Google App Engine

[Shafraz]

Hi

Any of you experience with Google App Engine + Spring MVC or Struts
2 ?
I am trying to develop an application using Google App Engine and
java.
I am looking for good MVC fram work.

please post if you have any good tutorial for Google App Engine +
Struts 2
or Google App Engine + Spring MVC




now I am trying with Struts 2.

I am getting following exception

May 27, 2009 10:47:48 AM com.google.apphosting.utils.jetty.JettyLogger
warn
WARNING: EXCEPTION
java.lang.ClassNotFoundException:
org.apache.struts2.dispatcher.FilterDispatcher
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at
com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass
(IsolatedAppClassLoader.java:142)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at org.mortbay.util.Loader.loadClass(Loader.java:91)
at org.mortbay.util.Loader.loadClass(Loader.java:71)
at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73)
at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:
83)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at org.mortbay.jetty.servlet.ServletHandler.initialize
(ServletHandler.java:589)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:139)
at org.mortbay.jetty.webapp.WebAppContext.startContext
(WebAppContext.java:1218)
at org.mortbay.jetty.handler.ContextHandler.doStart
(ContextHandler.java:500)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
448)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at org.mortbay.jetty.handler.HandlerWrapper.doStart
(HandlerWrapper.java:117)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at org.mortbay.jetty.handler.HandlerWrapper.doStart
(HandlerWrapper.java:117)
at org.mortbay.jetty.Server.doStart(Server.java:217)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at
com.google.appengine.tools.development.JettyContainerService.startContainer
(JettyContainerService.java:147)
at
com.google.appengine.tools.development.AbstractContainerService.startup
(AbstractContainerService.java:116)
at com.google.appengine.tools.development.DevAppServerImpl.start
(DevAppServerImpl.java:211)
at com.google.appengine.tools.development.DevAppServerMain
$StartAction.apply(DevAppServerMain.java:162)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs
(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.<init>
(DevAppServerMain.java:113)
at com.google.appengine.tools.development.DevAppServerMain.main
(DevAppServerMain.java:89)
May 27, 2009 10:47:48 AM com.google.apphosting.utils.jetty.JettyLogger
warn
WARNING: failed struts2
javax.servlet.UnavailableException:
org.apache.struts2.dispatcher.FilterDispatcher
at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:79)
at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:
83)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at org.mortbay.jetty.servlet.ServletHandler.initialize
(ServletHandler.java:589)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:139)
at org.mortbay.jetty.webapp.WebAppContext.startContext
(WebAppContext.java:1218)
at org.mortbay.jetty.handler.ContextHandler.doStart
(ContextHandler.java:500)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
448)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at org.mortbay.jetty.handler.HandlerWrapper.doStart
(HandlerWrapper.java:117)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at org.mortbay.jetty.handler.HandlerWrapper.doStart
(HandlerWrapper.java:117)
at org.mortbay.jetty.Server.doStart(Server.java:217)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at
com.google.appengine.tools.development.JettyContainerService.startContainer
(JettyContainerService.java:147)
at
com.google.appengine.tools.development.AbstractContainerService.startup
(AbstractContainerService.java:116)
at com.google.appengine.tools.development.DevAppServerImpl.start
(DevAppServerImpl.java:211)
at com.google.appengine.tools.development.DevAppServerMain
$StartAction.apply(DevAppServerMain.java:162)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs
(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.<init>
(DevAppServerMain.java:113)
at com.google.appengine.tools.development.DevAppServerMain.main
(DevAppServerMain.java:89)
May 27, 2009 10:47:48 AM com.google.apphosting.utils.jetty.JettyLogger
warn
WARNING: Failed startup of context
com.google.apphosting.utils.jetty.DevAppEngineWebAppContext@2f1921{/,D:
\java\Guestbook\war}
javax.servlet.UnavailableException:
org.apache.struts2.dispatcher.FilterDispatcher
at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:79)
at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:
83)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at org.mortbay.jetty.servlet.ServletHandler.initialize
(ServletHandler.java:589)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:139)
at org.mortbay.jetty.webapp.WebAppContext.startContext
(WebAppContext.java:1218)
at org.mortbay.jetty.handler.ContextHandler.doStart
(ContextHandler.java:500)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
448)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at org.mortbay.jetty.handler.HandlerWrapper.doStart
(HandlerWrapper.java:117)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at org.mortbay.jetty.handler.HandlerWrapper.doStart
(HandlerWrapper.java:117)
at org.mortbay.jetty.Server.doStart(Server.java:217)
at org.mortbay.component.AbstractLifeCycle.start
(AbstractLifeCycle.java:40)
at
com.google.appengine.tools.development.JettyContainerService.startContainer
(JettyContainerService.java:147)
at
com.google.appengine.tools.development.AbstractContainerService.startup
(AbstractContainerService.java:116)
at com.google.appengine.tools.development.DevAppServerImpl.start
(DevAppServerImpl.java:211)
at com.google.appengine.tools.development.DevAppServerMain
$StartAction.apply(DevAppServerMain.java:162)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs
(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.<init>
(DevAppServerMain.java:113)
at com.google.appengine.tools.development.DevAppServerMain.main
(DevAppServerMain.java:89)