title: Tomcat org.apache.catalina.LifecycleException \ Can't run server \ http 404 error
body: <p>I got tomcat apache 7 and I'm using eclipse, I got some different error in different tries to fix this error:</p>
  
  <pre><code>Mar 24, 2016 1:15:10 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
  WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:HechtMuseum' did not find a matching property.
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Server version:        Apache Tomcat/7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Server built:          Feb 8 2016 20:25:54 UTC
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Server number:         7.0.68.0
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: OS Name:               Windows 10
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: OS Version:            10.0
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Architecture:          amd64
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Java Home:             C:\Program Files\Java\jre1.8.0_66
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: JVM Version:           1.8.0_66-b18
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: JVM Vendor:            Oracle Corporation
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: CATALINA_BASE:         C:\Users\Rami\Downloads\apache-tomcat-7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: CATALINA_HOME:         C:\Users\Rami\Downloads\apache-tomcat-7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:62557
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Dcatalina.base=C:\Users\Rami\Downloads\apache-tomcat-7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Dcatalina.home=C:\Users\Rami\Downloads\apache-tomcat-7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Dwtp.deploy=C:\Users\Rami\Downloads\apache-tomcat-7.0.68\wtpwebapps
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Djava.endorsed.dirs=C:\Users\Rami\Downloads\apache-tomcat-7.0.68\endorsed
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Dfile.encoding=Cp1252
  Mar 24, 2016 1:15:10 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
  INFO: 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\jre1.8.0_66\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files (x86)\iis express\PHP\v5.4;C:\ProgramData\Oracle\Java\javapath;get\;C:\Program Files\Java\jdk1.8.0_45\bin;C:\Program Files\SourceGear\Common\DiffMerge\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files\Microsoft\Web Platform Installer\;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Skype\Phone\;C:\WINDOWS\system32\config\systemprofile\.dnx\bin;C:\Program Files\Microsoft DNX\Dnvm\;C:\Program Files (x86)\MySQL\MySQL Fabric 1.5 &amp; MySQL Utilities 1.5\;C:\Program Files (x86)\MySQL\MySQL Fabric 1.5 &amp; MySQL Utilities 1.5\Doctrine extensions for PHP\;.
  Mar 24, 2016 1:15:10 PM org.apache.coyote.AbstractProtocol init
  INFO: Initializing ProtocolHandler ["http-bio-8080"]
  Mar 24, 2016 1:15:10 PM org.apache.coyote.AbstractProtocol init
  INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.Catalina load
  INFO: Initialization processed in 1288 ms
  Mar 24, 2016 1:15:10 PM org.apache.catalina.core.StandardService startInternal
  INFO: Starting service Catalina
  Mar 24, 2016 1:15:10 PM org.apache.catalina.core.StandardEngine startInternal
  INFO: Starting Servlet Engine: Apache Tomcat/7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.loader.WebappClassLoaderBase validateJarFile
  INFO: validateJarFile(C:\Users\Rami\Downloads\apache-tomcat-7.0.68\wtpwebapps\HechtMuseum\WEB-INF\lib\el-api.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/el/Expression.class
  Mar 24, 2016 1:15:10 PM org.apache.catalina.loader.WebappClassLoaderBase validateJarFile
  INFO: validateJarFile(C:\Users\Rami\Downloads\apache-tomcat-7.0.68\wtpwebapps\HechtMuseum\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/servlet/Servlet.class
  Mar 24, 2016 1:15:11 PM org.apache.catalina.startup.TldConfig execute
  INFO: 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.
  Mar 24, 2016 1:15:11 PM org.apache.catalina.core.ContainerBase startInternal
  SEVERE: A child container failed during start
  java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/HechtMuseum]]
      at java.util.concurrent.FutureTask.report(Unknown Source)
      at java.util.concurrent.FutureTask.get(Unknown Source)
      at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1120)
      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$StartChild.call(ContainerBase.java:1572)
      at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1562)
      at java.util.concurrent.FutureTask.run(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      at java.lang.Thread.run(Unknown Source)
  Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/HechtMuseum]]
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
      ... 6 more
  Caused by: java.lang.ClassCastException: org.apache.catalina.core.DefaultInstanceManager cannot be cast to org.apache.tomcat.InstanceManager
      at org.apache.tomcat.websocket.server.WsServerContainer.&lt;init&gt;(WsServerContainer.java:102)
      at org.apache.tomcat.websocket.server.WsSci.init(WsSci.java:154)
      at org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:68)
      at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5573)
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
      ... 6 more
  
