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GVP萧明 / knife4j

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knife4j swagger3 springboot2.6

已完成
xaoyaoyao
创建于  
2022-01-28 15:32

knife4j似乎swagger3 springboot2.6使用不了

WARN 14770 --- [nio-8080-exec-4] org.springframework.web.servlet.PageNotFound : [1278 noHandlerFound] No mapping for GET /doc.html

评论 (6)

347221 xaoyaoyao 1578920830
xaoyaoyao 创建了任务
347221 xaoyaoyao 1578920830
xaoyaoyao 修改了描述
展开全部操作日志

找到解决方式了

  1. springboot2.6.2与swagger/knife4j版本冲突问题的 matching-strategy是path_pattern_parser，改为之前的ant_path_matcher
spring:  
   mvc:
    pathmatch:
      matching-strategy: ant_path_matcher
  1. 静态资源处理
@Override
	public void addResourceHandlers(ResourceHandlerRegistry registry) {
		registry.addResourceHandler("/static/**")
				.addResourceLocations("classpath:/static/")
				.addResourceLocations("classpath:/templates/")
				.addResourceLocations("classpath:/resources/")
				.addResourceLocations("classpath:/public/");		
		registry.addResourceHandler("/swagger-resources/**")
				.addResourceLocations("classpath:/META-INF/swagger-resources/");
		registry.addResourceHandler("doc.html").addResourceLocations(
				"classpath:/META-INF/resources/");
	}
+11

尝试了下 不能解决 很尴尬 这种方式也不行

springboot2.6.x与swagger3有些兼容问题，需要实现以下内容：

package springfox.documentation.spring.web.plugins;

import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import javax.servlet.ServletContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.context.annotation.Conditional;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.mvc.method.RequestMappingInfo;
import org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping;
import springfox.documentation.RequestHandler;
import springfox.documentation.spi.service.RequestHandlerProvider;
import springfox.documentation.spring.web.OnServletBasedWebApplication;
import springfox.documentation.spring.web.WebMvcRequestHandler;
import springfox.documentation.spring.web.readers.operation.HandlerMethodResolver;

import static java.util.stream.Collectors.toList;
import static springfox.documentation.builders.BuilderDefaults.nullToEmptyList;
import static springfox.documentation.spi.service.contexts.Orderings.byPatternsCondition;
import static springfox.documentation.spring.web.paths.Paths.ROOT;

/**
 * @className WebMvcRequestHandlerProvider
 * @description
 * @author xaoyaoyao
 * @date 2022/1/28 15:11
 */
@Component
@Order(Ordered.HIGHEST_PRECEDENCE)
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
@Conditional(OnServletBasedWebApplication.class)
public class WebMvcRequestHandlerProvider implements RequestHandlerProvider {

	private final List<RequestMappingInfoHandlerMapping> handlerMappings;
	private final HandlerMethodResolver                  methodResolver;
	private final String                                 contextPath;

	@Autowired
	public WebMvcRequestHandlerProvider(Optional<ServletContext> servletContext, HandlerMethodResolver methodResolver, List<RequestMappingInfoHandlerMapping> handlerMappings) {
		this.handlerMappings = handlerMappings.stream().filter(mapping -> Objects.isNull(mapping.getPatternParser())).collect(Collectors.toList());
		this.methodResolver = methodResolver;
		this.contextPath = servletContext.map(ServletContext::getContextPath).orElse(ROOT);
	}

	@Override
	public List<RequestHandler> requestHandlers() {
		return nullToEmptyList(handlerMappings).stream()
				.filter(requestMappingInfoHandlerMapping -> !("org.springframework.integration.http.inbound.IntegrationRequestMappingHandlerMapping"
						.equals(requestMappingInfoHandlerMapping.getClass()
								.getName())))
				.map(toMappingEntries())
				.flatMap((entries -> StreamSupport.stream(entries.spliterator(), false)))
				.map(toRequestHandler())
				.sorted(byPatternsCondition())
				.collect(toList());
	}

	private Function<RequestMappingInfoHandlerMapping,
			Iterable<Map.Entry<RequestMappingInfo, HandlerMethod>>> toMappingEntries() {
		return input -> input.getHandlerMethods()
				.entrySet();
	}

	private Function<Map.Entry<RequestMappingInfo, HandlerMethod>, RequestHandler> toRequestHandler() {
		return input -> new WebMvcRequestHandler(
				contextPath,
				methodResolver,
				input.getKey(),
				input.getValue());
	}
}
+11

