reporting the parsing stack on validation error ?

[fikin]

i have an use case where the validation error message should contain the
parsing stack as well.
for example, instead of:
    org.xml.sax.SAXParseException: cvc-complex-type.3.2.2:
   Attribute 've1r' is not allowed to appear in element 'in:document'.
to print actually:
    org.xml.sax.SAXParseException: cvc-complex-type.3.2.2:
    Attribute 've1r' is not allowed to appear in element
'/in:root/in:document'.

any suggestions?