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把springmvc的项目放进tomcat9运行,报错了?报错

java.lang.NoClassDefFoundError:HttpServletRequest
	java.lang.Class.getDeclaredMethods0(Native方法)
	java.lang.Class.privateGetDeclaredMethods(Unknown Source)
	java.lang.Class.getDeclaredMethods(Unknown Source)
	org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:609)
	org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:521)
	org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:507)
	org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:241)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1069)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1042)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	org.springframework.beans.factory.support.AbstractBeanFactory $ 1.getObject(AbstractBeanFactory.java:306)
	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772)
	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)
	org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:666)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:632)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:680)
	org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:551)
	org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:492)
	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:651)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:501)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	org.apache.coyote.AbstractProtocol $ ConnectionHandler.process(AbstractProtocol.java:754)
	org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.doRun(NioEndpoint.java:1376)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	java.util.concurrent.ThreadPoolExecutor $ Worker.run(未知来源)
	org.apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(未知源)

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爱吃鱼的程序员 2020-06-07 22:05:21 801 0
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  • https://developer.aliyun.com/profile/5yerqm5bn5yqg?spm=a2c6h.12873639.0.0.6eae304abcjaIB

    检查项目里的jar是否存在与tomcat冲突的servlet-api

    貌似tomcat9还没有正式发布吧
    2020-06-07 22:05:38
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