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Posted to commits@daffodil.apache.org by "Josh Adams (Jira)" <ji...@apache.org> on 2019/12/30 15:06:00 UTC

[jira] [Created] (DAFFODIL-2261) Optional first element in unordered sequence fails to unparse

Josh Adams created DAFFODIL-2261:
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             Summary: Optional first element in unordered sequence fails to unparse
                 Key: DAFFODIL-2261
                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2261
             Project: Daffodil
          Issue Type: Bug
          Components: Back End
    Affects Versions: 2.5.0
            Reporter: Josh Adams
            Assignee: Josh Adams
             Fix For: 2.5.0
         Attachments: BE.dfdl.xsd, BE.tdml

A user discovered an issue with optional elements inside unordered sequences.  Specifically, when the first element of an unordered sequence has minOccurs="0" and does not have maxOccurs > 1, the unparse attempt will fail with the following error message:

"Expected element start event for {}x, but received element end event for {}y."

Attached is a test case demonstrating this behavior.



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