使用gateway调用feign服务网关启动报错

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zkf
zkf 剑者 2020-05-27 19:35
悬赏:5

一、该问题的重现步骤是什么?

1. 想使用网关gateway调用feign服务,网关的pom导入相关服务的api时,启动报错。

2. 

3.


二、你期待的结果是什么?实际看到的又是什么?

使用网关可以通过feign调用其他服务。实际网关导入相关服务包时启动报错 无法访问。

三、你正在使用的是什么产品,什么版本?在什么操作系统上?


四、请提供详细的错误堆栈信息,这很重要。

网关启动:


org.springframework.beans.factory.BeanDefinitionStoreException: Failed to process import candidates for configuration class [org.springblade.gateway.GateWayApplication]; nested exception is java.io.FileNotFoundException: class path resource [org/springframework/web/servlet/config/annotation/WebMvcConfigurer.class] cannot be opened because it does not exist
at org.springframework.context.annotation.ConfigurationClassParser.processImports(ConfigurationClassParser.java:596) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.access$900(ConfigurationClassParser.java:108) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorGroupingHandler.lambda$processGroupImports$1(ConfigurationClassParser.java:801) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at java.util.ArrayList.forEach(ArrayList.java:1249) ~[na:1.8.0_121]
at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorGroupingHandler.processGroupImports(ConfigurationClassParser.java:798) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorHandler.process(ConfigurationClassParser.java:770) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:185) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:315) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:232) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:705) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.refresh(ReactiveWebServerApplicationContext.java:66) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:140) [spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
at org.springblade.core.launch.BladeApplication.run(BladeApplication.java:49) [blade-core-launch-2.5.0.RELEASE.jar:na]
at org.springblade.gateway.GateWayApplication.main(GateWayApplication.java:37) [classes/:na]
Caused by: java.io.FileNotFoundException: class path resource [org/springframework/web/servlet/config/annotation/WebMvcConfigurer.class] cannot be opened because it does not exist
at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:180) ~[spring-core-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.core.type.classreading.SimpleMetadataReader.<init>(SimpleMetadataReader.java:51) ~[spring-core-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:103) ~[spring-core-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.boot.type.classreading.ConcurrentReferenceCachingMetadataReaderFactory.createMetadataReader(ConcurrentReferenceCachingMetadataReaderFactory.java:86) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
at org.springframework.boot.type.classreading.ConcurrentReferenceCachingMetadataReaderFactory.getMetadataReader(ConcurrentReferenceCachingMetadataReaderFactory.java:73) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:81) ~[spring-core-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.asSourceClass(ConfigurationClassParser.java:682) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser$SourceClass.getInterfaces(ConfigurationClassParser.java:1002) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.processInterfaces(ConfigurationClassParser.java:375) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:323) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:242) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.processImports(ConfigurationClassParser.java:586) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
... 19 common frames omitted
Disconnected from the target VM, address: '127.0.0.1:56819', transport: 'socket'
Process finished with exit code 1

五、若有更多详细信息,请在下面提供。

2条回答
  • 报错如下,是因为引入了spring-web模块,导致webflux为基础的Gateway报错了,具体需要排查一下哪里引入了spring-web,把他排除就可以了

    [org/springframework/web/servlet/config/annotation/WebMvcConfigurer.class] cannot be opened because it does not exist


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  • 2020-10-15 19:12

    但是 

    SwaggerUiHandler

    有用到 spring-web 相关的类,排除的话,还是会报错的。

    所以在网关 gateway 模块,要想 feign 调用的话,应该怎么处理?

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