报错之Failed to start bean ‘documentationPluginsBootstrapper‘； nested exception is java.lang.Nul问题及解决方案

布满荆棘的人生 2024-03-17 13:07 46阅读 0赞

Spring Boot 整合 [Swagger][]，用于生成 Web API 文档。

版本信息：spring boot：2.7.11，swagger：2.9.2

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to process import candidates for configuration class [com.yjq.miciweb.MiciWebApplication]; nested exception is java.io.FileNotFoundException: class path resource [springfox/documentation/spi/service/ParameterBuilderPlugin.class] cannot be opened because it does not exist
    	at org.springframework.context.annotation.ConfigurationClassParser.processImports(ConfigurationClassParser.java:609) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:310) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:249) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:206) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:174) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:331) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:247) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:311) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:112) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:748) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:564) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) ~[spring-boot-2.7.11.jar:2.7.11]
    	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731) [spring-boot-2.7.11.jar:2.7.11]
    	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) [spring-boot-2.7.11.jar:2.7.11]
    	at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) [spring-boot-2.7.11.jar:2.7.11]
    	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) [spring-boot-2.7.11.jar:2.7.11]
    	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) [spring-boot-2.7.11.jar:2.7.11]
    	at com.yjq.miciweb.MiciWebApplication.main(MiciWebApplication.java:15) [classes/:na]
    Caused by: java.io.FileNotFoundException: class path resource [springfox/documentation/spi/service/ParameterBuilderPlugin.class] cannot be opened because it does not exist
    	at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:199) ~[spring-core-5.3.27.jar:5.3.27]
    	at org.springframework.core.type.classreading.SimpleMetadataReader.getClassReader(SimpleMetadataReader.java:55) ~[spring-core-5.3.27.jar:5.3.27]
    	at org.springframework.core.type.classreading.SimpleMetadataReader.<init>(SimpleMetadataReader.java:48) ~[spring-core-5.3.27.jar:5.3.27]
    	at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:103) ~[spring-core-5.3.27.jar:5.3.27]
    	at org.springframework.boot.type.classreading.ConcurrentReferenceCachingMetadataReaderFactory.createMetadataReader(ConcurrentReferenceCachingMetadataReaderFactory.java:86) ~[spring-boot-2.7.11.jar:2.7.11]
    	at org.springframework.boot.type.classreading.ConcurrentReferenceCachingMetadataReaderFactory.getMetadataReader(ConcurrentReferenceCachingMetadataReaderFactory.java:73) ~[spring-boot-2.7.11.jar:2.7.11]
    	at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:81) ~[spring-core-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.asSourceClass(ConfigurationClassParser.java:696) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser$SourceClass.getInterfaces(ConfigurationClassParser.java:1024) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.processInterfaces(ConfigurationClassParser.java:385) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:331) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:249) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:198) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:303) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:249) ~[spring-context-5.3.27.jar:5.3.27]
    	at org.springframework.context.annotation.ConfigurationClassParser.processImports(ConfigurationClassParser.java:599) ~[spring-context-5.3.27.jar:5.3.27]
    	... 17 common frames omitted
    
    
    Process finished with exit code 1

错误原因：Springfox使用的路径匹配是基于AntPathMatcher的，而Spring Boot 2.6.X使用的是PathPatternMatcher

解决方案：

在application.yaml里配置：

spring:
      mvc:
        pathmatch:
          matching-strategy: ant_path_matcher

治标不治本，我在使用的时候，最开始能够运行，上传到服务器上，又不能运行了，

新的解决方案

导入spring2.6.0后自身的doc接口工具类

<dependency>
                <groupId>org.springdoc</groupId>
                <artifactId>springdoc-openapi-ui</artifactId>
                <version>1.7.0</version>
            </dependency>

编写配置文件

package com.yjq.miciweb.settings;
    import io.swagger.v3.oas.models.ExternalDocumentation;
    import io.swagger.v3.oas.models.OpenAPI;
    import io.swagger.v3.oas.models.info.Info;
    import io.swagger.v3.oas.models.info.License;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    /**
     * TODO
     *Swagger配置类
     * @Date 2023/6/29 15:45
     */
    @Configuration
    public class SwaggerConfigruationSettings{
    //    创建Docket对象
        @Bean
        public OpenAPI springShopOpenApi(){
            Info info = new Info()
                    .title("金融项目")
                    .version("v1.0")
                    .description("前后端分离")
                    .license(new License()
                            .name("Apache 2.0")
                            .url("http://222")
                    );
    
            return new OpenAPI().info(info).externalDocs(new ExternalDocumentation()
                    .description("doc").url("http://222"));
        }
    }

[Swagger]: https://so.csdn.net/so/search?q=Swagger&spm=1001.2101.3001.7020

报错之Failed to start bean ‘documentationPluginsBootstrapper‘； nested exception is java.lang.Nul问题及解决方案

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