关于网友提出的“ spring MVC遇到了异常，弄了半天还是解决不了”问题疑问，本网通过在网上对“ spring MVC遇到了异常，弄了半天还是解决不了”有关的相关答案进行了整理，供用户进行参考，详细问题解答如下：
问题： spring MVC遇到了异常，弄了半天还是解决不了描述:
就出现了上图一个异常，不知道是什么原因，遇到过几次了，还是解决不了
解决方案1:
没有加运行时库。
解决方案2:把你的JDK 换成 1.7 tomcat 换成7.0 的试试。
我昨天也遇到一个奇葩的问题， 后来发现是环境的问题。
解决方案3:感觉是jar包冲突了！ 提示的是抽像方法错误
解决方案4:
不知道这有没有用，贴上异常信息：
八月 08, 2016 6:14:19 下午 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.j2ee.server:CrunchifySpringMvcTutorial' did not find a matching property.
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server version: Apache Tomcat/9.0.0.M9
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server built: Jul 4 2016 18:22:47 UTC
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server number: 9.0.0.0
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Name: Windows 10
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Version: 10.0
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Architecture: amd64
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Java Home: C:\Program Files\Java\jdk1.8.0_92\jre
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Version: 1.8.0_92-b14
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Vendor: Oracle Corporation
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_BASE: E:\eclipse工作文件\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_HOME: C:\Users\admin\apache-tomcat-9.0.0.M9
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.base=E:\eclipse工作文件\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.home=C:\Users\admin\apache-tomcat-9.0.0.M9
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dwtp.deploy=E:\eclipse工作文件\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Djava.endorsed.dirs=C:\Users\admin\apache-tomcat-9.0.0.M9\endorsed
八月 08, 2016 6:14:19 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dfile.encoding=GBK
八月 08, 2016 6:14:19 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.8.0_92\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:/Program Files/Java/jdk1.8.0_92/jre/bin/server;C:/Program Files/Java/jdk1.8.0_92/jre/bin;C:/Program Files/Java/jdk1.8.0_92/jre/lib/amd64;C:\ProgramData\Oracle\Java\javapath;C:\Program Files\Java\jdk1.8.0_92\bin;D:\apache-maven-3.3.9\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Lenovo\Bluetooth Software\;C:\Program Files\Lenovo\Bluetooth Software\syswow64;D:\ATI.ACE\Core-Static;D:\bin;D:\bin;%MAVEN_HOME%\bin;C:\Users\admin\Desktop;;.
八月 08, 2016 6:14:19 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-nio-8080"]
八月 08, 2016 6:14:20 下午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
信息: Using a shared selector for servlet write/read
八月 08, 2016 6:14:20 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-nio-8009"]
八月 08, 2016 6:14:20 下午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
信息: Using a shared selector for servlet write/read
八月 08, 2016 6:14:20 下午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 969 ms
八月 08, 2016 6:14:20 下午 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
八月 08, 2016 6:14:20 下午 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/9.0.0.M9
八月 08, 2016 6:14:20 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [web-app_4_0.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
八月 08, 2016 6:14:20 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [web-fragment_4_0.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
八月 08, 2016 6:14:20 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [web-common_4_0.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
八月 08, 2016 6:14:20 下午 org.apache.tomcat.util.descriptor.DigesterFactory locationFor
警告: The XML schema [javaee_8.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
八月 08, 2016 6:14:21 下午 org.apache.jasper.servlet.TldScanner scanJars
信息: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
八月 08, 2016 6:14:21 下午 org.apache.catalina.core.ApplicationContext log
信息: No Spring WebApplicationInitializer types detected on classpath
八月 08, 2016 6:14:22 下午 org.apache.catalina.core.ApplicationContext log
信息: Initializing Spring FrameworkServlet 'crunchify'
八月 08, 2016 6:14:22 下午 org.springframework.web.servlet.DispatcherServlet initServletBean
信息: FrameworkServlet 'crunchify': initialization started
八月 08, 2016 6:14:22 下午 org.springframework.web.context.support.XmlWebApplicationContext prepareRefresh
信息: Refreshing WebApplicationContext for namespace 'crunchify-servlet': startup date [Mon Aug 08 18:14:22 CST 2016]; root of context hierarchy
