【SpringBoot项目启动org.springframework.context.ApplicationContextException: Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException解决方法】的更多相关文章

SpringBoot项目启动org.springframework.context.ApplicationContextException: Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException解决方法

将Pom文件中的SpringBoot版本调低即可. 我的是调成了2.5.6…

myeclipse启动项目时报：An internal error occurred during: "Launching TestSpring on Tomcat 7.x". java.lang.NullPointerException 解决方法

如果出现了上述的错误按照如下的3个步骤解决: 1.首先关闭MyEclipse工作空间. 2.然后删除工作空间下的 “/.metadata/.plugins/org.eclipse.core.runtime/.settings/com.genuitec.eclipse.ast.deploy.core.prefs” 这个文件.在这个文件中存储了一些部署项目的信息.删了这个部署的项目的信息就没有错误了. 3.重启启动MyEclipse即可解决了.…

Failed to start bean 'stompBrokerRelayMessageHandler'; nested exception is java.lang.NoClassDefFoundError: reactor/io/codec/Codec

最新版本的Spring需要reactor 2.0,看看你的POM有一个明确的1.1.6依赖. 解决: <dependency> <groupId>org.projectreactor</groupId> <artifactId>reactor-core</artifactId> <version>1.1.6.RELEASE</version> </dependency> <dependency> &…

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.context.ApplicationContextException: Unable to start ServletWebServerApplic

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.context.ApplicationContextException: Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactor…

SpringBoot项目意外出现 循环依赖和注入的对象意外是Null的问题 Requested bean is currently in creation: Is there an unresolvable circular reference? 或 nested exception is java.lang.NullPointerException

1.Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mybatisPlusConfig': Invocation of init method failed; nested exception is java.lang.NullPointerException 2.Caused by: org.springframework.beans.facto…

?--Porg.springframework.beans.MethodInvocationException: Property 'username' threw exception; nested exception is java.lang.NullPointerException

使用BoneCP作为连接池,在启动Tomcat报出以下异常: 一月 02, 2016 2:12:17 下午 org.apache.tomcat.util.digester.SetPropertiesRule begin警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:mynewdpi' did not find a…

HTTP Status 500 - Request processing failed; nested exception is java.lang.NullPointerException

HTTP Status 500 - Request processing failed; nested exception is java.lang.NullPointerException type Exception report message Request processing failed; nested exception is java.lang.NullPointerException description The server encountered an internal…

Failed to convert from type [java.lang.String] to type [java.util.Date] for value '2020-02-06'; nested exception is java.lang.IllegalArgumentException]解决

今天做springbook项目前端输入日期传到数据库保存报了一下错误 Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback. Sun Feb 09 16:31:32 CST 2020 There was an unexpected error (type=Bad Request, status=400). Validation…

SpringBoot项目集成Swagger启动报错： Failed to start bean 'documentationPluginsBootstrapper'; nested exception is

使用的Swagger版本是2.9.2.knife4j版本是2.0.4. SpringBoot 版本是2.6.2将SpringBoot版本回退到2.5.6就可以正常启动…

error：org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException

问题:调用的方法在一个接口类中,但我并没有注入那个被调用的类 解决:在UserEntity前加上@Autowired @Controller public class MainController { // 自动装配数据库接口,不需要再写原始的Connection来操作数据库 @Autowired UserRepository userRepository; @RequestMapping(value = "/",method = RequestMethod.GET) public S…