[Mono-bugs] [Bug 335703] New: Serialization Exception on SortedList.Values

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Mon Oct 22 11:55:00 EDT 2007 

https://bugzilla.novell.com/show_bug.cgi?id=335703

           Summary: Serialization Exception on SortedList.Values
           Product: Mono: Class Libraries
           Version: 1.2
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: CORLIB
        AssignedTo: mono-bugs at ximian.com
        ReportedBy: seanhig at geminibay.com
         QAContact: mono-bugs at ximian.com
          Found By: Customer


Basically it boils down to this:

ViewState["CurrentItems"] = (IList) someSortedList.Values;

will cause:

System.Runtime.Serialization.SerializationException: Type
System.Collections.SortedList+ListValues is not marked as Serializable.
at
System.Runtime.Serialization.Formatters.Binary.BinaryCommon.CheckSerializable
(System.Type type, ISurrogateSelector selector, StreamingContext context)
[0x00000]   at
System.Runtime.Serialization.Formatters.Binary.ObjectWriter.GetObjectData
(System.Object obj,
System.Runtime.Serialization.Formatters.Binary.TypeMetadata& metadata,
System.Object& data) [0x00000]   at
System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteObject
(System.IO.BinaryWriter writer, Int64 id, System.Object obj) [0x00000]   at
System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteObjectInstance
(System.IO.BinaryWriter writer, System.Object obj, Boolean isValueObject)
[0x00000]   at
System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteQueuedObjects
(System.IO.BinaryWriter writer) [0x00000]   at
System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteObjectGraph
(System.IO.BinaryWriter writer, System.Object obj,
System.Runtime.Remoting.Messaging.Header[] headers) [0x00000]   at
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize
(System.IO.Stream serializationStream, System.Object graph,
System.Runtime.Remoting.Messaging.Header[] headers) [0x00000]   at
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize
(System.IO.Stream serializationStream, System.Object graph) [0x00000]   at
System.Web.UI.ObjectStateFormatter+BinaryObjectFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+HashtableFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+PairFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+TripletFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ArrayListFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+TripletFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ArrayListFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+TripletFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ArrayListFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+TripletFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ArrayListFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+TripletFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ArrayListFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+TripletFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+PairFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+PairFormatter.Write
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter+ObjectFormatter.WriteObject
(System.IO.BinaryWriter w, System.Object o, System.Web.UI.WriterContext ctx)
[0x00000]   at System.Web.UI.ObjectStateFormatter.SerializeValue
(System.IO.BinaryWriter w, System.Object o) [0x00000]   at
System.Web.UI.ObjectStateFormatter.Serialize (System.IO.Stream outputStream,
System.Object stateGraph) [0x00000]   at
System.Web.UI.ObjectStateFormatter.Serialize (System.Object stateGraph)
[0x00000]   at System.Web.UI.HiddenFieldPageStatePersister.Save () [0x00000]  
at System.Web.UI.Page.SavePageStateToPersistenceMedium (System.Object
viewState) [0x00000]   at System.Web.UI.Page.SavePageViewState () [0x00000]  
at System.Web.UI.Page.InternalProcessRequest () [0x00000]   at
System.Web.UI.Page.ProcessRequest (System.Web.HttpContext context) [0x00000]
------------------------------------------------------------------------ 

Where someSortedList is a SortedList where the values are an array of
serializable objects (pocos).  If I dump someSortedList.Values into an
ArrayList first, and then assigned the arraylist to the viewstate it works just
fine.  However that offending line above does work in .NET.


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