I am using this linkfor google app engine with jsf so i am getting this error when i run the on eclipse so give the desire solution
link is http://www.mkyong.com/google-app-engine/google-app-engine-jsf-2-example/
java.lang.ClassNotFoundException: javax.faces.webapp.FacesServlet
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass
(IsolatedAppClassLoader.java:207)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at org.mortbay.util.Loader.loadClass(Loader.java:91)
at org.mortbay.util.Loader.loadClass(Loader.java:71)
at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73)
at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:242)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer
(JettyContainerService.java:197)
at com.google.appengine.tools.development.AbstractContainerService.startup
(AbstractContainerService.java:241)
at com.google.appengine.tools.development.DevAppServerImpl.start
(DevAppServerImpl.java:148)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply
(DevAppServerMain.java:310)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.<init>
(DevAppServerMain.java:249)
at com.google.appengine.tools.development.DevAppServerMain.main
(DevAppServerMain.java:225)
Sep 06, 2012 10:58:55 AM com.google.appengine.tools.development.ApiProxyLocalImpl log
SEVERE: javax.servlet.ServletContext log: unavailable
javax.servlet.UnavailableException: javax.faces.webapp.FacesServlet
at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:79)
at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:242)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer
(JettyContainerService.java:197)
at com.google.appengine.tools.development.AbstractContainerService.startup
(AbstractContainerService.java:241)
at com.google.appengine.tools.development.DevAppServerImpl.start
(DevAppServerImpl.java:148)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply
(DevAppServerMain.java:310)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.
<init>(DevAppServerMain.java:249)
at com.google.appengine.tools.development.DevAppServerMain.main
(DevAppServerMain.java:225)
Sep 06, 2012 10:58:55 AM com.google.apphosting.utils.jetty.JettyLogger warn
WARNING: failed Faces Servlet: java.lang.NullPointerException
Sep 06, 2012 10:58:55 AM com.google.apphosting.utils.jetty.JettyLogger warn
WARNING: Failed startup of context
com.google.appengine.tools.development.DevAppEngineWebAppContext@1dc94ea
{/,C:Documents and SettingsShilendra SharmaworkspaceShiluwar}
java.lang.NullPointerException
at java.lang.Class.isAssignableFrom(Native Method)
at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:256)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer
(JettyContainerService.java:197)
at com.google.appengine.tools.development.AbstractContainerService.startup
(AbstractContainerService.java:241)
at com.google.appengine.tools.development.DevAppServerImpl.start
(DevAppServerImpl.java:148)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply
(DevAppServerMain.java:310)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs
(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.
<init>(DevAppServerMain.java:249)
at com.google.appengine.tools.development.DevAppServerMain.main
(DevAppServerMain.java:225)
so any one help me for it work properly
App shilendra
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