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  • Trying to debug spring mvc source code

    Hi,

    I'm trying to debug spring mvc to see some of it's inner works and to achieve this, I first setted up a workspace following this Chris Beams update on springsource blog.
    So far so good.
    My problem starts when I created a simple spring-mvc project to start to debug (putting all spring modules in the classpath).
    When I start the Tomcat 6 eclipse embedded server, It hangs with a javax.servlet.http.HttpServlet ClassNotFoundException.
    I'm running around this about 3 days and I have no more Ideas to try.
    I need help.
    This is the exception I get:

    Code:
    INFO: Starting Servlet Engine: Apache Tomcat/6.0.26
    java.lang.reflect.InvocationTargetException
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    	at java.lang.reflect.Method.invoke(Method.java:597)
    	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
    	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
    Caused by: java.lang.NoClassDefFoundError: javax/servlet/http/HttpServlet
    	at java.lang.ClassLoader.defineClass1(Native Method)
    	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
    	at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
    	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    	at java.lang.ClassLoader.defineClass1(Native Method)
    	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
    	at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
    	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    	at java.lang.ClassLoader.defineClass1(Native Method)
    	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
    	at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
    	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1431)
    	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1361)
    	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1095)
    	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:993)
    	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4187)
    	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4496)
    	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    	at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
    	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
    	at org.apache.catalina.core.StandardService.start(StandardService.java:519)
    	at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
    	at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
    	... 6 more
    Caused by: java.lang.ClassNotFoundException: javax.servlet.http.HttpServlet
    	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    	... 55 more
    Can someone halp me, please?
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