In Hibernate, escaping is done with prepending by \
. But in Java, you also have to escape \
by another \
. So every :
needs to be replaced by \\:
. Finally, you get:
Query query = session.createSQLQuery("SELECT
XMLSERIALIZE
(CONTENT
XMLELEMENT
(
NAME \"ltc\\:DOAATLTC\",
XMLATTRIBUTES
(
'http://www.edftrading.com/Trade/Common/DoaatLTC' AS \"xmlns\\:ltc\",
'http://www.edftrading.com/Trade/Common/DoaatLTCHourlyNomination' AS \"xmlns\\:ltchnom\"
),
XMLELEMENT ( ... ) FROM ...");