  Mar 24, 2016 1:15:11 PM org.apache.catalina.core.ContainerBase startInternal
  SEVERE: 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(Unknown Source)
      at java.util.concurrent.FutureTask.get(Unknown Source)
      at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1120)
      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:738)
      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(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      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$StartChild.call(ContainerBase.java:1572)
      at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1562)
      at java.util.concurrent.FutureTask.run(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      at java.lang.Thread.run(Unknown Source)
  Caused by: org.apache.catalina.LifecycleException: A child container failed during start
      at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1128)
      at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
      ... 6 more
  
  Mar 24, 2016 1:15:11 PM org.apache.catalina.startup.Catalina start
  SEVERE: 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(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      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:738)
      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:1128)
      at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300)
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
      ... 11 more
  
  Mar 24, 2016 1:15:11 PM org.apache.coyote.AbstractProtocol pause
  INFO: Pausing ProtocolHandler ["http-bio-8080"]
  Mar 24, 2016 1:15:11 PM org.apache.coyote.AbstractProtocol pause
  INFO: Pausing ProtocolHandler ["ajp-bio-8009"]
  Mar 24, 2016 1:15:11 PM org.apache.catalina.core.StandardService stopInternal
  INFO: Stopping service Catalina
  Mar 24, 2016 1:15:11 PM org.apache.coyote.AbstractProtocol destroy
  INFO: Destroying ProtocolHandler ["http-bio-8080"]
  Mar 24, 2016 1:15:11 PM org.apache.coyote.AbstractProtocol destroy
  INFO: Destroying ProtocolHandler ["ajp-bio-8009"]
  </code></pre>
  
  <p>I got the catalina jar into lib in my WEB-INF, If I remove it i get:</p>
  
  <pre><code>begin
  WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:HechtMuseum' did not find a matching property.
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Server version:        Apache Tomcat/7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Server built:          Feb 8 2016 20:25:54 UTC
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Server number:         7.0.68.0
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: OS Name:               Windows 10
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: OS Version:            10.0
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Architecture:          amd64
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Java Home:             C:\Program Files\Java\jre1.8.0_66
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: JVM Version:           1.8.0_66-b18
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: JVM Vendor:            Oracle Corporation
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: CATALINA_BASE:         C:\Users\Rami\Downloads\apache-tomcat-7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: CATALINA_HOME:         C:\Users\Rami\Downloads\apache-tomcat-7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:62557
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Dcatalina.base=C:\Users\Rami\Downloads\apache-tomcat-7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Dcatalina.home=C:\Users\Rami\Downloads\apache-tomcat-7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Dwtp.deploy=C:\Users\Rami\Downloads\apache-tomcat-7.0.68\wtpwebapps
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Djava.endorsed.dirs=C:\Users\Rami\Downloads\apache-tomcat-7.0.68\endorsed
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.VersionLoggerListener log
  INFO: Command line argument: -Dfile.encoding=Cp1252
  Mar 24, 2016 1:15:10 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
  INFO: 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\jre1.8.0_66\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files (x86)\iis express\PHP\v5.4;C:\ProgramData\Oracle\Java\javapath;get\;C:\Program Files\Java\jdk1.8.0_45\bin;C:\Program Files\SourceGear\Common\DiffMerge\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files\Microsoft\Web Platform Installer\;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Skype\Phone\;C:\WINDOWS\system32\config\systemprofile\.dnx\bin;C:\Program Files\Microsoft DNX\Dnvm\;C:\Program Files (x86)\MySQL\MySQL Fabric 1.5 &amp; MySQL Utilities 1.5\;C:\Program Files (x86)\MySQL\MySQL Fabric 1.5 &amp; MySQL Utilities 1.5\Doctrine extensions for PHP\;.
  Mar 24, 2016 1:15:10 PM org.apache.coyote.AbstractProtocol init
  INFO: Initializing ProtocolHandler ["http-bio-8080"]
  Mar 24, 2016 1:15:10 PM org.apache.coyote.AbstractProtocol init
  INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
  Mar 24, 2016 1:15:10 PM org.apache.catalina.startup.Catalina load
  INFO: Initialization processed in 1288 ms
  Mar 24, 2016 1:15:10 PM org.apache.catalina.core.StandardService startInternal
  INFO: Starting service Catalina
  Mar 24, 2016 1:15:10 PM org.apache.catalina.core.StandardEngine startInternal
  INFO: Starting Servlet Engine: Apache Tomcat/7.0.68
  Mar 24, 2016 1:15:10 PM org.apache.catalina.loader.WebappClassLoaderBase validateJarFile
  INFO: validateJarFile(C:\Users\Rami\Downloads\apache-tomcat-7.0.68\wtpwebapps\HechtMuseum\WEB-INF\lib\el-api.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/el/Expression.class
  Mar 24, 2016 1:15:10 PM org.apache.catalina.loader.WebappClassLoaderBase validateJarFile
  INFO: validateJarFile(C:\Users\Rami\Downloads\apache-tomcat-7.0.68\wtpwebapps\HechtMuseum\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/servlet/Servlet.class
  Mar 24, 2016 1:15:11 PM org.apache.catalina.startup.TldConfig execute
  INFO: 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.
  Mar 24, 2016 1:15:11 PM org.apache.catalina.core.ContainerBase startInternal
  SEVERE: A child container failed during start
  java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/HechtMuseum]]
      at java.util.concurrent.FutureTask.report(Unknown Source)
      at java.util.concurrent.FutureTask.get(Unknown Source)
      at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1120)
      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$StartChild.call(ContainerBase.java:1572)
      at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1562)
      at java.util.concurrent.FutureTask.run(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      at java.lang.Thread.run(Unknown Source)
  Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/HechtMuseum]]
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
      ... 6 more
  Caused by: java.lang.ClassCastException: org.apache.catalina.core.DefaultInstanceManager cannot be cast to org.apache.tomcat.InstanceManager
      at org.apache.tomcat.websocket.server.WsServerContainer.&lt;init&gt;(WsServerContainer.java:102)
      at org.apache.tomcat.websocket.server.WsSci.init(WsSci.java:154)
      at org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:68)
      at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5573)
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
      ... 6 more
  
