tomcat启动失败！‘Staring Tomcat v8.0 Server at localhost' has encountered a problem. failed to start

五月 17, 2018 3:59:11 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:psyOrder' did not find a matching property.
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server version:        Apache Tomcat/8.0.39
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server built:          Nov 9 2016 08:48:39 UTC
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server number:         8.0.39.0
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Name:               Windows 10
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Version:            10.0
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Architecture:          amd64
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Java Home:             D:\JavaTools\jdk\jdk1.8.0_144\jre
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Version:           1.8.0_144-b01
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Vendor:            Oracle Corporation
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_BASE:         E:\Projects\eclipse-workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_HOME:         D:\JavaTools\Tomcat 8.0.39
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.base=E:\Projects\eclipse-workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.home=D:\JavaTools\Tomcat 8.0.39
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dwtp.deploy=E:\Projects\eclipse-workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Djava.endorsed.dirs=D:\JavaTools\Tomcat 8.0.39\endorsed
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dfile.encoding=UTF-8
五月 17, 2018 3:59:11 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: D:\JavaTools\jdk\jdk1.8.0_144\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;D:/JavaTools/jdk/jre1.8.0_144/bin/server;D:/JavaTools/jdk/jre1.8.0_144/bin;D:/JavaTools/jdk/jre1.8.0_144/lib/amd64;C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\JavaTools\jdk\jdk1.8.0_144\bin;D:\JavaTools\jdk\jdk1.8.0_144\jre\bin;D:\JavaTools\MySQL\MySQL Server 5.5\bin;D:\JavaTools\Git\cmd;C:\Users\chengjun\AppData\Local\Microsoft\WindowsApps;;D:\JavaTools\jee-oxygen\eclipse;;.
五月 17, 2018 3:59:11 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-nio-8080"]
五月 17, 2018 3:59:11 下午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
信息: Using a shared selector for servlet write/read
五月 17, 2018 3:59:11 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-nio-8009"]
五月 17, 2018 3:59:11 下午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
信息: Using a shared selector for servlet write/read
五月 17, 2018 3:59:11 下午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 537 ms
五月 17, 2018 3:59:11 下午 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
五月 17, 2018 3:59:11 下午 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/8.0.39
五月 17, 2018 3:59:14 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.
五月 17, 2018 3:59:14 下午 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[/psyOrder]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/psyOrder]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
... 6 more
Caused by: java.lang.IllegalArgumentException: The servlets named [cn.edu.zhku.psyorder.optionaltime.web.servlet.OptionalTimeServlet] and [cn.edu.zhku.psyorder.optionaltime.web.servlet._OptionalTimeServlet] are both mapped to the url-pattern [/optionalTime] which is not permitted
at org.apache.tomcat.util.descriptor.web.WebXml.addServletMappingDecoded(WebXml.java:316)
at org.apache.tomcat.util.descriptor.web.WebXml.addServletMapping(WebXml.java:309)
at org.apache.catalina.startup.ContextConfig.processAnnotationWebServlet(ContextConfig.java:2384)
at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2066)
at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1951)
at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1945)
at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1945)
at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1945)
at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1945)
at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1945)
at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1945)
at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:1945)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1156)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:783)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:307)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:95)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5213)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
... 6 more


五月 17, 2018 3:59:14 下午 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:192)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:441)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:789)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.startup.Catalina.start(Catalina.java:629)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:951)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
... 6 more


五月 17, 2018 3:59:14 下午 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:162)
at org.apache.catalina.startup.Catalina.start(Catalina.java:629)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:789)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
... 7 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:441)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
... 9 more
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:951)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
... 11 more


五月 17, 2018 3:59:14 下午 org.apache.coyote.AbstractProtocol pause
信息: Pausing ProtocolHandler ["http-nio-8080"]
五月 17, 2018 3:59:14 下午 org.apache.coyote.AbstractProtocol pause
信息: Pausing ProtocolHandler ["ajp-nio-8009"]
五月 17, 2018 3:59:14 下午 org.apache.catalina.core.StandardService stopInternal
信息: Stopping service Catalina
五月 17, 2018 3:59:14 下午 org.apache.coyote.AbstractProtocol destroy
信息: Destroying ProtocolHandler ["http-nio-8080"]
五月 17, 2018 3:59:14 下午 org.apache.coyote.AbstractProtocol destroy
严重: Failed to destroy end point associated with ProtocolHandler ["http-nio-8080"]
java.lang.NullPointerException
at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:316)
at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:492)
at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:833)
at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:551)
at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023)
at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:589)
at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:879)
at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)


五月 17, 2018 3:59:14 下午 org.apache.coyote.AbstractProtocol destroy
信息: Destroying ProtocolHandler ["ajp-nio-8009"]
五月 17, 2018 3:59:14 下午 org.apache.coyote.AbstractProtocol destroy
严重: Failed to destroy end point associated with ProtocolHandler ["ajp-nio-8009"]
java.lang.NullPointerException
at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:316)
at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:492)
at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:833)
at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:551)
at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023)
at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:589)
at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:879)
at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)
 

天呐！！！终于解决了

我的错误是因为想复制一个servlet，然后忘记改旧的那个servlet里的@WebServlet("/路径")的路径了，应该是一个路径对两个servlet所以冲突了，注释或者删掉旧的servlet的@WebServlet就行了。