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я пытаюсь интегрировать Vaadin с Google App Engine, после того, как ряд исправленных ошибок и проблем, я уже достиг этого исключенияVaadin интеграция с Google App Engine
EXCEPTION
java.lang.ClassNotFoundException: com.vaadin.terminal.gwt.server.GAEApplicationServlet
at com.google.appengine.runtime.Request.process-a03353a24bf46b73(Request.java)
at java.lang.ClassLoader.loadClass(ClassLoader.java:359)
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 com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:483)
at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:490)
at com.google.tracing.TraceContext.runInContext(TraceContext.java:777)
at com.google.tracing.TraceContext$DoInTraceContext.runInContext(TraceContext.java:754)
at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:345)
at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:337)
at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:487)
at java.lang.Thread.run(Thread.java:722)
Какая проблема может быть?