title: Spring MVC suddenly class Not found DispatcherServlet
body: <p>my WebApp was working and everything was fine until i tried to implement some fileupload.
  But it didnt worked so i just returned everything to the previous state. But since then its not working. My Stacktrace:</p>
  
  <pre><code>Feb 11, 2014 4:11:35 PM org.apache.catalina.core.AprLifecycleListener init
  INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\java\jdk1.7.0_25\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\oraclexe\app\oracle\product\11.2.0\server\bin;C:\Program Files (x86)\AMD APP\bin\x86_64;C:\Program Files (x86)\AMD APP\bin\x86;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;c:\Program Files\Intel\DMIX;C:\Program Files (x86)\Common Files\Roxio Shared\DLLShared\;C:\Program Files (x86)\Common Files\Roxio Shared\10.0\DLLShared\;C:\java\SlikSvn\bin;C:\java\apache-maven-3.0.5\bin;C:\java\apache-ant-1.8.4\bin;C:\java\SlikSvn\bin;C:\java\jdk1.7.0_25\bin;C:\oraclexe\app\oracle\product\11.2.0\server\bin;C:\Program Files (x86)\AMD APP\bin\x86_64;C:\Program Files (x86)\AMD APP\bin\x86;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;c:\Program Files\Intel\DMIX;C:\Program Files (x86)\Common Files\Roxio Shared\DLLShared\;C:\Program Files (x86)\Common Files\Roxio Shared\10.0\DLLShared\;C:\java\SlikSvn\bin;C:\Python27\Scripts;C:\Program Files (x86)\Google\google_appengine\;.
  Feb 11, 2014 4:11:35 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
  WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:springproject' did not find a matching property.
  Feb 11, 2014 4:11:36 PM org.apache.coyote.http11.Http11Protocol init
  INFO: Initializing Coyote HTTP/1.1 on http-8080
  Feb 11, 2014 4:11:36 PM org.apache.catalina.startup.Catalina load
  INFO: Initialization processed in 521 ms
  Feb 11, 2014 4:11:36 PM org.apache.catalina.core.StandardService start
  INFO: Starting service Catalina
  Feb 11, 2014 4:11:36 PM org.apache.catalina.core.StandardEngine start
  INFO: Starting Servlet Engine: Apache Tomcat/6.0.35
  Feb 11, 2014 4:11:36 PM org.apache.catalina.core.ApplicationContext log
  INFO: Marking servlet ds as unavailable
  Feb 11, 2014 4:11:36 PM org.apache.catalina.core.ApplicationContext log
  SEVERE: Error loading WebappClassLoader
    context: /springproject
    delegate: false
    repositories:
      /WEB-INF/classes/
  ----------&gt; Parent Classloader:
  org.apache.catalina.loader.StandardClassLoader@139231a9
   org.springframework.web.servlet.DispatcherServlet
  java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
      at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
      at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
      at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1128)
      at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026)
      at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421)
      at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734)
      at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
      at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
      at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
      at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
      at org.apache.catalina.core.StandardService.start(StandardService.java:525)
      at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
      at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
      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:289)
      at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
  
  Feb 11, 2014 4:11:36 PM org.apache.catalina.core.StandardContext loadOnStartup
  SEVERE: Servlet /springproject threw load() exception
  java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
      at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
      at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
      at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1128)
      at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026)
      at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421)
      at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734)
      at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
      at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
      at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
      at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
      at org.apache.catalina.core.StandardService.start(StandardService.java:525)
      at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
      at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
      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:289)
      at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
  
  Feb 11, 2014 4:11:36 PM org.apache.coyote.http11.Http11Protocol start
  INFO: Starting Coyote HTTP/1.1 on http-8080
  Feb 11, 2014 4:11:36 PM org.apache.jk.common.ChannelSocket init
  INFO: JK: ajp13 listening on /0.0.0.0:8009
  Feb 11, 2014 4:11:36 PM org.apache.jk.server.JkMain start
  INFO: Jk running ID=0 time=0/13  config=null
  Feb 11, 2014 4:11:36 PM org.apache.catalina.startup.Catalina start
  INFO: Server startup in 672 ms
  Feb 11, 2014 4:11:42 PM org.apache.catalina.core.StandardWrapperValve invoke
  INFO: Servlet ds is currently unavailable
  Feb 11, 2014 4:11:43 PM org.apache.catalina.core.StandardWrapperValve invoke
  INFO: Servlet ds is currently unavailable
  Feb 11, 2014 4:11:44 PM org.apache.catalina.core.StandardWrapperValve invoke
  INFO: Servlet ds is currently unavailable
  </code></pre>
  
  <p>my Pom.xml</p>
  
  <pre><code>&lt;project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"&gt;
  &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
  &lt;groupId&gt;springproject&lt;/groupId&gt;
  &lt;artifactId&gt;springproject&lt;/artifactId&gt;
  &lt;version&gt;0.0.1-SNAPSHOT&lt;/version&gt;
  &lt;packaging&gt;war&lt;/packaging&gt;
  &lt;build&gt;
      &lt;sourceDirectory&gt;src&lt;/sourceDirectory&gt;
      &lt;plugins&gt;
          &lt;plugin&gt;
              &lt;artifactId&gt;maven-compiler-plugin&lt;/artifactId&gt;
              &lt;version&gt;3.1&lt;/version&gt;
              &lt;configuration&gt;
                  &lt;source&gt;1.7&lt;/source&gt;
                  &lt;target&gt;1.7&lt;/target&gt;
              &lt;/configuration&gt;
          &lt;/plugin&gt;
          &lt;plugin&gt;
              &lt;artifactId&gt;maven-war-plugin&lt;/artifactId&gt;
              &lt;version&gt;2.3&lt;/version&gt;
              &lt;configuration&gt;
                  &lt;warSourceDirectory&gt;WebContent&lt;/warSourceDirectory&gt;
                  &lt;failOnMissingWebXml&gt;false&lt;/failOnMissingWebXml&gt;
              &lt;/configuration&gt;
          &lt;/plugin&gt;
      &lt;/plugins&gt;
  &lt;/build&gt;
  
