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JAXB unmarshal problem with XSD choice element  RSS feed

S Norman
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I'm experiencing a problem unmarshalling a <choice> element in an XML document using JAXB RI 2.2.1.

The element is defined as follows (the full XSD is too large to post):

Here is the XML I'm trying to unmarshal:

When I run the document through the unmarshaller, the resulting PatternExpression object contains the PatternOperator and a single Pattern, which happens to be the last one in the sequence.

Does anyone have any suggestions as to why the Pattern objects are not being added to the list?

I would think that the presence of the PatternOperator would allow JAXB to determine what <choice> the element fall into.

FYI, the XML schema is controlled by a 3rd party, so it cannot be modified.
It is sorta covered in the JavaRanch Style Guide.
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