Aspose Email - AbchPersonItemType was not recognized

Hello, My team uses Aspose Email to develop an application to search for information in 365 exchange server. Recently, we are using the Aspose Email 16.11.0.0 to traverse and retrieve email/messages in Office 365 mail. We tested the library with our personal Office 365 mailbox and got the following exception. System.InvalidOperationException: There is an error in XML document (1, 893). —> System.InvalidOperationException: The specified type was not recognized: name=‘AbchPersonItemType’, namespace=‘http://schemas.microsoft.com/exchange/services/2006/types’, at .
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderExchangeServiceBinding.Read307_ItemType(Boolean isNullable, Boolean checkType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderExchangeServiceBinding.Read614_ArrayOfRealItemsType(Boolean isNullable, Boolean checkType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderExchangeServiceBinding.Read617_FindItemParentType(Boolean isNullable, Boolean checkType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderExchangeServiceBinding.Read618_FindItemResponseMessageType(Boolean isNullable, Boolean checkType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderExchangeServiceBinding.Read673_ArrayOfResponseMessagesType(Boolean isNullable, Boolean checkType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderExchangeServiceBinding.Read679_FindItemResponseType(Boolean isNullable, Boolean checkType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderExchangeServiceBinding.Read873_FindItemResponse()
at Microsoft.Xml.Serialization.GeneratedAssembly.ArrayOfObjectSerializer245.Deserialize(XmlSerializationReader reader)
at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events)
— End of inner exception stack trace —
at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events)
at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
at Aspose.Email.Exchange.Schema.Exchange_2013.ExchangeServiceBinding.FindItem(FindItemType FindItem1)
at #=qxFs8SM7UI1LemESKg7SDPzGq2dnrlwvInrxl5l7QBp5tQ1bJFzM3Eu6pgSEAfn4O.#=qhTZTpzc2INL$SEukBOgEsRE6YDr7OBBSUe$lNGnBbt0=(ExchangeMessagePageInfo #=qBuxfq4ICnCCaA1TysnQg8Q==, String #=qO7pOkoULyBeTTHQNXHjNEA==, Boolean #=qty0pqk327WYpyCCC7jsDig==, Int32 #=qc91qrud9alQTXEqvfeB$5Q==, MailQuery #=qnwdeZ1$g2Brw5ZhXtjic0Q==, ExchangeListMessagesOptions #=qFbptguuYAuZJP7IsKPutsg==)
at #=qxFs8SM7UI1LemESKg7SDPzGq2dnrlwvInrxl5l7QBp5tQ1bJFzM3Eu6pgSEAfn4O.#=qK4beZaTpgvIzrfZ_B1OU9g==(PageInfo #=qx0IzZZ5hIPgYJwvsqeMmJQ==, String #=qO7pOkoULyBeTTHQNXHjNEA==, Boolean #=qty0pqk327WYpyCCC7jsDig==, Int32 #=q7FpwGCuiENpLtKRnMAXugKTGx606fGlfC1TgT$SChOI=, MailQuery #=qnwdeZ1$g2Brw5ZhXtjic0Q==, ExchangeListMessagesOptions #=qFbptguuYAuZJP7IsKPutsg==)
at #=qxFs8SM7UI1LemESKg7SDPzGq2dnrlwvInrxl5l7QBp5tQ1bJFzM3Eu6pgSEAfn4O.ListMessages(String #=qO7pOkoULyBeTTHQNXHjNEA==, Int32 #=q7FpwGCuiENpLtKRnMAXugKTGx606fGlfC1TgT$SChOI=, MailQuery #=qnwdeZ1$g2Brw5ZhXtjic0Q==, Boolean #=qtz0weGGBDIjTEr$JxiRKkQ==)
at #=qxFs8SM7UI1LemESKg7SDPzGq2dnrlwvInrxl5l7QBp5tQ1bJFzM3Eu6pgSEAfn4O.ListMessages(String #=qO7pOkoULyBeTTHQNXHjNEA==, MailQuery #=qnwdeZ1$g2Brw5ZhXtjic0Q==, Boolean #=qtz0weGGBDIjTEr$JxiRKkQ==)

Hi Khoa,

Thank you for writing to Aspose Support team.

We have tested this issue at our end with sample messages in our test Office365 account, but were not able to face any such problem as you have mentioned. The issue seems specific to the messages lying in your mailbox that are giving raise to the exception. Could you please share your code sample that you are using for testing this issue? Also, if possible, please share your sample messages from your mailbox with which the exception occurs. We’ll use this information to investigate the issue at our end and assist you further.

Sample Code and Test Account Used at Our End:

IEWSClient client = EWSClient.GetEWSClient(“https://outlook.office365.com/ews/exchange.asmx”, "UserOne@AsposeOct2016.onmicrosoft.com", “Aspose1234”);

ExchangeMessageInfoCollection msgs = client.ListMessages(client.MailboxInfo.InboxUri);

Console.WriteLine(msgs.Count);

Hello Kashif,


The issue comes from the Office 365 PersonalMetadata folder. We are using Aspose API to list all available folder within given 365 Exchange account, and then traverse each folder to retrieve the messages (see attachment). I’m not able to share the sample message with you because PersonalMetadata folder is kind of system folder that I cannot access via my credentials.

Here is the information on the AbchPersonItemType I found in MSDN

[MS-OXWSCONT]: t:AbchPersonItemType Complex Type | Microsoft Learn

In another attachement, for each folder has been visited, I output the folder name. The program failed when it hit PersonalMetadata folder (see attachment)

Hi Khoa,


Thank you for providing the useful details to reproduce the issue. We are now able to observe the same InvalidOperationException when trying to list messages from PersonMetadata folder.


We have logged the issue for further investigation by our product team as EMAILNET-38586. We’ll notify you once there is any further progress or a fix version available in this regard.

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Hey guys,


I’m the lead developer for Khoa and I literally just hit this issue myself and found this post as soon as I googled the exception. We have been using Aspose for several years now and these serialization exceptions that keep happening have been such a huge issue that we have started a new replacement project.

Since supporting Office 365, this has been one of the biggest support issues and I can’t put my finger on how or why these serialization issues keep happening. I think you should strongly reconsider your design because the rate of failure is excessively high and for data that we don’t even care about?!

I just wanted to let you know that I hit this same failure almost immediately and think you guys should strongly rethink your design and/or testing.

Regards,
Scott

Hi Scott,


We regret the inconvenience caused to you.

One thing that I would like to share with you here is that Office365 has moved to Exchange Server 2016 which is not supported by the API at present. We already have a ticket logged as EMAILNET-38635 for support of Exchange Server 2016.

Could you please share with us which alternate API are you using which is working fine at your end? We can test our functionality against that to assist you further. Also, if you face some issue with the API, please feel free to report to us so that we can investigate it for a fix and reconsideration of our design.

Looking forward to hear from you.

The issues you have found earlier (filed as EMAILNET-38586) have been fixed in this update.


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