Hi,
I'm trying to use GWT application in GAE. I tried to use
RequestFactory (framework introduced in GWT 2.1) to make client-server
communication. But I'm constantly getting an error:
java.lang.NoClassDefFoundError: javax/validation/ValidationException
at
com.google.gwt.requestfactory.server.ServiceLayer.create(ServiceLayer.java:
66)
at
com.google.gwt.requestfactory.server.RequestFactoryServlet.<init>(RequestFactoryServlet.java:
88)
at
com.google.gwt.requestfactory.server.RequestFactoryServlet.<init>(RequestFactoryServlet.java:
74)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153)
Does anybody know how to fix it?
Thanks!
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