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2024-05-31 01:25| 来源: 网络整理| 查看: 265

spring-admin和knife4j版本冲突问题

Spring Boot Admin本质上集成了actuator，将实时警报，此外添加一些实时警报功能等。

我使用的spring-boot版本：

org.springframework.boot spring-boot-starter-parent 2.7.12

knife4j

com.github.xiaoymin knife4j-spring-boot-starter 3.0.3

spring-admin

de.codecentric spring-boot-admin-starter-server 2.7.10 de.codecentric spring-boot-admin-starter-client 2.7.10

在有spring-boot-starter-actuator依赖的情况下报错

WARN o.s.b.w.s.c.AnnotationConfigServletWebServerApplicationContext --> Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException org.springframework.context.ApplicationContextException: Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:181) at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) at java.lang.Iterable.forEach(Iterable.java:75) at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:937) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) at com.examboost.api.ApiApplication.main(ApiApplication.java:21) Caused by: java.lang.NullPointerException: null at springfox.documentation.spring.web.WebMvcPatternsRequestConditionWrapper.getPatterns(WebMvcPatternsRequestConditionWrapper.java:56) at springfox.documentation.RequestHandler.sortedPaths(RequestHandler.java:113) at springfox.documentation.spi.service.contexts.Orderings.lambda$byPatternsCondition$3(Orderings.java:89) at java.util.Comparator.lambda$comparing$77a9974f$1(Comparator.java:469) at java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) at java.util.TimSort.sort(TimSort.java:234) at java.util.Arrays.sort(Arrays.java:1512) at java.util.ArrayList.sort(ArrayList.java:1464) at java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:392) at java.util.stream.Sink$ChainedReference.end(Sink.java:258) at java.util.stream.Sink$ChainedReference.end(Sink.java:258) at java.util.stream.Sink$ChainedReference.end(Sink.java:258) at java.util.stream.Sink$ChainedReference.end(Sink.java:258) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:483) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566) at springfox.documentation.spring.web.plugins.WebMvcRequestHandlerProvider.requestHandlers(WebMvcRequestHandlerProvider.java:81) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566) at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.withDefaults(AbstractDocumentationPluginsBootstrapper.java:107) at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.buildContext(AbstractDocumentationPluginsBootstrapper.java:91) at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.bootstrapDocumentationPlugins(AbstractDocumentationPluginsBootstrapper.java:82) at springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper.start(DocumentationPluginsBootstrapper.java:100) at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) ... 12 common frames omitted 解决

查找到相关issue:https://gitee.com/xiaoym/knife4j/issues/I4JT89

添加spring.mvc.pathmatch.matching-strategy=ant-path-matcher 配置

添加到swagger config

/** * 解决springboot升级到2.6.x之后，knife4j报错 * * @param webEndpointsSupplier the web endpoints supplier * @param servletEndpointsSupplier the servlet endpoints supplier * @param controllerEndpointsSupplier the controller endpoints supplier * @param endpointMediaTypes the endpoint media types * @param corsProperties the cors properties * @param webEndpointProperties the web endpoint properties * @param environment the environment * @return the web mvc endpoint handler mapping */ @Bean public WebMvcEndpointHandlerMapping webEndpointServletHandlerMapping( WebEndpointsSupplier webEndpointsSupplier, ServletEndpointsSupplier servletEndpointsSupplier, ControllerEndpointsSupplier controllerEndpointsSupplier, EndpointMediaTypes endpointMediaTypes, CorsEndpointProperties corsProperties, WebEndpointProperties webEndpointProperties, Environment environment) { List allEndpoints = new ArrayList(); Collection webEndpoints = webEndpointsSupplier.getEndpoints(); allEndpoints.addAll(webEndpoints); allEndpoints.addAll(servletEndpointsSupplier.getEndpoints()); allEndpoints.addAll(controllerEndpointsSupplier.getEndpoints()); String basePath = webEndpointProperties.getBasePath(); EndpointMapping endpointMapping = new EndpointMapping(basePath); boolean shouldRegisterLinksMapping = shouldRegisterLinksMapping(webEndpointProperties, environment, basePath); return new WebMvcEndpointHandlerMapping(endpointMapping, webEndpoints, endpointMediaTypes, corsProperties.toCorsConfiguration(), new EndpointLinksResolver(allEndpoints, basePath), shouldRegisterLinksMapping, null); } /** * shouldRegisterLinksMapping * * @param webEndpointProperties webEndpointProperties * @param environment environment * @param basePath / * @return boolean */ private boolean shouldRegisterLinksMapping(WebEndpointProperties webEndpointProperties, Environment environment, String basePath) { return webEndpointProperties.getDiscovery().isEnabled() && (StringUtils.hasText(basePath) || ManagementPortType.get(environment).equals(ManagementPortType.DIFFERENT)); } 相关链接：

knife4j和springboot-actuator版本冲突问题 - 飘梧的文章 - 知乎 https://zhuanlan.zhihu.com/p/474764240

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