Eclipse中的项目新添加一个servlet之后无法启动tomcat，求解决办法~

http://www.cnblogs.com/bingzisky/p/3260027.html

以下是报错信息~~
三月 01, 2017 9:51:42 上午 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Exceltomysql' did not find a matching property.
三月 01, 2017 9:51:42 上午 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Tomysql' did not find a matching property.
三月 01, 2017 9:51:42 上午 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:XSTXK' did not find a matching property.
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server version: Apache Tomcat/7.0.70
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server built: Jun 15 2016 16:27:45 UTC
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server number: 7.0.70.0
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Name: Windows 8
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Version: 6.2
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Architecture: amd64
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Java Home: C:\Program Files\Java\jdk1.7.0_45\jre
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Version: 1.7.0_45-b18
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Vendor: Oracle Corporation
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_BASE: D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_HOME: D:\BIYESHEJI\Tomcat7
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.base=D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.home=D:\BIYESHEJI\Tomcat7
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dwtp.deploy=D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Djava.endorsed.dirs=D:\BIYESHEJI\Tomcat7\endorsed
三月 01, 2017 9:51:42 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dfile.encoding=GBK
三月 01, 2017 9:51:42 上午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: Loaded APR based Apache Tomcat Native library 1.2.7 using APR version 1.5.2.
三月 01, 2017 9:51:42 上午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
三月 01, 2017 9:51:44 上午 org.apache.catalina.core.AprLifecycleListener initializeSSL
信息: OpenSSL successfully initialized (OpenSSL 1.0.2h 3 May 2016)
三月 01, 2017 9:51:44 上午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-apr-8080"]
三月 01, 2017 9:51:44 上午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-apr-8009"]
三月 01, 2017 9:51:44 上午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 2641 ms
三月 01, 2017 9:51:44 上午 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
三月 01, 2017 9:51:44 上午 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/7.0.70
三月 01, 2017 9:51:45 上午 org.apache.catalina.core.ContainerBase startInternal
严重: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/XSTXK]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:188)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1119)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1571)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1561)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/XSTXK]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
... 6 more
Caused by: java.lang.IllegalArgumentException: The servlets named [ExportExcelServlet] and [com.imnu.test.ExportExcelServlet] are both mapped to the url-pattern [/ExportExcelServlet] which is not permitted
at org.apache.catalina.deploy.WebXml.addServletMapping(WebXml.java:293)
at org.apache.catalina.startup.ContextConfig.processAnnotationWebServlet(ContextConfig.java:2460)
at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2135)
at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2096)
at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2088)
at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2088)
at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2088)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1302)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:887)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:387)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5503)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
... 6 more

三月 01, 2017 9:51:45 上午 org.apache.catalina.loader.WebappClassLoaderBase validateJarFile
信息: validateJarFile(D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\Exceltomysql\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/servlet/Servlet.class
三月 01, 2017 9:51:46 上午 org.apache.catalina.startup.TldConfig execute
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.
三月 01, 2017 9:51:46 上午 org.apache.catalina.startup.TldConfig execute
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.
三月 01, 2017 9:51:46 上午 org.apache.catalina.core.ContainerBase startInternal
严重: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:188)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1119)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:444)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:756)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
at org.apache.catalina.startup.Catalina.start(Catalina.java:693)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:428)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1571)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1561)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1127)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
... 6 more

三月 01, 2017 9:51:46 上午 org.apache.catalina.startup.Catalina start
严重: The required Server component failed to start so Tomcat is unable to start.
org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
at org.apache.catalina.startup.Catalina.start(Catalina.java:693)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:428)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:756)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
... 7 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:444)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
... 9 more
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1127)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
... 11 more

三月 01, 2017 9:51:46 上午 org.apache.coyote.AbstractProtocol pause
信息: Pausing ProtocolHandler ["http-apr-8080"]
三月 01, 2017 9:51:46 上午 org.apache.coyote.AbstractProtocol pause
信息: Pausing ProtocolHandler ["ajp-apr-8009"]
三月 01, 2017 9:51:46 上午 org.apache.catalina.core.StandardService stopInternal
信息: Stopping service Catalina
三月 01, 2017 9:51:46 上午 org.apache.coyote.AbstractProtocol destroy
信息: Destroying ProtocolHandler ["http-apr-8080"]
三月 01, 2017 9:51:46 上午 org.apache.coyote.AbstractProtocol destroy
信息: Destroying ProtocolHandler ["ajp-apr-8009"]

