Symptoms
If you send messages that are larger than 2 gigabytes (GB) by using the following Assembler pipeline components, you encounter different issues:
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XML Assembler pipeline component: The output messages get truncated.
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Flat File Assembler pipeline component: The messages are suspended, and the following error message is returned:
Error details: Unable to read the stream produced by the pipeline.
Details: Unexpected end of file has occurred. The following elements are not closed: <XmlElementName>. Line <LineNumber>, position <position>.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Resolution
This problem is fixed in the following cumulative update for BizTalk Server:
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Cumulative Update 3 for BizTalk Server 2020
References
For information about the service packs and cumulative update list for BizTalk Server, see the following article in the Microsoft Knowledge Base:
2555976 Service pack and cumulative update list for BizTalk Server
For more information about BizTalk Server hotfixes, see the following article in the Microsoft Knowledge Base:
2003097 Information about BizTalk hotfixes and Cumulative Update support
