这篇文章主要介绍“springboot集成springCloud中gateway时启动报错怎么解决”,在日常操作中,相信很多人在springboot集成springCloud中gateway时启动报错怎么解决问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”springboot集成springCloud中gateway时启动报错怎么解决”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!
Description:
Parameter 0 of method modifyRequestBodyGatewayFilterFactory in org.springframework.cloud.gateway.config.GatewayAutoConfiguration
required a bean of type "org.springframework.http.codec.ServerCodecConfigurer" that could not be found.Action:
Consider defining a bean of type "org.springframework.http.codec.ServerCodecConfigurer" in your configuration.
这个是由于依赖冲突,spring-cloud-starter-gateway与spring-boot-starter-web和spring-boot-starter-webflux依赖冲突
在引入gateway时过滤掉上面两个依赖
<dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-gateway</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </exclusion> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-webflux</artifactId> </exclusion> </exclusions> </dependency>
springboot整合gateway启动失败
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APPLICATION FAILED TO START
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Description:
An attempt was made to call a method that does not exist. The attempt was made from the following location:
org.springframework.cloud.gateway.config.GatewayAutoConfiguration$NettyConfiguration.gatewayHttpClient(GatewayAutoConfiguration.java:622)
The following method did not exist:
reactor.netty.resources.ConnectionProvider.elastic(Ljava/lang/String;Ljava/time/Duration;Ljava/time/Duration;)Lreactor/netty/resources/ConnectionProvider;
The method"s class, reactor.netty.resources.ConnectionProvider, is available from the following locations:
jar:file:/C:/Users/Administrator/.m2/repository/io/projectreactor/netty/reactor-netty/0.9.1.RELEASE/reactor-netty-0.9.1.RELEASE.jar!/reactor/netty/resources/ConnectionProvider.class
It was loaded from the following location:
file:/C:/Users/Administrator/.m2/repository/io/projectreactor/netty/reactor-netty/0.9.1.RELEASE/reactor-netty-0.9.1.RELEASE.jar
Action:
Correct the classpath of your application so that it contains a single, compatible version of reactor.netty.resources.ConnectionProvider
Disconnected from the target VM, address: "127.0.0.1:55875", transport: "socket"
Process finished with exit code 1
这块主要是版本兼容的问题,
<dependency> <groupId>io.projectreactor.netty</groupId> <artifactId>reactor-netty</artifactId> <version>0.9.4.RELEASE</version> </dependency>
网上有的是需要把这个版本降低,我这是降低了也不行
<dependency> <groupId>io.projectreactor.netty</groupId> <artifactId>reactor-netty</artifactId> <version>0.9.14.RELEASE</version> </dependency>
本项目里springboot版本为:2.3.1,根据自己项目需要吧,看一下自己项目中各个版本之间的问题
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