然后以下是该servlet的web.xml配置信息~


ExportExcelServlet
ExportExcelServlet
com.imnu.test.ExportExcelServlet


ExportExcelServlet
/ExportExcelServlet

三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server version: Apache Tomcat/7.0.70
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server built: Jun 15 2016 16:27:45 UTC
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server number: 7.0.70.0
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Name: Windows 8
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Version: 6.2
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Architecture: amd64
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Java Home: C:\Program Files\Java\jdk1.7.0_45\jre
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Version: 1.7.0_45-b18
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Vendor: Oracle Corporation
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_BASE: D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_HOME: D:\BIYESHEJI\Tomcat7
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.base=D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.home=D:\BIYESHEJI\Tomcat7
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dwtp.deploy=D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Djava.endorsed.dirs=D:\BIYESHEJI\Tomcat7\endorsed
三月 01, 2017 11:08:36 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dfile.encoding=GBK
三月 01, 2017 11:08:36 上午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: Loaded APR based Apache Tomcat Native library 1.2.7 using APR version 1.5.2.
三月 01, 2017 11:08:36 上午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
三月 01, 2017 11:08:37 上午 org.apache.catalina.core.AprLifecycleListener initializeSSL
信息: OpenSSL successfully initialized (OpenSSL 1.0.2h 3 May 2016)
三月 01, 2017 11:08:37 上午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-apr-8080"]
三月 01, 2017 11:08:37 上午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-apr-8009"]
三月 01, 2017 11:08:37 上午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 2766 ms
三月 01, 2017 11:08:37 上午 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
三月 01, 2017 11:08:37 上午 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/7.0.70
三月 01, 2017 11:08:38 上午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\conf\Catalina\localhost\Exceltomysql.xml
三月 01, 2017 11:08:38 上午 org.apache.catalina.startup.SetContextPropertiesRule begin
警告: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Exceltomysql' did not find a matching property.
三月 01, 2017 11:08:38 上午 org.apache.catalina.loader.WebappClassLoaderBase validateJarFile
信息: validateJarFile(D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\Exceltomysql\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/servlet/Servlet.class
三月 01, 2017 11:08:39 上午 org.apache.catalina.startup.TldConfig execute
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.
三月 01, 2017 11:08:39 上午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deployment of configuration descriptor D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\conf\Catalina\localhost\Exceltomysql.xml has finished in 892 ms
三月 01, 2017 11:08:39 上午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\conf\Catalina\localhost\Tomysql.xml
三月 01, 2017 11:08:39 上午 org.apache.catalina.startup.SetContextPropertiesRule begin
警告: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Tomysql' did not find a matching property.
三月 01, 2017 11:08:40 上午 org.apache.catalina.startup.TldConfig execute
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.
三月 01, 2017 11:08:40 上午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deployment of configuration descriptor D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\conf\Catalina\localhost\Tomysql.xml has finished in 683 ms
三月 01, 2017 11:08:40 上午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\conf\Catalina\localhost\XSTXK.xml
三月 01, 2017 11:08:40 上午 org.apache.catalina.startup.SetContextPropertiesRule begin
警告: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:XSTXK' did not find a matching property.
三月 01, 2017 11:08:40 上午 org.apache.catalina.core.ContainerBase addChildInternal
严重: ContainerBase.addChild: start:
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/XSTXK]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:679)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1966)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.NoClassDefFoundError: jxl/write/WritableCell
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2397)
at java.lang.Class.getDeclaredFields(Class.java:1806)
at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:106)
at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:270)
at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:139)
at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:65)
at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:416)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:890)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:387)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5503)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
... 10 more
Caused by: java.lang.ClassNotFoundException: jxl.write.WritableCell
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1891)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1734)
... 24 more

三月 01, 2017 11:08:40 上午 org.apache.catalina.startup.HostConfig deployDescriptor
严重: Error deploying configuration descriptor D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\conf\Catalina\localhost\XSTXK.xml
java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/XSTXK]]
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:903)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:679)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1966)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)

三月 01, 2017 11:08:40 上午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deployment of configuration descriptor D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\conf\Catalina\localhost\XSTXK.xml has finished in 446 ms
三月 01, 2017 11:08:40 上午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-apr-8080"]
三月 01, 2017 11:08:40 上午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["ajp-apr-8009"]
三月 01, 2017 11:08:41 上午 org.apache.catalina.startup.Catalina start
信息: Server startup in 3335 ms

D:\BIYESHEJI\Workshop.metadata.plugins\org.eclipse.wst.server.core\tmp0\conf\Catalina\localhost\XSTXK.xml

应该是这个路径有问题

若是web.xml 没有写对的话也可能出现你那种情况，

我要改bug了，还有问题的话给我发失信把

http://blog.csdn.net/vonzhoufz/article/details/46442183