Gateway error Unable to start ServletWebServerApplicationContext due to missing ServletWebServer

Problem error: Error 1: org.springframework.beans.factory.support.BeanDefinitionOverrideException: Invalid bean definition with name ‘conversionServicePostProcessor’ defined in class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]: Cannot register bean definition [Root bean: class [org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration]; scope=; abstract=false; lazyInit=null; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=conversionServicePostProcessor; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]] for bean \ ‘conversionServicePostProcessor’: There is already [Root bean: class [org.springframework.security.config.annotation.web.reactive.WebFluxSecurityConfiguration]; scope=; abstract=false; […]

Spring Cloud Gateway Series: Routing Assertion Factory

Article directory 1. After routing assertion factory configuration API style 2. Before routing assertion factory configuration API style 3. Between routing assertion factory configuration API style 4. Cookie routing assertion factory configuration API style 5. Header routing assertion factory configuration API style 6. Host routing assertion factory configuration API style 7. Method routing assertion factory […]

Gateway Service Gateway

Information for this article: https://gitee.com/Allengan/cloud-demo.githttps://gitee.com/Allengan/cloud-demo.git Table of Contents 1. Why do you need a gateway? 2.gateway quick start 1) Create gateway service and introduce dependencies 2) Write startup class 3) Write basic configuration and routing rules 4) Restart the test 5) Flow chart of gateway routing 3. Assertion factory 4. Filter factory 4.1. Types of […]

Practical articles-Gateway gateway

The Nacos I learned earlier is for internal load balancing, and the Gateway I am learning now is for external load balancing and verification, so there is no conflict. 1. The role of gateway Gateway functions: 1. Identity authentication and authority verification 2. Service routing and load balancing 3. Request current limit There are two […]

Spring Cloud API Gateway (Zuul)

Table of Contents Zuul Introduction Function work process build 1.Introduce dependencies 2. Add annotations 3.Routing and forwarding 4. Test Implementation principle @EnableZuulProxy annotation ZuulServlet FilterProcessor Zuul built-in filters Common configuration Zuul Introduction zuul is one of the core components of the SpringCloud sub-project. It can be used as an API gateway in a microservice architecture […]

Configure the two gateways to be interconnected through IPSec VPN and perform NAT through the headquarters IPSec gateway to access the Internet.

Specifications Applicable to V200R002C00 and higher versions and all types of AR routers. Network requirements As shown in Figure 1, an enterprise is divided into a headquarters and two branches. Branch 1 and Branch 2 are connected to the Internet through RouterB and RouterC respectively. RouterA is a NAT gateway. Headquarters RouterA and branch RouterB […]

Spring Cloud Gateway gateway integration Knife4j 4.3 implements microservice interface document aggregation

Author’s homepage: Youlai Technology Open source projects: youlai-mall vue3-element-admin youlai-boot Warehouse homepage: Gitee Github GitCode Welcome to like Collect ?Leave a message Please correct any errors! The opening picture Article directory A picture at the beginning Preface Spring Cloud integration Knife4j pom.xml application.yml SwaggerConfig.java Access single service interface documentation Spring Cloud Gateway gateway aggregation pom.xml […]

Demo of SpringBoot integrating Gateway (with source code)

Source code, can be downloaded directly Gateway module Gateway’s parent pom.xml <?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-instance” xsi:schemaLocation=”http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd”> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.6.12</version> <relativePath/> <!– lookup parent from repository –> </parent> <packaging>pom</packaging> <groupId>com.example</groupId> <artifactId>gateway-demo</artifactId> <version>0.0.1-SNAPSHOT</version> <name>gateway-demo</name> <description>gateway-demo</description> <properties> <java.version>1.8</java.version> </properties> <dependencyManagement> <dependencies> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-alibaba-dependencies</artifactId> <version>2021.0.4.0</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>2021.0.4</version> <type>pom</type> […]