose how sockets communicate.And we know that socket communication is similar to qq chatting in general, sending messages in the past and replying whenever possible.But our RPC ...

Posted by dan1956 on Wed, 04 Sep 2019 03:31:01 +0200

netty seamlessly switch rabbitmq, activemq, rocketmq to achieve chat room chat function

(https://graph.baidu.com/resou... handler on netty's pipeline processing chain: Requires IdleStateHandler heartbeat to detect if the channel is valid, and handles UserAuthHandler for login authentication and MessageHandler for message processing protected void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(defLoopGr ...

Posted by programming_passion on Thu, 29 Aug 2019 04:30:35 +0200

A simple Netty-EchoDemo

This blog Uncle Cat's Blog , reprint please state sourceRead this about "4 minutes" Readable Population: Java-Netty Junior Echo Simple Communications Case Version: netty 4.1. *Statement: The purpose of this article is to re-share the discussion of official Netty related cases, add some personal understanding and point analysis. This ...

Posted by sametch on Sun, 18 Aug 2019 08:01:36 +0200

xxl-job (v2.1.0 Release) Executor Registration Principle

Preface Quatz dependency has been removed in v2.1.0 Release version, which reduces dependency and improves controllability and stability of the system. The communication scheme used in this version is "NETTY_HTTP" scheme. The actuator is ...

Posted by mattclements on Wed, 14 Aug 2019 15:02:26 +0200

NIO Programming of netty Learning Notes java

netty Learning java NIO Programming NIO in-depth analysis Flp source code: NIO Out-of-heap Memory and Zero Copy Memory Mapping File File lock usage Network communication of traditional java NIO Non-blocking Communication Selector is important channel source code for SelectionKey Examples of using Sel ...

Posted by derekbelcher on Mon, 12 Aug 2019 12:50:55 +0200