NullReferenceException when trying to save an exception - Raven.Client.Documents.Session.EntityToBlittable.ShouldSimplifyJsonBasedOnType

[K Johnson]

I'm getting a NullReferenceException when trying to save certain types of exceptions. This is being seen on 4.0.3-patch-40033 and 4.0.3-patch-40034

This is the exception that gets thrown when trying to save the previous exception:

"$type": "System.NullReferenceException, mscorlib",

        "ClassName": "System.NullReferenceException",

        "Message": "Object reference not set to an instance of an object.",

        "Data": null,

        "InnerException": null,

        "HelpURL": null,

        "StackTraceString": "   at Raven.Client.Documents.Session.EntityToBlittable.ShouldSimplifyJsonBasedOnType(String typeValue)\r\n   at Raven.Client.Documents.Session.EntityToBlittable.TrySimplifyJson(BlittableJsonReaderObject document)\r\n   at Raven.Client.Documents.Session.EntityToBlittable.ConvertEntityToBlittable(Object entity, DocumentInfo documentInfo)\r\n   at Raven.Client.Documents.Session.InMemoryDocumentSessionOperations.PrepareForEntitiesPuts(SaveChangesData result)\r\n   at Raven.Client.Documents.Session.InMemoryDocumentSessionOperations.PrepareForSaveChanges()\r\n   at Raven.Client.Documents.Session.Operations.BatchOperation.CreateRequest()\r\n   at Raven.Client.Documents.Session.DocumentSession.SaveChanges()\r\n   at [REMOVED]",

        "RemoteStackTraceString": null,

        "RemoteStackIndex": 0,

        "ExceptionMethod": "8\nShouldSimplifyJsonBasedOnType\nRaven.Client, Version=4.0.0.0, Culture=neutral, PublicKeyToken=37f41c7f99471593\nRaven.Client.Documents.Session.EntityToBlittable\nBoolean ShouldSimplifyJsonBasedOnType(System.String)",

        "HResult": -2147467261,

        "Source": "Raven.Client",

        "WatsonBuckets": null

I have seen this with the following types of exceptions:

• System.Net.Sockets.SocketException
  
• System.Net.CookieException
  
• System.Net.HttpListenerException
  
• System.Net.ProtocolViolationException
  
• System.Net.WebException
  
• System.Net.Mail.SmtpException
  
• System.Net.Mail.SmtpFailedRecipientException
  
• System.Net.Mail.SmtpFailedRecipientsException
  
• System.Net.NetworkInformation.NetworkInformationException
  
• System.Net.NetworkInformation.PingException
  
• System.Net.WebSockets.WebSocketException
  

[Oren Eini (Ayende Rahien)]

This is a passing test, can you make it fail?

    public class RavenDB_10965 : RavenTestBase

    {

        public class Item

        {

            public Exception E;

        }

        [Fact]

        public void CanSerializeException()

        {

            using (var store = GetDocumentStore())

            {

                Exception e = null;

                try

                {

                    throw new SocketException();

                }

                catch (Exception ex)

                {

                    e = ex;

                }

                using (var s = store.OpenSession())

                {

                    s.Store(new Item

                    {

                        E = e

                    });

                    s.SaveChanges();

                }

            }

        }

    }

Hibernating Rhinos Ltd  

Oren Eini l CEO l Mobile: + 972-52-548-6969

Office: +972-4-622-7811 l Fax: +972-153-4-622-7811

 

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