Programmer Think

Netty is a high-performance, asynchronous event driven NIO framework, which is implemented based on the API provided by JAVA NIO. It provides support for TCP, UDP and file transfer. As an asynchronous NIO framework, all IO operations of netty are asynchronous and non blocking. Through the future listener mechanism, users can easily obtain IO ...

catalogue 1. What is Dubbo 2. Evolution of Architecture 3. Architecture diagram of Dubbo (link) 1.dubbo demo (link) 1. Service providers 2. Create service consumers 3. Connect zookeeper (service registration and discovery Registry) 2. Three development modes of Dubbo 3. Configuration priority of Dubbo 4. Attribute configuration( 🔗) ...

When installing dubbo-admin, the Dubbo monitoring center, using maven to package projects has been reporting errors Prompt dubbo-admin-ui build failed Failed to execute goal com.github.eirslett:frontend-maven-plugin:1.9.0:npm (npm install) on project dubbo-admin-ui: Failed to run task: 'npm install' failed. org.apache.commons.exec.ExecuteExce ...

background Timing tasks need to be handled in the project, and our applications will be published and run on multiple servers. In order to avoid concurrent processing leading to dirty data, we usually introduce distributed scheduling systems such as Elastic-Job or xxl-Job to process. But this requires a new system to be built, and if it's just ...

A pit of Dubbo serialized objects -- Erwu Zz Today, I encountered a pit in Dubbo serialization object when dealing with project problems. Record: When colleagues call the Dubbo rpc interface, they find that the returned value is inconsistent with the expected return value. It is expected to return a collection of objects, but the returned ...

1. Evolution process of software architecture The development of software architecture has experienced the evolution process from single architecture, vertical architecture, SOA architecture to micro service architecture. Let's learn about these architectures respectively. 1.1 single structure 1.2 Vertical Architecture 1.3 SOA Architect ...

RPC call: the client serializes and transmits the service call interface, method name, method type parameters and method parameter values to the server, and the server reads the information in reverse sequence for proxy call. Summary: (1) When the client starts, it will pull and subscribe to the corresponding service list from the registry, and ...

background When dubbo uses zookeeper(zk) as the registry, it updates the latest list of service providers by subscribing to ZK's watch listening mechanism. The general process is as follows. Today, we mainly analyze the red subscription and the processing logic. subscribe In the consumer startup phase, the protocol will be executed layer ...

problem The scheduled task couldn't get up last night. It uses dubbo architecture and relies on service 20:02:02.406 [main] INFO com.alibaba.spring.beans.factory.annotation.ConfigurationBeanBindingRegistrar - The configuration bean definition [name : org.apache.dubbo.config.ApplicationConfig#0, content : Root bean: class [org.apache.dubb ...

Copyright notice: This article is a small original article, non-commercial free reprint - keep the signature - indicate the source, thank you! Website of this article: https://sunkuan.blog.csdn.net/article/details/120502052 before [Dubbo notes sorting v] SpringBoot integrating Dubbo (Multicast) I introduced how to use SpringB ...