Bug 154423 Stack overflow using XML data source
data/org.eclipse.birt.report.data.oda.xml/src/org/eclipse/birt/report/data/oda/xml/util/ui/SchemaPopulationUtil.java
spThread.start( );
			while ( sp.isAlive( ) && !sp.isSuspended( ) )
			{
				try
				{
					synchronized ( this )
					{
						wait( );
					}
				}
				catch ( InterruptedException e )
				{
					
					e.printStackTrace( );
				}
			}
		}
		catch ( OdaException e1 )
		{
			
			e1.printStackTrace( );
		}
		return root;
	}
	/**
	 * Insert a node specified by the path.
	 * 
	 * @param treatedPath
	 */
	private void insertNode( String treatedPath )