启动成功但是方为doc.html他页面出现一下异常：
java.lang.NullPointerException: null
at springfox.documentation.swagger2.mappers.RequestParameterMapper.bodyParameter(RequestParameterMapper.java:264) ~[springfox-swagger2-3.0.0.jar:3.0.0]
at springfox.documentation.swagger2.mappers.RequestParameterMapper.mapParameter(RequestParameterMapper.java:149) ~[springfox-swagger2-3.0.0.jar:3.0.0]
at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2Mapper.beforeMappingOperations(ServiceModelToSwagger2Mapper.java:125) ~[springfox-swagger2-3.0.0.jar:3.0.0]
at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2MapperImpl.mapOperation(ServiceModelToSwagger2MapperImpl.java:109) ~[springfox-swagger2-3.0.0.jar:3.0.0]
at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2Mapper.mapOperations(ServiceModelToSwagger2Mapper.java:270) ~[springfox-swagger2-3.0.0.jar:3.0.0]
at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2Mapper.lambda$mapApiListings$2(ServiceModelToSwagger2Mapper.java:258) ~[springfox-swagger2-3.0.0.jar:3.0.0]
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) ~[na:1.8.0_311]
at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384) ~[na:1.8.0_311]
at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[na:1.8.0_311]
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270) ~[na:1.8.0_311]
at java.util.TreeMap$ValueSpliterator.forEachRemaining(TreeMap.java:2897) ~[na:1.8.0_311]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) ~[na:1.8.0_311]
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) ~[na:1.8.0_311]
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) ~[na:1.8.0_311]
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) ~[na:1.8.0_311]
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:1.8.0_311]
at java.util.stream.ReferencePipeline.forEachOrdered(ReferencePipeline.java:423) ~[na:1.8.0_311]
at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2Mapper.mapApiListings(ServiceModelToSwagger2Mapper.java:253) ~[springfox-swagger2-3.0.0.jar:3.0.0]
at springfox.documentation.swagger2.mappers.ServiceModelToSwagger2MapperImpl.mapDocumentation(ServiceModelToSwagger2MapperImpl.java:48) ~[springfox-swagger2-3.0.0.jar:3.0.0]
at springfox.documentation.swagger2.web.Swagger2ControllerWebMvc.getDocumentation(Swagger2ControllerWebMvc.java:99) ~[springfox-swagger2-3.0.0.jar:3.0.0]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_311]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_311]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_311]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_311]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1067) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.3.15.jar:5.3.15]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:655) ~[tomcat-embed-core-9.0.56.jar:4.0.FR]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.15.jar:5.3.15]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.56.jar:4.0.FR]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.56.jar:9.0.56]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:91) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.15.jar:5.3.15]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.15.jar:5.3.15]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.15.jar:5.3.15]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.15.jar:5.3.15]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:895) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1732) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) [tomcat-embed-core-9.0.56.jar:9.0.56]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.56.jar:9.0.56]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_311]

现在解决了没 springboot 2.6.7 集成3.0.3版本界面报错 swagger-resources 404

用2.0.9 好了，设置matching-strategy: ant_path_matcher 就行

springfox3也老不更新，后面knife4j准备放弃，适配springdoc-openapi项目

#I4JT89:SpringBoot2.6,在有spring-boot-starter-actuator依赖的情况下报错，2.5.7正常启动

118100 xiaoym 1578918321
萧明 添加了
 
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118100 xiaoym 1578918321
萧明 将任务状态从 待办的 修改为已完成
118100 xiaoym 1578918321
萧明 将里程碑设置为Knife4j 4.0版本

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