[英]Spring-boot swagger throws java.lang.ClassNotFoundException on io.swagger.models.parameters.Parameter
I am using the following spring-boot dependencies in order to generate a swagger file for my Spring-boot
application:我正在使用以下 spring-boot 依赖项来为我的Spring-boot
应用程序生成一个 swagger 文件:
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>${swagger-fox.version}</version>
<exclusions>
<exclusion>
<artifactId>swagger-annotations</artifactId>
<groupId>io.swagger</groupId>
</exclusion>
<exclusion>
<artifactId>swagger-models</artifactId>
<groupId>io.swagger</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>${swagger-fox.version}</version>
</dependency>
<properties>
<swagger.version>1.6.0</swagger.version>
<java.version>11</java.version>
<dockerfile-maven-version>1.4.3</dockerfile-maven-version>
<swagger-fox.version>2.9.2</swagger-fox.version>
</properties>
And this is the swagger configuration class, which I have included in my app:这是我在我的应用程序中包含的 swagger 配置 class:
@SpringBootApplication
@EnableSwagger2
public class SpringFoxConfig {
private static final String AUTHOR_MAIL = "xxx@xxx.com";
private static final String API_TITLE = "DEMO Service REST API";
private static final String API_DESCRIPTION = "demo";
private static final String API_BASE_PACKAGE = "demo_package";
private ApiInfo getApiInfo() {
return new ApiInfo(API_TITLE, API_DESCRIPTION, "V1", "", AUTHOR_MAIL,
"","");
}
@Bean
public Docket api() {
return new Docket(DocumentationType.SWAGGER_2).apiInfo(getApiInfo())
.select()
.apis(RequestHandlerSelectors.basePackage(API_BASE_PACKAGE))
.paths(PathSelectors.any())
.build();
}
Despite that when I run my app I get the following error:尽管如此,当我运行我的应用程序时,我收到以下错误:
java.lang.NoClassDefFoundError: io/swagger/models/parameters/Parameter
at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) ~[na:na]
at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3137) ~[na:na]
at java.base/java.lang.Class.getDeclaredConstructors(Class.java:2357) ~[na:na]
at org.springframework.boot.context.properties.ConfigurationPropertiesBindConstructorProvider.findConstructorBindingAnnotatedConstructor(ConfigurationPropertiesBindConstructorProvider.java:62) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.context.properties.ConfigurationPropertiesBindConstructorProvider.getBindConstructor(ConfigurationPropertiesBindConstructorProvider.java:48) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.context.properties.ConfigurationPropertiesBean$BindMethod.forType(ConfigurationPropertiesBean.java:311) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.context.properties.ConfigurationPropertiesBeanDefinitionValidator.validate(ConfigurationPropertiesBeanDefinitionValidator.java:63) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.context.properties.ConfigurationPropertiesBeanDefinitionValidator.postProcessBeanFactory(ConfigurationPropertiesBeanDefinitionValidator.java:45) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:286) ~[spring-context-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:174) ~[spring-context-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:706) ~[spring-context-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:532) ~[spring-context-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at demo.Application.main(Application.java:10) ~[classes/:na]
Caused by: java.lang.ClassNotFoundException: io.swagger.models.parameters.Parameter
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581) ~[na:na]
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178) ~[na:na]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) ~[na:na]
... 19 common frames omitted
Note that I also get a warning that the method ApiInfo
is deprecated and suspect that error has something to do with it, however I am not sure about it.请注意,我还收到一条警告,指出ApiInfo
方法已被弃用,并怀疑错误与此有关,但我不确定。 Could anyone help me figure out how to go about solving this?谁能帮我弄清楚如何解决这个问题 go? Thanks in advance提前致谢
Interface Parameter is from the swagger-models maven dependency.接口参数来自swagger-models maven 依赖项。
To fix the issue simply remove the corresponding exclusion from the POM file:要解决此问题,只需从 POM 文件中删除相应的排除项:
<exclusion>
<artifactId>swagger-models</artifactId>
<groupId>io.swagger</groupId>
</exclusion>
Swagger is not working properly in spring boot version 2.2.0 an above. Swagger 在 Spring Boot 2.2.0 及以上版本中无法正常工作。 You can use alternatively您可以交替使用
"springdoc-openapi-ui" “springdoc-openapi-ui”
Tutorial available at www.baeldung.com/spring-rest-openapi-documentation教程可在www.baeldung.com/spring-rest-openapi-documentation
<!-- https://mvnrepository.com/artifact/org.springdoc/springdoc-openapi-ui -->
<dependency>
<groupId>org.springdoc</groupId>
<artifactId>springdoc-openapi-ui</artifactId>
<version>1.2.30</version>
</dependency>
I could resolve my issue when I downgraded my version to 1.6.4 from 1.6.9当我将版本从 1.6.9 降级到 1.6.4 时,我可以解决我的问题
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