Spring Cloud 的 Gateway 服务启动报错
2024-05-11 11:03:59
Spring Cloud 的 Gateway 启动报错
- 1、控制台错误
- 2、报错时主要代码配置
- 2.1 pom 文件
- 2.2 启动类
- 2.3 application.yml 文件
- 3、解决办法
1、控制台错误
2019-06-12 16:27:50.637 INFO 19744 --- [ost-startStop-1] c.netflix.config.DynamicPropertyFactory : DynamicPropertyFactory is initialized with configuration sources: com.netflix.config.ConcurrentCompositeConfiguration@6883377f
2019-06-12 16:27:51.720 ERROR 19744 --- [ost-startStop-1] o.s.b.web.embedded.tomcat.TomcatStarter : Error starting Tomcat context. Exception: org.springframework.beans.factory.BeanCreationException. Message: Error creating bean with name 'servletEndpointRegistrar' defined in class path resource [org/springframework/boot/actuate/autoconfigure/endpoint/web/ServletEndpointManagementContextConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.endpoint.web.ServletEndpointRegistrar]: Factory method 'servletEndpointRegistrar' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'gatewayControllerEndpoint' defined in class path resource [org/springframework/cloud/gateway/config/GatewayAutoConfiguration$GatewayActuatorConfiguration.class]: Unsatisfied dependency expressed through method 'gatewayControllerEndpoint' parameter 2; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'hystrixGatewayFilterFactory' defined in class path resource [org/springframework/cloud/gateway/config/GatewayAutoConfiguration$HystrixConfiguration.class]: Unsatisfied dependency expressed through method 'hystrixGatewayFilterFactory' parameter 0; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'org.springframework.web.reactive.DispatcherHandler' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {}
2019-06-12 16:27:51.736 WARN 19744 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
2019-06-12 16:27:51.746 INFO 19744 --- [ main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-06-12 16:27:51.868 ERROR 19744 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter : ***************************
APPLICATION FAILED TO START
***************************Description:Parameter 0 of method hystrixGatewayFilterFactory in org.springframework.cloud.gateway.config.GatewayAutoConfiguration$HystrixConfiguration required a bean of type 'org.springframework.web.reactive.DispatcherHandler' that could not be found.Action:Consider defining a bean of type 'org.springframework.web.reactive.DispatcherHandler' in your configuration.Process finished with exit code 12、报错时主要代码配置
2.1 pom 文件
<?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 http://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>2.0.0.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>com.pro</groupId><artifactId>ebid-gateway</artifactId><version>0.0.1-SNAPSHOT</version><name>ebid-gateway</name><description>Demo project for Spring Boot</description><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><java.version>1.8</java.version><!--<spring-cloud.version>Greenwich.SR1</spring-cloud.version>--></properties><dependencyManagement><dependencies><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-dependencies</artifactId><version>Finchley.RELEASE</version><type>pom</type><scope>import</scope></dependency></dependencies></dependencyManagement><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-gateway</artifactId></dependency><!--<dependency>--><!--<groupId>org.springframework.cloud</groupId>--><!--<artifactId>spring-cloud-gateway-webflux</artifactId>--><!--</dependency>--><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-client</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-hystrix</artifactId></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-lang3</artifactId><version>3.5</version></dependency></dependencies><repositories><repository><id>spring-milestones</id><name>Spring Milestones</name><url>https://repo.spring.io/milestone</url><snapshots><enabled>false</enabled></snapshots></repository></repositories><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>2.2 启动类
package com.pro.ebidgateway;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplication
public class EbidGatewayApplication {public static void main(String[] args) {SpringApplication.run(EbidGatewayApplication.class, args);System.out.println("========== ebid-gateway 服务启动 ===========");}}2.3 application.yml 文件
## eureka 服务注册中心配置
eureka:client:serviceUrl:defaultZone: http://localhost:8761/eureka/server:port: 5000#服务名
spring:application:name: ebid-gatewaycloud:gateway:filter:remove-non-proxy-headers:headers:- dummy# 配置路由转发routes:- id: ebid-common# uri 代表路由的目标地址。注意：uri地址后面不要加 " / "# 消息必须使用http进行转发，lb代表从注册中心获取服务uri: lb://ebid-commonpredicates:# 重点！转发该路径！,/ebid-common/**,- Path=/ebid-common/**# 必须加上StripPrefix=1，否则访问服务时会带上ebid-common#而不是我们期望的去掉ebid-common，只保留**部分filters:- StripPrefix=13、解决办法
去掉依赖
<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency>
改正后的pom文件
<?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 http://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>2.0.0.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>com.huajie</groupId><artifactId>ebid-gateway</artifactId><version>0.0.1-SNAPSHOT</version><name>ebid-gateway</name><description>Demo project for Spring Boot</description><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><java.version>1.8</java.version><!--<spring-cloud.version>Greenwich.SR1</spring-cloud.version>--></properties><dependencyManagement><dependencies><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-dependencies</artifactId><version>Finchley.RELEASE</version><type>pom</type><scope>import</scope></dependency></dependencies></dependencyManagement><dependencies><!--<dependency>--><!--<groupId>org.springframework.boot</groupId>--><!--<artifactId>spring-boot-starter-web</artifactId>--><!--</dependency>--><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-gateway</artifactId></dependency><!--<dependency>--><!--<groupId>org.springframework.cloud</groupId>--><!--<artifactId>spring-cloud-gateway-webflux</artifactId>--><!--</dependency>--><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-client</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-hystrix</artifactId></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-lang3</artifactId><version>3.5</version></dependency></dependencies><repositories><repository><id>spring-milestones</id><name>Spring Milestones</name><url>https://repo.spring.io/milestone</url><snapshots><enabled>false</enabled></snapshots></repository></repositories><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>执行启动类：运行正常
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