DO NOT REPLY [Bug 19231] New: - JXPathContext.iterate(String) returns duplicate children

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=19231

JXPathContext.iterate(String) returns duplicate children

           Summary: JXPathContext.iterate(String) returns duplicate children
           Product: Commons
           Version: 1.0 Alpha
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: JXPath
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: jpfield@adelphia.net


i have a bean hierarchy as follows

Collection Listing.getProperties()  // returns collection of Property objects
Collection Property.getStructures()  // returns collection of Structure objects
Collection Structure.getRooms()     // returns collection of Room objects
Collection Room.getRooms()          // also returns collection of Room objects

the following code:

public void testCreate() throws Exception {
    JXPathContext context = JXPathContext.newContext(this.listing);
    for (Iterator i =
(Iterator)context.iterate("properties/structures/levels//rooms[name='Bathroom']");
i.hasNext();) {
	Room bathroom = (Room) i.next();
	System.out.println(bathroom.getName() +" "+      bathroom.getValue());
    }
}


run against the following pseudo structure:

Listing = (null)
+-Property = (10116 St. Paul's Lane)
+-+-Structure = (Townhouse)
+-+-+-Level = (First Floor)
+-+-+-+-Kitchen = (Kitchen)
+-+-+-+-Room = (Living Room)
+-+-+-+-Bathroom = (Powder Room)
+-+-+-Level = (Second Floor)
+-+-+-+-Bedroom = (Master Bedroom)
+-+-+-+-+-Bathroom = (Master Bath)
+-+-+-+-Bedroom = (Guest Bedroom)
+-+-+-+-+-Bathroom = (Guest Bath)


generates the following output:

Bathroom Powder Room
Bathroom Master Bath
Bathroom Guest Bath
Bathroom Master Bath
Bathroom Guest Bath


the last four should only have been two.  the direct xpath would be
'properties/structures/levels/rooms[name='Bedroom']' 
and 
'properties/structures/levels/rooms/rooms[name='Bedroom']'.

but when i use the 'properties/structures/levels//rooms[name='Bedroom']' style
query, the rooms/rooms children get listed twice.

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