Robert Bathmann created DAFFODIL-2962:
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Summary: Expression Evaluation Error: Element does not have a
value.
Key: DAFFODIL-2962
URL: https://issues.apache.org/jira/browse/DAFFODIL-2962
Project: Daffodil
Issue Type: Bug
Components: Back End
Affects Versions: 3.9.0
Reporter: Robert Bathmann
Attachments: noValueTest.tdml
Consider the DFDL schema in the attached TDML file. It describes an array of
line-delimited elements containing a nillable complex element within a direct
dispatch choice. A simple pattern discriminator is placed on the line element.
This schema works properly for six occurrences of the line element. However,
adding a seventh line results in the error:
{code:java}
Schema Definition Error: Failed to start infoset complex element: Expression
Evaluation Error: Element does not have a value.{code}
Removing the discriminator, the dispatch key and branch key, or changing the
innermost complex element to nillable="false" allows the larger document to be
parsed.
If additional structures are added within the nillable complex element, this
error can be reproduced with a smaller number of line elements. This is not
illustrated within the TDML for simplicity.
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