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Unrecognized Messages in the XML Assembler Pipeline Component

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The XML Assembler component treats a message as "unrecognized" if a message has:

  • No body part.

  • An empty body part.

  • No data in the body part.

  • No associated schema deployed.

Note

Non-XML messages are always treated as unrecognized.

The manner in which the XML Assembler handles an unrecognized message is controlled by the XMLNorm.AllowUnrecognizedMessage message context property.

When XMLNorm.AllowUnrecognizedMessage is set to True, the XML Assembler handles XML documents as follows:

  • A message with no body part or with an empty body part or empty data in the body part passes unchanged through the assembler.

  • A document that does not have a deployed schema associated with it passes unchanged through the assembler.

  • A document with an associated deployed schema is processed by the assembler (regardless of whether the schema is explicitly referenced in a component property or found during the schema resolution process).

    If XMLNorm.AllowUnrecognizedMessage is set to False, the XML Assembler handles XML documents as follows:

  • A message with no body part or with an empty body part or empty data in the body part is not processed. An error is reported and the message is suspended.

  • A message that does not have a deployed schema associated with it is not processed. An error is reported and the message is suspended.

  • A document with an associated deployed schema is processed by the assembler (regardless of whether the schema is explicitly referenced in a component property or found during the schema resolution process).

  • By default, the XML Assembler component does not allow unrecognized messages (that is, XMLNorm.AllowUnrecognizedMessages is considered False if it is not set on the message context).

See Also

XML Assembler Pipeline Component
How to Configure the XML Assembler Pipeline Component
Pipelines-AssemblerDisassembler (BizTalk Server Samples Folder)