八月 08, 2016 6:14:22 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from ServletContext resource [/WEB-INF/crunchify-servlet.xml]
八月 08, 2016 6:14:22 下午 org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping registerHandler
信息: Mapped URL path [/welcome] onto handler 'crunchifyHelloWorld'
八月 08, 2016 6:14:22 下午 org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping registerHandler
信息: Mapped URL path [/welcome.*] onto handler 'crunchifyHelloWorld'
八月 08, 2016 6:14:22 下午 org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping registerHandler
信息: Mapped URL path [/welcome/] onto handler 'crunchifyHelloWorld'
八月 08, 2016 6:14:23 下午 org.springframework.web.servlet.DispatcherServlet initServletBean
信息: FrameworkServlet 'crunchify': initialization completed in 993 ms
八月 08, 2016 6:14:23 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler [http-nio-8080]
八月 08, 2016 6:14:23 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler [ajp-nio-8009]
八月 08, 2016 6:14:23 下午 org.apache.catalina.startup.Catalina start
信息: Server startup in 2918 ms
八月 08, 2016 6:14:41 下午 org.apache.catalina.session.StandardSession tellNew
严重: Session event listener threw exception
java.lang.AbstractMethodError: org.apache.tomcat.websocket.server.WsSessionListener.sessionCreated(Ljavax/servlet/http/HttpSessionEvent;)V
at org.apache.catalina.session.StandardSession.tellNew(StandardSession.java:396)
at org.apache.catalina.session.StandardSession.setId(StandardSession.java:368)
at org.apache.catalina.session.StandardSession.setId(StandardSession.java:349)
at org.apache.catalina.session.ManagerBase.createSession(ManagerBase.java:665)
at org.apache.catalina.connector.Request.doGetSession(Request.java:2987)
at org.apache.catalina.connector.Request.getSession(Request.java:2356)
at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:908)
at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:920)
at org.apache.jasper.runtime.PageContextImpl.initialize(PageContextImpl.java:137)
at org.apache.jasper.runtime.JspFactoryImpl.internalGetPageContext(JspFactoryImpl.java:109)
at org.apache.jasper.runtime.JspFactoryImpl.getPageContext(JspFactoryImpl.java:60)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:100)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
八月 08, 2016 6:18:02 下午 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet [crunchify] in context with path [/CrunchifySpringMvcTutorial] threw exception [Handler processing failed; nested exception is java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.getMapping()Ljavax/servlet/http/Mapping;] with root cause
java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.getMapping()Ljavax/servlet/http/Mapping;
at org.apache.catalina.core.ApplicationHttpRequest.setRequest(ApplicationHttpRequest.java:707)
at org.apache.catalina.core.ApplicationHttpRequest.
at org.apache.catalina.core.ApplicationDispatcher.wrapRequest(ApplicationDispatcher.java:920)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:358)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311)
at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:168)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1257)
at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1037)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:980)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
八月 08, 2016 6:23:37 下午 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet [crunchify] in context with path [/CrunchifySpringMvcTutorial] threw exception [Handler processing failed; nested exception is java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.getMapping()Ljavax/servlet/http/Mapping;] with root cause
java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.getMapping()Ljavax/servlet/http/Mapping;
at org.apache.catalina.core.ApplicationHttpRequest.setRequest(ApplicationHttpRequest.java:707)
at org.apache.catalina.core.ApplicationHttpRequest.
at org.apache.catalina.core.ApplicationDispatcher.wrapRequest(ApplicationDispatcher.java:920)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:358)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311)
at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:168)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1257)
at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1037)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:980)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
截图不全，看不完整。
另外，tomcat 9,你的JDK是JDK8吗？
解决方案6:你项目上还有红叉呢····解决了再启动···
解决方案7:大个断点进去看哪步错了
解决方案8:是否jar包有冲突？
解决方案9:webservice？