Bug 201396 Exception is thrown out when a chart use the list shared result set [0005]
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryResults.java
{
	
	private IServiceForQueryResults 	queryService;
	
	
	private DataEngineContext 			context;
	private Scriptable 					queryScope;
	private int 						nestedLevel;
	
	
	private String                      rootQueryResultID;
	private String 						selfQueryResultID;
	private IResultIterator				iterator;
		
	private static Logger logger = Logger.getLogger( QueryResults.class.getName( ) );
	
	/**
	 * @param queryService
	 * @param queryScope
	 * @param nestedLevel