Silverlight asynchronous request dies and gives constantly timeout errors, how come?

Question

here's the stacktrace message
<E2ETraceEvent xmlns="http://schemas.microsoft.com/2004/06/E2ETraceEvent">
<System xmlns="http://schemas.microsoft.com/2004/06/windows/eventlog/system">
<EventID>131075</EventID>
<Type>3</Type>
<SubType Name="Error">0</SubType>
<Level>2</Level>
<TimeCreated SystemTime="2011-10-27T16:14:11.5966910Z" />
<Source Name="System.ServiceModel" />
<Correlation ActivityID="{84108981-8cda-4faa-b776-7af84e6729ee}" />
<Execution ProcessName="w3wp" ProcessID="3420" ThreadID="3" />
<Channel />
<Computer>TURBULATOR</Computer>
</System>
<ApplicationData>
<TraceData>
<DataItem>
<TraceRecord xmlns="http://schemas.microsoft.com/2004/10/E2ETraceEvent/TraceRecord" Severity="Error">
<TraceIdentifier>http://msdn.microsoft.com/nl-NL/library/System.ServiceModel.Diagnostics.ThrowingException.aspx</TraceIdentifier>
<Description>Uitzondering opgetreden.</Description>
<AppDomain>/LM/W3SVC/1/ROOT-1-129642039487983344</AppDomain>
<Exception>
<ExceptionType>System.ServiceModel.ProtocolException, System.ServiceModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</ExceptionType>
<Message>Het aantal beschikbare bytes is niet consistent met de HTTP Content-Length-header. Er is misschien een netwerkfout opgetreden, of de client verstuurt ongeldige aanvragen.</Message>
<StackTrace>
bij System.ServiceModel.Channels.HttpInput.ReadBufferedMessage(Stream inputStream)
bij System.ServiceModel.Channels.HttpInput.ParseIncomingMessage(Exception&amp; requestException)
bij System.ServiceModel.Channels.HttpChannelListener.HttpContextReceived(HttpRequestContext context, Action callback)
bij System.ServiceModel.Activation.HostedHttpTransportManager.HttpContextReceived(HostedHttpRequestAsyncResult result)
bij System.ServiceModel.Activation.HostedHttpRequestAsyncResult.HandleRequest()
bij System.ServiceModel.Activation.HostedHttpRequestAsyncResult.BeginRequest()
bij System.ServiceModel.Activation.HostedHttpRequestAsyncResult.OnBeginRequest(Object state)
bij System.Runtime.IOThreadScheduler.ScheduledOverlapped.IOCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
bij System.Runtime.Fx.IOCompletionThunk.UnhandledExceptionFrame(UInt32 error, UInt32 bytesRead, NativeOverlapped* nativeOverlapped)
bij System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)
</StackTrace>
<ExceptionString>System.ServiceModel.ProtocolException: Het aantal beschikbare bytes is niet consistent met de HTTP Content-Length-header. Er is misschien een netwerkfout opgetreden, of de client verstuurt ongeldige aanvragen.</ExceptionString>
</Exception>
</TraceRecord>
</DataItem>
</TraceData>
</ApplicationData>
</E2ETraceEvent>

Answer 1

I'm more of a 1.3 chick myself, but the words are the same just in a different language.
1. Is Tomcat running?
2. Have you configured the ajp13 connector on 8009 in Tomcat? (Should it be ajp13 for Apache 2.0? - I really must upgrade)