Exception of type 'System.OutOfMemoryException' was thrown.

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I have used the below code for serialization,

using (MemoryStream buffer = new MemoryStream())
{
System.Runtime.Serialization.IFormatter serializationFormatter = new BinaryFormatter();
serializationFormatter.Serialize(buffer, tableItems);
serializedTableData = buffer.ToArray();
}

I am getting the below error message in this code : serializationFormatter.Serialize(buffer, tableItems);

Error Msg :

System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.

   at System.IO.MemoryStream.set_Capacity(Int32 value)

   at System.IO.MemoryStream.EnsureCapacity(Int32 value)

   at System.IO.MemoryStream.Write(Byte[] buffer, Int32 offset, Int32 count)

   at System.IO.BinaryWriter.Write(String value)

   at System.Runtime.Serialization.Formatters.Binary.BinaryObjectString.Write(__BinaryWriter sout)

   at System.Runtime.Serialization.Formatters.Binary.__BinaryWriter.WriteObjectString(Int32 objectId, String value)

   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteString(NameInfo memberNameInfo, NameInfo typeNameInfo, Object stringObject)

   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteKnownValueClass(NameInfo memberNameInfo, NameInfo typeNameInfo, Object data)

   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteArrayMember(WriteObjectInfo objectInfo, NameInfo arrayElemTypeNameInfo, Object data)

   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteArray(WriteObjectInfo objectInfo, NameInfo memberNameInfo, WriteObjectInfo memberObjectInfo)

   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Write(WriteObjectInfo objectInfo, NameInfo memberNameInfo, NameInfo typeNameInfo)

   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Serialize(Object graph, Header[] inHeaders, __BinaryWriter serWriter, Boolean fCheck)

   at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize(Stream serializationStream, Object graph, Header[] headers, Boolean fCheck)

   at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize(Stream serializationStream, Object graph)

Posted 4-Mar-14 22:12pm

rajahpee

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OriginalGriff · Answer 1 · 2014-03-04T22:25:00

We can't help you much with this: it needs your data to work out what is going on. It would appear from the stack trace that the system is trying to allocate a large enough buffer and failing - but we can't see how big it needs to be, or how much memory your system has already used.

So, put a breakpoint on the Serialize line, and start looking at your tableItems: how big is it? Bear in mind that there is an absolute limit of 2GB for any single object in .NET, so if this is a HUGE table, the memory stream it tries to allocate may not be possible - but as I say, we can't tell.

Get some information and it may be clearer.