  
  &lt;dependencies&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;jstl&lt;/groupId&gt;
          &lt;artifactId&gt;jstl&lt;/artifactId&gt;
          &lt;version&gt;1.2&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework&lt;/groupId&gt;
          &lt;artifactId&gt;spring-core&lt;/artifactId&gt;
          &lt;version&gt;4.0.0.RELEASE&lt;/version&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework&lt;/groupId&gt;
          &lt;artifactId&gt;spring-webmvc&lt;/artifactId&gt;
          &lt;version&gt;4.0.0.RELEASE&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;dependency&gt;
          &lt;groupId&gt;org.hibernate&lt;/groupId&gt;
          &lt;artifactId&gt;hibernate-entitymanager&lt;/artifactId&gt;
          &lt;version&gt;4.3.0.Final&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;dependency&gt;
          &lt;groupId&gt;org.hibernate.javax.persistence&lt;/groupId&gt;
          &lt;artifactId&gt;hibernate-jpa-2.0-api&lt;/artifactId&gt;
          &lt;version&gt;1.0.1.Final&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;!-- Spring JDBC --&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework&lt;/groupId&gt;
          &lt;artifactId&gt;spring-jdbc&lt;/artifactId&gt;
          &lt;version&gt;4.0.0.RELEASE&lt;/version&gt;
      &lt;/dependency&gt;
      &lt;!-- H2 Driver --&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;com.h2database&lt;/groupId&gt;
          &lt;artifactId&gt;h2&lt;/artifactId&gt;
          &lt;version&gt;1.2.140&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;dependency&gt;
          &lt;groupId&gt;org.json&lt;/groupId&gt;
          &lt;artifactId&gt;json&lt;/artifactId&gt;
          &lt;version&gt;20070829&lt;/version&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;org.codehaus.jackson&lt;/groupId&gt;
          &lt;artifactId&gt;jackson-core-asl&lt;/artifactId&gt;
          &lt;version&gt;1.9.13&lt;/version&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;org.codehaus.jackson&lt;/groupId&gt;
          &lt;artifactId&gt;jackson-mapper-asl&lt;/artifactId&gt;
          &lt;version&gt;1.9.13&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;dependency&gt;
          &lt;groupId&gt;commons-codec&lt;/groupId&gt;
          &lt;artifactId&gt;commons-codec&lt;/artifactId&gt;
          &lt;version&gt;1.9&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;dependency&gt;
          &lt;groupId&gt;org.apache.commons&lt;/groupId&gt;
          &lt;artifactId&gt;commons-lang3&lt;/artifactId&gt;
          &lt;version&gt;3.1&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework.security&lt;/groupId&gt;
          &lt;artifactId&gt;spring-security-config&lt;/artifactId&gt;
          &lt;version&gt;3.2.0.RELEASE&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework.security&lt;/groupId&gt;
          &lt;artifactId&gt;spring-security-core&lt;/artifactId&gt;
          &lt;version&gt;3.2.0.RELEASE&lt;/version&gt;
      &lt;/dependency&gt;
  
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework.security&lt;/groupId&gt;
          &lt;artifactId&gt;spring-security-web&lt;/artifactId&gt;
          &lt;version&gt;3.2.0.RELEASE&lt;/version&gt;
      &lt;/dependency&gt;
  
  &lt;/dependencies&gt;
  </code></pre>
  
  <p></p>
  
  <p>my Web.xml:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  </code></pre>
  
  <p>http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd <a href="http://xmlns.jcp.org/xml/ns/javaee" rel="nofollow">http://xmlns.jcp.org/xml/ns/javaee</a> <a href="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" rel="nofollow">http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd</a>"
      version="2.4"></p>
  
  <pre><code>&lt;display-name&gt;springproject&lt;/display-name&gt;
  
  &lt;context-param&gt;
      &lt;param-name&gt;contextConfigLocation&lt;/param-name&gt;
      &lt;param-value&gt;classpath:spring/Application-context.xml&lt;/param-value&gt;
  &lt;/context-param&gt;
  
  
  &lt;!-- Handles all requests into the application --&gt;
  &lt;servlet&gt;
      &lt;servlet-name&gt;ds&lt;/servlet-name&gt;
      &lt;servlet-class&gt;org.springframework.web.servlet.DispatcherServlet&lt;/servlet-class&gt;
      &lt;init-param&gt;
          &lt;param-name&gt;contextConfigLocation&lt;/param-name&gt;
          &lt;param-value&gt;
              /WEB-INF/spring/servlets/servlet-context.xml
          &lt;/param-value&gt;
      &lt;/init-param&gt;
      &lt;load-on-startup&gt;1&lt;/load-on-startup&gt;
  &lt;/servlet&gt;
  
  &lt;servlet-mapping&gt;
      &lt;servlet-name&gt;ds&lt;/servlet-name&gt;
      &lt;url-pattern&gt;/&lt;/url-pattern&gt;
  &lt;/servlet-mapping&gt;
  </code></pre>
  
  <p></p>
  
  <p>i tried to clean, republish, update trough maven, delete and restore from backup but it still wont work, please help.</p>