Programming VIP

Zuul provides the function of service gateway, which can realize load balancing, reverse proxy, dynamic routing, request forwarding and other functions.Most of Zuul's functions are implemented through filters. In addition to the standard four filter types, it also supports custom filters. Using the @ EnableZuulProxy annotation, the Spring cont ...

Step 1: download the Spring development package. Official website: https://spring.io/ Download address: https://repo.spring.io/libs-release-local/org/springframework/spring/ spring-framework-3.0.2.RELEASE-dependencies and spring-framework-4.2.4.RELEASE-dist extract the second one, and extract the directory: 　　　　 Step 2: build a project ...

order This paper focuses on rocketmq's consumeConcurrentlyMaxSpan consumeConcurrentlyMaxSpan rocketmq-client-4.5.2-sources.jar!/org/apache/rocketmq/client/consumer/DefaultMQPushConsumer.java public class DefaultMQPushConsumer extends ClientConfig implements MQPushConsumer { private final InternalLogger log = ClientLogger.getLog(); //. ...

Public address: java paradise The previous article explained the path URL forwarding method of zuul gateway; this article explained the path serviceid forwarding method. Path serviceid needs to be used in the registration center eureka 1. Create a new project SC zuul consumer, which mainly provides one Controller and two interfa ...

What It is a standard plug-in for packaging tasks in maven The main purpose of the Assembly plug-in is to allow users to assemble project output with its dependencies, modules, site documents, and other files into a distributable archive. Why Other plug-ins are not easy to use and each has its own short board. For example, you can't make a ...

In the Spring Cloud cluster, communication between roles is based on REST services. When invoking services, you need to use a REST client, which is commonly used. In addition to using the RestTemplate that Spring comes with, you can also use another REST client: Feign. When using Feign, you can decorate the interface with your own or third-par ...

Background: sometimes we need to define an external data source and use spark sql to process it. There are two benefits: (1) after defining the external data source, it is very simple to use, and the software architecture is clear. It can be used directly through sql. (2) it is easy to divide modules into layers and build them up layer by lay ...

Shiro redis is an open-source plug-in of Daniel on the Internet (github address: https://github.com/alexxiyang/shiro-redis )Recently, the following errors are always reported when using it (version 3.1.0): We need a field to identify this Cache Object in Redis. So you need to defined an id field which you can get unique id to id ...

ab introduction ab is the abbreviation of Apache bench command ab is apache's own stress testing tool. ab is very practical. It can not only test the web site access stress of apache servers, but also stress test other types of servers. For example, nginx, tomcat, haproxy, etc Principle of ab Principle of ab: the ab command will cr ...

brief introduction swagger start Write documentation Function summary Code for current section brief introduction Documentation is essential for API services. Documents, however, are annoying, especially synchronous updates. If you choose handwritten documents, you often forget to update them.Or in the early stages of high-speed development, ...