  Mar 24, 2016 1:15:11 PM org.apache.catalina.core.ContainerBase startInternal
  SEVERE: 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(Unknown Source)
      at java.util.concurrent.FutureTask.get(Unknown Source)
      at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1120)
      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:738)
      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(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      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$StartChild.call(ContainerBase.java:1572)
      at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1562)
      at java.util.concurrent.FutureTask.run(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      at java.lang.Thread.run(Unknown Source)
  Caused by: org.apache.catalina.LifecycleException: A child container failed during start
      at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1128)
      at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
      ... 6 more
  
  Mar 24, 2016 1:15:11 PM org.apache.catalina.startup.Catalina start
  SEVERE: 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(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      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:738)
      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:1128)
      at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300)
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
      ... 11 more
  
  Mar 24, 2016 1:15:11 PM org.apache.coyote.AbstractProtocol pause
  INFO: Pausing ProtocolHandler ["http-bio-8080"]
  Mar 24, 2016 1:15:11 PM org.apache.coyote.AbstractProtocol pause
  INFO: Pausing ProtocolHandler ["ajp-bio-8009"]
  Mar 24, 2016 1:15:11 PM org.apache.catalina.core.StandardService stopInternal
  INFO: Stopping service Catalina
  Mar 24, 2016 1:15:11 PM org.apache.coyote.AbstractProtocol destroy
  INFO: Destroying ProtocolHandler ["http-bio-8080"]
  Mar 24, 2016 1:15:11 PM org.apache.coyote.AbstractProtocol destroy
  INFO: Destroying ProtocolHandler ["ajp-bio-800
  </code></pre>
  
  <p><a href="http://i.stack.imgur.com/pKUlw.png" rel="nofollow">And i get this error</a></p>
  
  <p>Web Xml:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"&gt;
    &lt;display-name&gt;HechtMuseum_Ap7&lt;/display-name&gt;
    &lt;welcome-file-list&gt;
      &lt;welcome-file&gt;index.html&lt;/welcome-file&gt;
      &lt;welcome-file&gt;index.htm&lt;/welcome-file&gt;
      &lt;welcome-file&gt;index.jsp&lt;/welcome-file&gt;
      &lt;welcome-file&gt;default.html&lt;/welcome-file&gt;
      &lt;welcome-file&gt;default.htm&lt;/welcome-file&gt;
      &lt;welcome-file&gt;default.jsp&lt;/welcome-file&gt;
      &lt;welcome-file&gt;uploadFile.jsp&lt;/welcome-file&gt;
      &lt;welcome-file&gt;Question.jsp&lt;/welcome-file&gt;
    &lt;/welcome-file-list&gt;
    &lt;servlet&gt;
      &lt;description&gt;&lt;/description&gt;
      &lt;display-name&gt;Uploader&lt;/display-name&gt;
      &lt;servlet-name&gt;Uploader&lt;/servlet-name&gt;
      &lt;servlet-class&gt;Demo.Uploader&lt;/servlet-class&gt;
    &lt;/servlet&gt;
    &lt;servlet-mapping&gt;
      &lt;servlet-name&gt;Uploader&lt;/servlet-name&gt;
      &lt;url-pattern&gt;/Uploader/*&lt;/url-pattern&gt;
    &lt;/servlet-mapping&gt;
  &lt;/web-app&gt;
  </code></pre>