Errors when firing Requests

Tue, 06 Sep 2011 06:49:40 -0700 

I'm trying to implement a simple testproject with RequestFactory,
after i failed with a bigger one and still cannot manage to make it
run.
Since i'm struggling with it for already several weeks, maybe somebody
could give me an advise what i'm generally doing wrong.

I've putted my code  here :

http://code.google.com/p/ratesexchange/source/browse/#svn%2Ftrunk%2FTestProject


Stack in Dev mode when staring the app is:

15:47:26.703 [ERROR] [domik] Uncaught exception escaped

com.google.gwt.event.shared.UmbrellaException: One or more exceptions
caught, see full set in UmbrellaException#getCauses
    at
com.google.gwt.requestfactory.shared.impl.AbstractRequestContext.fail(AbstractRequestContext.java:
608)
    at com.google.gwt.requestfactory.shared.impl.AbstractRequestContext
$4.onTransportFailure(AbstractRequestContext.java:955)
    at com.google.gwt.requestfactory.client.DefaultRequestTransport
$1.onResponseReceived(DefaultRequestTransport.java:146)
    at
com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java:
287)
    at com.google.gwt.http.client.RequestBuilder
$1.onReadyStateChange(RequestBuilder.java:395)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at
com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
    at
com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at
com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
167)
    at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:
326)
    at
com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
207)
    at
com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
132)
    at
com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:
561)
    at
com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:
269)
    at
com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:
91)
    at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
    at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:214)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at
com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
    at
com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at
com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
167)
    at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:
281)
    at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
531)
    at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
352)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.RuntimeException: Server Error 500 <html>
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=ISO-8859-1"/>
<title>Error 500 org/slf4j/LoggerFactory</title>
</head>
<body><h2>HTTP ERROR 500</h2>
<p>Problem accessing /gwtRequest. Reason:
<pre>    org/slf4j/LoggerFactory</pre></
p><h3>Caused by:</
h3><pre>java.lang.NoClassDefFoundError: org/slf4j/
LoggerFactory
    at
org.hibernate.validator.util.LoggerFactory.make(LoggerFactory.java:29)
    at org.hibernate.validator.util.Version.<clinit>
(Version.java:30)
    at
org.hibernate.validator.engine.ConfigurationImpl.<clinit>
(ConfigurationImpl.java:52)
    at
org.hibernate.validator.HibernateValidator.createGenericConfiguration(HibernateValidator.java:
43)
    at javax.validation.Validation
$GenericBootstrapImpl.configure(Validation.java:269)
    at
javax.validation.Validation.buildDefaultValidatorFactory(Validation.java:
111)
    at
com.google.gwt.requestfactory.server.ReflectiveServiceLayer.<clinit>
(ReflectiveServiceLayer.java:65)
    at
com.google.gwt.requestfactory.server.ServiceLayer.create(ServiceLayer.java:
79)
    at
com.google.gwt.requestfactory.server.RequestFactoryServlet.<init>
(RequestFactoryServlet.java:93)
    at
com.google.gwt.requestfactory.server.RequestFactoryServlet.<init>
(RequestFactoryServlet.java:79)
    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)
    at
org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:
428)
    at
org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:
339)
    at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1166)
    at
com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:
35)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:
58)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:
43)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:
122)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:
97)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
388)
    at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
216)
    at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
182)
    at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
765)
    at
org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
    at
com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:
70)
    at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
    at com.google.appengine.tools.development.JettyContainerService
$ApiProxyHandler.handle(JettyContainerService.java:351)
    at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
    at org.mortbay.jetty.Server.handle(Server.java:326)
    at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
542)
    at org.mortbay.jetty.HttpConnection
$RequestHandler.content(HttpConnection.java:938)
    at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
    at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:
218)
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:
404)
    at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
409)
    at org.mortbay.thread.QueuedThreadPool
$PoolThread.run(QueuedThreadPool.java:582)
Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at
com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(IsolatedAppClassLoader.java:
176)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 48 more
</pre>
<h3>Caused by:</
h3><pre>java.lang.ClassNotFoundException:
org.slf4j.LoggerFactory
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at
com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(IsolatedAppClassLoader.java:
176)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at
org.hibernate.validator.util.LoggerFactory.make(LoggerFactory.java:29)
    at org.hibernate.validator.util.Version.<clinit>
(Version.java:30)
    at
org.hibernate.validator.engine.ConfigurationImpl.<clinit>
(ConfigurationImpl.java:52)
    at
org.hibernate.validator.HibernateValidator.createGenericConfiguration(HibernateValidator.java:
43)
    at javax.validation.Validation
$GenericBootstrapImpl.configure(Validation.java:269)
    at
javax.validation.Validation.buildDefaultValidatorFactory(Validation.java:
111)
    at
com.google.gwt.requestfactory.server.ReflectiveServiceLayer.<clinit>
(ReflectiveServiceLayer.java:65)
    at
com.google.gwt.requestfactory.server.ServiceLayer.create(ServiceLayer.java:
79)
    at
com.google.gwt.requestfactory.server.RequestFactoryServlet.<init>
(RequestFactoryServlet.java:93)
    at
com.google.gwt.requestfactory.server.RequestFactoryServlet.<init>
(RequestFactoryServlet.java:79)
    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)
    at
org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:
428)
    at
org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:
339)
    at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1166)
    at
com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:
35)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:
58)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:
43)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:
122)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:
97)
    at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
    at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
388)
    at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
216)
    at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
182)
    at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
765)
    at
org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
    at
com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:
70)
    at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
    at com.google.appengine.tools.development.JettyContainerService
$ApiProxyHandler.handle(JettyContainerService.java:351)
    at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
    at org.mortbay.jetty.Server.handle(Server.java:326)
    at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
542)
    at org.mortbay.jetty.HttpConnection
$RequestHandler.content(HttpConnection.java:938)
    at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
    at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:
218)
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:
404)
    at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
409)
    at org.mortbay.thread.QueuedThreadPool
$PoolThread.run(QueuedThreadPool.java:582)
</pre>
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    at
com.google.gwt.requestfactory.shared.Receiver.onFailure(Receiver.java:
41)
    at
com.google.gwt.requestfactory.shared.impl.AbstractRequest.onFail(AbstractRequest.java:
118)
    at
com.google.gwt.requestfactory.shared.impl.AbstractRequestContext.fail(AbstractRequestContext.java:
588)
    at com.google.gwt.requestfactory.shared.impl.AbstractRequestContext
$4.onTransportFailure(AbstractRequestContext.java:955)
    at com.google.gwt.requestfactory.client.DefaultRequestTransport
$1.onResponseReceived(DefaultRequestTransport.java:146)
    at
com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java:
287)
    at com.google.gwt.http.client.RequestBuilder
$1.onReadyStateChange(RequestBuilder.java:395)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at
com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
    at
com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at
com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
167)
    at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:
326)
    at
com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
207)
    at
com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
132)
    at
com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:
561)
    at
com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:
269)
    at
com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:
91)
    at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
    at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:214)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at
com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
    at
com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at
com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
167)
    at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:
281)
    at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
531)
    at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
352)
    at java.lang.Thread.run(Unknown Source)



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