Hier das was der Server beim starten bis hin zum Aufruf des Servlets ausgegeben hat:

28.02.2007 09:15:56 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Programme\Java\jre1.5.0\bin;.;C:\WINDOWS\system32;C:\WINDOWS;C:\Programme\Perl\site\bin;C:\Programme\Perl\bin;C:\Programme\ThinkPad\Utilities;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Programme\Intel\Wireless\Bin\;C:\Programme\ATI Technologies\ATI Control Panel;C:\Programme\Gemeinsame Dateien\Adobe\AGL;C:\Programme\Java\jdk1.5.0\bin;C:\Programme\Intel\Wireless\Bin\;C:\Programme\ThinkPad\ConnectUtilities;C:\Programme\Gemeinsame Dateien\Lenovo;C:\Programme\Lenovo\Client Security Solution;C:\Programme\GTK2.0\bin
28.02.2007 09:15:57 org.apache.coyote.http11.Http11BaseProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
28.02.2007 09:15:57 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 797 ms
28.02.2007 09:15:57 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
28.02.2007 09:15:57 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/5.5.20
28.02.2007 09:15:57 org.apache.catalina.core.StandardHost start
INFO: XML validation disabled
28.02.2007 09:15:57 org.apache.coyote.http11.Http11BaseProtocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
28.02.2007 09:15:57 org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
28.02.2007 09:15:57 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/78  config=null
28.02.2007 09:15:57 org.apache.catalina.storeconfig.StoreLoader load
INFO: Find registry server-registry.xml at classpath resource
28.02.2007 09:15:57 org.apache.catalina.startup.Catalina start
INFO: Server startup in 906 ms
28.02.2007 09:16:08 org.apache.catalina.core.StandardWrapperValve invoke
SCHWERWIEGEND: Allocate exception for servlet WDTDatabaseRequest
java.lang.NoClassDefFoundError: javax/servlet/http/HttpServlet
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(Unknown Source)
	at java.security.SecureClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.access$100(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1270)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1201)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1034)
	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:757)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:130)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Unknown Source)