[Mono-bugs] [Bug 674016] KnowTypeCollection creates infinite loop

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=674016

https://bugzilla.novell.com/show_bug.cgi?id=674016#c1


--- Comment #1 from David Schmitt <david at dasz.at> 2011-02-22 16:35:52 UTC ---
Since the revert of 1e17218a2 didn't actually fix the problem, I've
investigated further and added some debug output to
KnownTypeCollection.RemoveAt(int)

The following stacktrace repeats indefinitely:

RemoveItem index=0 type=[Kistl.API.SerializableExpression]
RemoveItem will remove 0 items
   at System.Runtime.Serialization.KnownTypeCollection.RemoveItem(Int32 index)
   at System.Collections.ObjectModel.Collection`1[[System.Type, mscorlib,
Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089]].RemoveAt(Int32 index)
   at
System.Runtime.Serialization.DataContractSerializer.ReadObject(System.Xml.XmlDictionaryReader
reader, Boolean verifyObjectName)
   at
System.Runtime.Serialization.XmlObjectSerializer.ReadObject(System.Xml.XmlDictionaryReader
reader)
   at
System.ServiceModel.Dispatcher.DataContractMessagesFormatter.MessageToParts(System.ServiceModel.Description.MessageDescription
md, System.ServiceModel.Channels.Message message)
   at
System.ServiceModel.Dispatcher.BaseMessagesFormatter.DeserializeRequest(System.ServiceModel.Channels.Message
message, System.Object[] parameters)
   at
System.ServiceModel.Dispatcher.OperationFormatter.DeserializeRequest(System.ServiceModel.Channels.Message
message, System.Object[] parameters)
   at
System.ServiceModel.Dispatcher.OperationInvokerHandler.BuildInvokeParams(System.ServiceModel.Dispatcher.MessageProcessingContext
mrc, System.Object[] ByRef parameters)
   at
System.ServiceModel.Dispatcher.OperationInvokerHandler.DoProcessRequest(System.ServiceModel.Dispatcher.MessageProcessingContext
mrc)
   at
System.ServiceModel.Dispatcher.OperationInvokerHandler.ProcessRequest(System.ServiceModel.Dispatcher.MessageProcessingContext
mrc)
   at
System.ServiceModel.Dispatcher.BaseRequestProcessorHandler.ProcessRequestChain(System.ServiceModel.Dispatcher.MessageProcessingContext
mrc)
   at
System.ServiceModel.Dispatcher.BaseRequestProcessorHandler.ProcessRequestChain(System.ServiceModel.Dispatcher.MessageProcessingContext
mrc)
   at
System.ServiceModel.Dispatcher.HandlersChain.ProcessRequestChain(System.ServiceModel.Dispatcher.MessageProcessingContext
mrc)
   at
System.ServiceModel.Dispatcher.BaseRequestProcessor.ProcessRequest(System.ServiceModel.Dispatcher.MessageProcessingContext
mrc)
   at
System.ServiceModel.Dispatcher.InputOrReplyRequestProcessor.ProcessReply(System.ServiceModel.Channels.RequestContext
rc)
   at
System.ServiceModel.Dispatcher.ListenerLoopManager.ProcessRequest(IReplyChannel
reply, System.ServiceModel.Channels.RequestContext rc)
   at
System.ServiceModel.Dispatcher.ListenerLoopManager.TryReceiveRequestDone(IAsyncResult
result)


The DataContractSerializer.ReadObject() seems to try to clean up after itself
but fails to do so properly.

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