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Paul's Petrov Whiteboard [BizTalk, Enterprise Application Integration, Business Process Automation, SOA, .NET] January 2011 Entries
Hotfix for BizTalk WCF Receive Adapter Issue

Microsoft has released official hotfix related to the problem I described earlier (see:

The knowledge base article and link to hotfix download are located at

Posted On Tuesday, January 4, 2011 8:57 AM

Integration with Multiple Versions of BizTalk HL7 Accelerator Schemas
Microsoft BizTalk Accelerator for HL7 comes with multiple versions of the HL7 implementation. One of the typical integration tasks is to receive one format and transmit another. For example, system A works HL7 v2.4 messages, system B with v2.3, and system C with v2.2. The system A is exchanging messages with B and C. The logical solution is to create schemas in separate namespaces for each system and assign maps on send ports. Schematic diagram of the messaging solution is shown below: Nothing is ......

Posted On Monday, January 3, 2011 4:50 PM

Mapping Repeating Sequence Groups in BizTalk
Repeating sequence groups can often be seen in real life XML documents. It happens when certain sequence of elements repeats in the instance document. Here’s fairly abstract example of schema definition that contains sequence group: <xs:schemaxmlns:b="http:... xmlns:xs=" xmlns="NS-Schema1" targetNamespace="NS-Schema1" > <xs:elementname="Repeati... <xs:complexType> <xs:sequencemaxOccurs="1... ......

Posted On Sunday, January 2, 2011 1:06 PM

Referring EDMX file in Separate VS Project from T4 Template
In my project I needed to separate template generated entities, context in separate projects from the EDMX file. I’ve stumbled across this problem how to make template generator to find edmx file without hardcoding absolute path into the template. Using relative path directly (inputFile=@”..\ProjectFold... generated error: Error 2 Running transformation: System.IO.DirectoryNotFound... Could not find a part of the path 'C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\ProjectFolder\... ......

Posted On Sunday, January 2, 2011 1:00 PM

BizTalk HL7 Receive Pipeline Exception
If you experience sequence of errors below with BizTalk HL7 MLLP receive ports you may need to request a hotfix from Microsoft. Knowledge base article number is 2454887 but it’s still not available on the KB site. The hotfix is recently released and you may need to open support ticket to get to it. It requires three other hotfixes installed: · 970492 (DASM 3.7.502.2) · 973909 (additional ACK codes) · 981442 ( 3.7.509.2) If the exceptions below repeatedly appear ......

Posted On Sunday, January 2, 2011 12:59 PM

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