Bug 155493 [Deploy] Pictures and chart pictures are lost when preview on Weblogic Server using WAR deploy
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
DataSessionContext.MODE_DIRECT_PRESENTATION, reportItem
								.getModuleHandle( ) ) );
		selectValueList.addAll( session.getColumnValueSet( reportItem
				.getDataSet( ), reportItem.paramBindingsIterator( ), reportItem
				.columnBindingsIterator( ), bindingName ) );
		session.shutdown( );
		return selectValueList;
	}
	/**
	 * Returns the element handle which can save binding columns the given
	 * element
	 * 
	 * @param handle
	 *            the handle of the element which needs binding columns
	 * @return the holder for the element,or itself if no holder available
	 */
	private ReportItemHandle getBindingHolder( DesignElementHandle handle )
	{
		if ( handle instanceof ReportElementHandle )
		{
			if ( handle instanceof ListingHandle )
			{
				return (ReportItemHandle) handle;
			}
			if ( handle instanceof ReportItemHandle )
			{
				if ( ( (ReportItemHandle) handle ).getDataSet( ) != null
						|| ( (ReportItemHandle) handle )
								.columnBindingsIterator( ).hasNext( ) )
				{