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  1. Daffodil
  2. DAFFODIL-2615

group sharing causes obscure unparser runtime error

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Details

    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • 2.7.0, 3.3.0, 3.2.1
    • 3.4.0
    • Back End, Middle "End"
    • None

    Description

       

      While working on a large  DFDL schema, ran into a problem where a group is being shared in 2 places.

      I get an obsure message at unparse time like this:

      "Unparser needed event for {}nackHeader but got (invalid) {}nackHeader"

      This element nackHeader is the element that appears immediately after one of the shared group references. The other one works fine. 

      Making a copy of the shared group so that it is no longer shared eliminates the problem and is the workaround. 

      I will endeavor to create a simplified scenario to reproduce. 

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            Unassigned Unassigned
            mbeckerle Mike Beckerle

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