[JENA-549] Subject variables in a text:query bound earlier in the query cause exception in TDB.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Jena 2.11.0
• Fix Version/s: Jena 2.11.1
• Component/s: Spatial, Text
• Assignee: Andy Seaborne
• Reporter: Andy Seaborne
• Created: 26/Sep/13 12:10
• Updated: 26/Sep/13 12:59
• Resolved: 26/Sep/13 12:39

Description

Example:

   ?s :p 123 .
   ?s text:query 'foo' 

and text:query matches something, then an internal inconsistency is detected by TDB. This error happens more generally - TDB happens to have additional checking code and the order of creation of concrete terms is different for TDB vs in-memory execution.

Exception in thread "main" com.hp.hpl.jena.sparql.ARQInternalErrorException: Attempt to reassign '?item' from '<http://www.riograndegames.com/games.html?id=181>' to '<http://www.riograndegames.com/games.html?id=181>'
	at com.hp.hpl.jena.sparql.engine.binding.BindingHashMap.checkAdd(BindingHashMap.java:111)
	at com.hp.hpl.jena.sparql.engine.binding.BindingHashMap.add(BindingHashMap.java:92)
	at com.hp.hpl.jena.sparql.engine.binding.BindingFactory.materialize(BindingFactory.java:60)
	at com.hp.hpl.jena.tdb.solver.QueryEngineTDB$QueryIteratorMaterializeBinding.moveToNextBinding(QueryEngineTDB.java:139)