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Aggregation and Dependency of Projects 1 Aggregation When a project is multi-module, how to build multiple modules at once instead of executing Maven commands separately under multiple modules. 1.1 Parent-Child Structure <!--Parent Module netsales-poss In packaging Must be pom--> <packaging>pom</packaging> <!--Parent Modu ...

In this tutorial, we will learn how to create a Maven-managed Java Ethernet project in Eclipse, connect Ethernet nodes using the web3j library, make JSON-RPC API calls, and display the results. Learn in the language you are familiar with and develop in Taifang DApp: Java | Php | Python | .Net / C# | Golang | Node.JS | Flutter / Dart web3j is ...

This article will explain the agent mode through its concept, characteristics, and finally realize the use scenarios of each agent mode through coding. What is agent mode Agent pattern is a programming design pattern in Java language. There are two important roles: the principal class and the agent class. The agent class can call the delegate c ...

About Dubbo 　　 　　 Official website: http://dubbo.apache.org/zh-cn/ 　　Github: https://github.com/apache/dubbo On February 15, 2018, dubbo, Alibaba's service governance framework, successfully became an Apache foundation incubation project. Apache Dubbo is a high-performance and lightweight open source Java RPC framework, which provides th ...

2.2.3 Custom starter Spring Boot is made up of many Starters (a series of starter plug-ins that are automatically configured), and it is also because of starter that Spring Boot is popular. starter is a very important part of Spring Boot and can be understood as a pluggable plug-in because it allows developers who use a feature to ignore the p ...

  Single sign on (SSO) is a one-time authentication login by users. After a user logs in on the identity authentication server once, he / she can gain access to other associated systems and application software in the single sign on system. At the same time, this implementation does not require the ...

1. Overview 1. Problems faced by distributed system In the complex distributed architecture system, the failure of mutual service calls cannot be avoided. If the call link of A service is relatively long, the probability of such call failure will be higher. For example, if A calls B, B calls C, C c ...

1, Direct type 1. Schematic overview As shown in the figure, in this mode, the producer sends messages to the switch in the broker (there can be multiple exchange switches in a broker, and one exchange can be bound to multiple queue queues). The switch distributes the messages to the queue correspondi ...

1. Overview of Easy Rules Easy Rules is a Java rules engine inspired by a piece called< Should I use a Rules Engine? >The article of The rule engine is to provide an optional calculation model. Unlike the usual imperative model, which consists of commands with conditions and cycles in turn, the rule engine is based on the production rule ...

Spring asynchronous call, multithreading summary quick get start Asynchronous callback Asynchronous exception handling Custom actuator 1. Overview In daily development, our logic is synchronous calling and sequential execution. But in some cases, we want to call asynchronously to separate t ...