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FIX: A long-running orchestration may be suspended when a schema-version mismatch is detected in BizTalk Server 2004

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Symptoms

In Microsoft BizTalk Server 2004, you use a correlated receive mode in a long-running orchestration. If you periodically change the schema definition, the orchestration may be suspended. Additionally, the following error is sometimes logged in the Application log:
Event Source XLANG/S
Event ID 10033
Event Type Error
Description: Uncaught exception (see the 'inner exception' below) has suspended an instance of service 'Orchestrations.RetestOrchestration(ff7eb9a1-8269-98a7-9fbb-a534d9f7bbfd)'.
The service instance will remain suspended until administratively resumed or terminated.
If resumed the instance will continue from its last persisted state and may re-throw the same unexpected exception.
InstanceId: 073b1a52-cb9a-48fe-a5b3-e65c6edec00a
Shape name: Cannot get friendly name
ShapeId: eb70ee3d-798f-4cd7-8f63-e412c9cc1761
Exception thrown from: segment 1, progress 66
Inner exception: Received unexpected message type 'Schemas.Response, Schemas, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0388ea5fb11d1bc1' does not match expected type 'Schemas.Response, Schemas, Version=1.0.0.0, Culture=neutral, PublicKeyToken=0388ea5fb11d1bc1'.

Exception type: UnexpectedMessageTypeException
Source: Microsoft.XLANGs.Engine
Target Site: Void _verifyPublisherSchema()
Help Link:
The following is a stack trace that identifies the location where the exception occured

at Microsoft.XLANGs.Core.XMessage._verifyPublisherSchema()
at Microsoft.XLANGs.Core.XMessage.FetchProperties()
at Microsoft.XLANGs.Core.XMessage.GetContentProperty(Type propType)
at Microsoft.XLANGs.Core.XMessage.GetPropertyValue(Type propType)
at Microsoft.BizTalk.XLANGs.BTXEngine.BTXMessage.GetPropertyValue(Type propType)
at Microsoft.BizTalk.XLANGs.BTXEngine.BTXMessage.GetPropertyValueThrows(Type propType)
at Orchestrations.RetestOrchestration.segment1(StopConditions stopOn)
at Microsoft.XLANGs.Core.SegmentScheduler.RunASegment(Segment s, StopConditions stopCond, Exception& exp)
Howwever, you expect one of the following events to occur consistently whenever a schema-version mismatch is detected:
  • BizTalk Server suspends the orchestration and logs the error.
  • BizTalk Server does not suspend the orchestration and does not throw an exception .

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Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

You cannot roll back this hotfix from the BizTalk Server environment. Therefore, before you apply this hotfix to a production environment, make sure that you fully test this hotfix in a test environment. Do not try to use the Add or Remove Programs item in Control Panel to remove this hotfix. If you do take this action, the database changes are not rolled back, and the BizTalk Server environment is left in an inconsistent state. For more information, refer to the Readme.txt file that is included in the hotfix package.

Prerequisites

You must have BizTalk Server 2004 Service Pack 2 installed to apply this hotfix.

Restart requirement

You do not have to restart the BizTalk Server services after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
File nameFile versionFile sizeDateTimePlatform
Btsmessageagent.dll3.0.7425.0604,00820-Mar-200719:00x86
Microsoft.biztalk.interop.agent.dll3.0.7425.054,62427-Mar-200714:51x86
Microsoft.xlangs.basetypes.dll3.0.7425.075,10427-Mar-200714:51x86
Microsoft.xlangs.biztalk.crossprocess.dll3.0.7425.083,29627-Mar-200714:51x86
Microsoft.xlangs.biztalk.engine.dll3.0.7425.0247,13627-Mar-200714:51x86
Microsoft.xlangs.biztalk.process.dll3.0.7425.071,00827-Mar-200714:51x86
Microsoft.xlangs.engine.dll3.0.7425.0243,04027-Mar-200714:51x86
Microsoft.xlangs.runtimetypes.dll3.0.7425.0128,35227-Mar-200714:51x86

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More information

After you install this hotfix, the error is logged in the Application log every time that a schema-version mismatch is detected. In other words, this hotfix will make sure that the orchestration instance is suspended and that an error is logged every time that a schema-version mismatch is detected. However, if you do not want the error to be logged, you can change the Btsntsvc.exe.config file so that the UnexpectedMessageTypeException exception is skipped.

In some long-running orchestrations that use a correlating receive mode, schema updates cannot be made. In this scenario, you can override the orchestration suspension when schema-version mismatches are detected. We recommend that you complete all active instances or publish a new application. However, if the application has already been published, you can change the Btsntsvc.exe.config file so that the UnexpectedMessageTypeException exception is skipped. To support these configuration changes, you must have the hotfix installed. If you select to override the Btsntsvc.exe.config file on an instance of BizTalk Server, no schema changes must be made to the published schema. If changes are made, unpredictable results can occur.

To change the Btsntsvc.exe.config file so that the unexpectedmessagetype exception is skipped, add the following sections to the configuration element: 
<configSections>
    <section 
      name="xlangs"
      type="Microsoft.XLANGs.BizTalk.CrossProcess.XmlSerializationConfigurationSectionHandler, Microsoft.XLANGs.BizTalk.CrossProcess" />
</configSections>
<xlangs>
     <Configuration>
      <AppDomains WeakXsdPartValidation ="true"/>
     </Configuration>
</xlangs>
After you change the Btsntsvc.exe.config file, the Btsntsvc.exe.config file resembles the following section:
<?xml version="1.0" ?>
<configuration>
  <configSections>
    <section 
      name="xlangs"
      type="Microsoft.XLANGs.BizTalk.CrossProcess.XmlSerializationConfigurationSectionHandler, Microsoft.XLANGs.BizTalk.CrossProcess" />
    </configSections>
    <runtime>
        <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
            <probing privatePath="BizTalk Assemblies;Developer Tools;Tracking" />
        </assemblyBinding>
    </runtime>
    <xlangs>
     <Configuration>
      <AppDomains WeakXsdPartValidation ="true"/>
     </Configuration>
    </xlangs>
    
    <system.runtime.remoting>
    
        <channelSinkProviders>
            <serverProviders>
                <provider id="sspi" type="Microsoft.BizTalk.XLANGs.BTXEngine.SecurityServerChannelSinkProvider,Microsoft.XLANGs.BizTalk.Engine" securityPackage="negotiate" authenticationLevel="packetPrivacy" />
            </serverProviders>
        </channelSinkProviders>
    
        <application>
            <channels>
                <channel ref="tcp" port="0" name="">
	                <serverProviders>
	                    <provider ref="sspi" />
                        <formatter ref="binary" typeFilterLevel="Full"/>
                    </serverProviders>
                </channel>
            </channels>
        </application>
    </system.runtime.remoting>
 </configuration>

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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Keywords: KB925502, kbqfe, kbhotfixserver, kbexpertiseinter, kbbiztalk2004presp3fix, kbbtsorchestration, kbautohotfix

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Article Info
Article ID : 925502
Revision : 4
Created on : 1/8/2008
Published on : 1/8/2008
Exists online : False
Views : 409