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As dubbo became an apache Foundation incubator on February 15, 2018, it is no longer a project maintained by Ali. Then there seems to be a fault. Most of the articles on the Internet are about dubbo development tutorials in Ali stage, which leads to a long search for apache dubbo development tutorials. So I want to sort out the simple integrati ...

This is the first article in the Java Web Crawler series. If you don't know about the Java Web Crawler series, see What basic knowledge do you need to learn Java web crawler? This is the case. The first one is about the introduction of Java web crawler. In this article, we take the news headlines and details pages of Hupu List as an example. Th ...

Code environment: Windows 10 + Idea19-01 + spring-boot 2.1.6 + JDK1.8 jar package running environment: centos virtual machine + Hadoop 3.1.1 + hive3.1.1 + JDK1.8 Create a new spring-boot project in idea, including the basic ones. This project contains only one web package, as follows: pom.xml The ...

order This paper mainly studies Sharing-jdbc's SQLExecution Hook. SQLExecutionHook incubator-shardingsphere-4.0.0-RC1/sharding-core/sharding-core-execute/src/main/java/org/apache/shardingsphere/core/execute/hook/SQLExecutionHook.java public interface SQLExecutionHook { /** * Handle when SQL execution started. * * @param ...

A Brief Introduction to Packaging Springboot is packaged in many ways. You can use war packages, jar packages, and jekins for packaging and deployment. It is not recommended to use war packages. SpringBoot is suitable for front-end and back-end separation. It is more convenient and fast to deploy as jar. Custom Start Page Content of banner.txt ...

This article mainly talks about installing RocketMQ in Centos and doing simple examples. If you install 100% according to this article, you can succeed. If you follow the official instructions of Ali, it can only be heed. install The official address is https://rocketmq.apache.org/docs/quick-start./ I installed the following: //Download the l ...

Step 1: modify the ip address mapping of hosts to create the eureka cluster Reference: https://www.cnblogs.com/noneplus/p/11374883.html Step 2: Create a Service Provider pom dependence <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-insta ...

Eureka Yes. Netflix Developed, a REST-based component for service registration and discovery It mainly includes two components: Eureka Server and Eureka Client. Eureka Client: A Java client used to simplify interaction with Eureka Server (usually the client and server in microservices) Eureka Server: The ability to provide service registra ...

In the process of time maneuvering, judging by adding time stamp to the program, when inquiring HBase in batches, there will be some data inquiry time more than 8s, which is definitely unacceptable. Looking at hbase's logs, we can find the reasons. There are similar logs'GC pool'. It is speculated th ...

1. Implementing kafka transaction by spring annotation 1. Add Configuration to the Configuration Class in the previous article /** * The following three methods are used for management * Configure Kafka Transaction Manager, which is the transaction management class provided by Kafka to us. We need t ...