【已解决】Failed to start bean ‘documentationPluginsBootstrapper‘； nested exception .lang.NullPointerEx

向右看齐 2024-02-19 11:30 33阅读 0赞

#### 文章目录 ####

*   *  异常信息
     *  原因
     *  解决办法
     *   *  方案 0
         *  方案 1
     *  在这里插入图片描述

### 异常信息 ###

Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException

2023-11-10 11:21:44.013 ERROR 44100 --- [o-8080-Acceptor] org.apache.tomcat.util.net.Acceptor      : Socket accept failed
    
    java.nio.channels.AsynchronousCloseException: null
    	at java.base/java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:202) ~[na:na]
    	at java.base/sun.nio.ch.ServerSocketChannelImpl.end(ServerSocketChannelImpl.java:269) ~[na:na]
    	at java.base/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:288) ~[na:na]
    	at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:547) ~[tomcat-embed-core-9.0.68.jar:9.0.68]
    	at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:79) ~[tomcat-embed-core-9.0.68.jar:9.0.68]
    	at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:129) ~[tomcat-embed-core-9.0.68.jar:9.0.68]
    	at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na]
    
    2023-11-10 11:21:44.025  INFO 44100 --- [           main] ConditionEvaluationReportLoggingListener : 
    
    Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
    2023-11-10 11:21:44.037 ERROR 44100 --- [           main] o.s.boot.SpringApplication               : Application run failed
    
    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) ~[spring-context-5.3.23.jar:5.3.23]
    	at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) ~[spring-context-5.3.23.jar:5.3.23]
    	at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) ~[spring-context-5.3.23.jar:5.3.23]
    	at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[na:na]
    	at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) ~[spring-context-5.3.23.jar:5.3.23]
    	at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) ~[spring-context-5.3.23.jar:5.3.23]
    	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935) ~[spring-context-5.3.23.jar:5.3.23]
    	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) ~[spring-context-5.3.23.jar:5.3.23]
    	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.13.jar:2.6.13]
    	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:745) ~[spring-boot-2.6.13.jar:2.6.13]
    	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:420) ~[spring-boot-2.6.13.jar:2.6.13]
    	at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-2.6.13.jar:2.6.13]
    	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1317) ~[spring-boot-2.6.13.jar:2.6.13]
    	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1306) ~[spring-boot-2.6.13.jar:2.6.13]
    	at cn.net.javapub.project.usercenterbackendjavapublic.UserCenterBackendJavaPublicApplication.main(UserCenterBackendJavaPublicApplication.java:11) ~[classes/:na]
    Caused by: java.lang.NullPointerException: null
    	at springfox.documentation.spring.web.WebMvcPatternsRequestConditionWrapper.getPatterns(WebMvcPatternsRequestConditionWrapper.java:56) ~[springfox-spring-webmvc-3.0.0.jar:3.0.0]
    	at springfox.documentation.RequestHandler.sortedPaths(RequestHandler.java:113) ~[springfox-core-3.0.0.jar:3.0.0]
    	at springfox.documentation.spi.service.contexts.Orderings.lambda$byPatternsCondition$3(Orderings.java:89) ~[springfox-spi-3.0.0.jar:3.0.0]
    	at java.base/java.util.Comparator.lambda$comparing$77a9974f$1(Comparator.java:469) ~[na:na]
    	at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) ~[na:na]
    	at java.base/java.util.TimSort.sort(TimSort.java:220) ~[na:na]
    	at java.base/java.util.Arrays.sort(Arrays.java:1515) ~[na:na]
    	at java.base/java.util.ArrayList.sort(ArrayList.java:1750) ~[na:na]
    	at java.base/java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:392) ~[na:na]
    	at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
    	at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
    	at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
    	at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
    	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485) ~[na:na]
    	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[na:na]
    	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) ~[na:na]
    	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na]
    	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) ~[na:na]
    	at springfox.documentation.spring.web.plugins.WebMvcRequestHandlerProvider.requestHandlers(WebMvcRequestHandlerProvider.java:81) ~[springfox-spring-webmvc-3.0.0.jar:3.0.0]
    	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) ~[na:na]
    	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) ~[na:na]
    	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[na:na]
    	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[na:na]
    	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) ~[na:na]
    	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na]
    	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) ~[na:na]
    	at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.withDefaults(AbstractDocumentationPluginsBootstrapper.java:107) ~[springfox-spring-web-3.0.0.jar:3.0.0]
    	at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.buildContext(AbstractDocumentationPluginsBootstrapper.java:91) ~[springfox-spring-web-3.0.0.jar:3.0.0]
    	at springfox.documentation.spring.web.plugins.AbstractDocumentationPluginsBootstrapper.bootstrapDocumentationPlugins(AbstractDocumentationPluginsBootstrapper.java:82) ~[springfox-spring-web-3.0.0.jar:3.0.0]
    	at springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper.start(DocumentationPluginsBootstrapper.java:100) ~[springfox-spring-web-3.0.0.jar:3.0.0]
    	at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) ~[spring-context-5.3.23.jar:5.3.23]
    	... 14 common frames omitted
    
    
    Process finished with exit code 1

### 原因 ###

swagger 和 springboot 版本不兼容导致

<dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-boot-starter</artifactId>
                <version>3.0.0</version>
        </dependency>

*  官方给的原因

https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-2.6-Release-Notes

![在这里插入图片描述][94c8080c75714d57b939f17d74aa03b6.png]

### 解决办法 ###

#### 方案 0 ####

直接删除这个依赖

--------------------

#### 方案 1 ####

降低Spring Boot 版本到2.6.x以下版本

兼容版本

### ![在这里插入图片描述][fcc4b3636ef944ccb283af3f1adae19e.png] ###

[94c8080c75714d57b939f17d74aa03b6.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/02/19/81c79412e10e40a79e4556f949c82680.png
[fcc4b3636ef944ccb283af3f1adae19e.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/02/19/9eae9d3f30994dca8558bcb11d0121d0.png

【已解决】Failed to start bean ‘documentationPluginsBootstrapper‘； nested exception .lang.NullPointerEx

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