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Java access Alipay payment tutorial 1, Create application 1. login Alipay open platform Alipay open platform web site: https://open.alipay.com/platform/developerIndex.htm 2. Create an application ? Figure 1 2, Set application key 1. download and install Alipay open platform assistant Software download address: https://gw.alipayobjec ...

Distributed RPC framework Apache Dubbo Introduction to Dubbo Apache Dubbo is a high-performance Java RPC framework. Its predecessor is Alibaba's open source and lightweight open source Java RPC framework, which can be seamlessly integrated with the Spring framework. In 2018, Alibaba donated this framework to the apache foundation. What is RP ...

Asynchronous task Asynchronous overview Asynchrony is to start the next request immediately after sending a request, regardless of whether the return value is received or not, or whether the return value is received after a long time. Compared with the system, it has great advantages because it makes great use of resources. It is opposite to ...

1, What is distributed Distributed computing is a new computing method proposed in recent years. The so-called distributed computing is that two or more software share information with each other. These software can run on the same computer or multiple computers connected through the network. In distributed system principles and mode ...

Dubbo 1. Overview of Apache Dubbo 1.1 Introduction Apache Dubbo is a high performance RPC framework, formerly Alibaba Open Source, a lightweight open source RPC framework that seamlessly integrates with the Spring framework, which Alibaba donated to the Apache Foundation in 2018 What is RPC? RPC is called remote procedure call, which i ...

Eureka Cluster Principle Fundamentals The above figure is an official architecture diagram from eureka, which is based on cluster configuration. Ereka at different nodes synchronizes data through ReplicateApplication Service as Service ProviderApplication Client for Service ConsumerMake Remote Call completes a service call After the servi ...

spring boot and dubbo configuration (properties) dubbo and zookeeper work together, but the configuration between them is not mentioned here. 1. There are two ways to configure spring boot and dubbo: 1) spring boot configures dubbo in its own profile application.properties. (This article focuses on this) 2) spring boot combines traditional ...

1, Heartbeat What is heartbeat In TPC, after the client and server establish a connection, they need to send data packets regularly to inform each other that they are still online to ensure the effectiveness of the TPC connection. If a connection has no heartbeat for a long time, it needs to be disconnected in time, otherwise the server will ...

preface I've been reading the source code of dubbo recently, so I refer to this book as an aid (this Yiji always makes me see Jiyi, um, Jiyi crazy warrior): dubbo has 300000 lines of code in version 3.0. Just looking at the code of a core function is killing people. In order to strengthen understanding, I think it is a very good way to impl ...

prefaceEarlier, we studied the principle of RPC. There are many frameworks based on RPC, such as Dubbo. Today, we will deeply analyze Dubbo from its SPI mechanism, service registration and discovery source code and network communication process.Dubbo architecturesummaryDubbo is a high-performance and excellent open source service framework of A ...