Query with XMLTABLE returns null rows

Hello all,
I'm trying a query with XMLTABLE, but even thought the number of returned rows is correct, the row content is (null).
DB version is: 10.2.0.4.0
Here is my query;
SELECT s.DESCRIPTION
FROM EXECUTIONPLAN p,
XMLTABLE
('//executionPlan/executionPlanItems/summary'
   PASSING p.DATA
   COLUMNS
     DESCRIPTION VARCHAR(250) PATH '/taskId'
) s
WHERE
trunc(extractValue(data, '/executionPlan/executionPlanHeader/statusChanged')) = to_date('2010-03-05','YYYY-MM-DD');Sorry the XML content is quite big -50k lines at average- so can't post the whole XML, but to give an idea;
/executionPlan
   /executionPlan
      /executionPlanHeader
         /statusChanged
         /x
         /y
      /executionPlanItems
         /summary
            /taskId
         /summary
         /summary
         ...The result looks like;
1 (null)
2 (null)
3 (null)
4 (null)
...Suggestions are very much appreciated :)
Cheers

Hi guys,
Cracked it at last. It seems the column definition part does not like the forward slash in front of it. The following works;
SELECT s.DESCRIPTION
FROM EXECUTIONPLAN p,
XMLTABLE
( XmlNamespaces(DEFAULT 'http://www.staffware.com/frameworks/gen/valueobjects'),
   '/executionPlan/executionPlanItems/summary'
   PASSING p.DATA
   COLUMNS
     DESCRIPTION VARCHAR(250) PATH 'taskId'
) s
WHERE
trunc(extractValue(p.data, '/executionPlan/executionPlanHeader/statusChanged'
                         , 'xmlns="http://www.staffware.com/frameworks/gen/valueobjects"')) = to_date('2010-03-05','YYYY-MM-DD');I'm not sure if this is the way it is intended since it seems a bit weird to me and is not in line with the docs - or at least my understanding of them.
Thanks for taking the time to help out. Now on to coding :)

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