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  1. Apache NiFi
  2. NIFI-12304

Document ListenHTTP content unpack behaviour

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Details

    • Improvement
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • None
    • 2.0.0
    • None

    Description

      ListenHTTP depending on the MIME type, will unpack received content automatically. For example, if using InvokeHTTP with a flowfile packed in FlowFile Stream v3 format, with the mime.type attribute set to application/flowfile-v3.

      When ListenHTTP receives the payload, it will interpret the MIME type and if it matches a well-known value (i.e. application/flowfile-v3), the content will automatically be unpacked by this processor.

      While that's a handy feature, it is potentially confusing as this inline unpacking behaviour isn't documented, and a reasonable expectation is that one needs to UnpackContent separately in a subsequent processor.

      Recommend adding some use case documentation to ListenHTTP, to avoid confusion.

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              mosermw Michael W Moser
              p-kimberley Peter Kimberley
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