Bug 173224 [regression] preview attached report caused data exception
steps to reproduce: - preview attached report within deployed birt report viewer expected behavior: - report is rendered properly actual behavior: - exception thrown in console, although report was rendered
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/actionhandler/BirtGetCascadeParameterActionHandler.java
}
			cascadeParameter.setSelectionList( selectionLists );
		}
		handleUpdate( cascadeParameter );
	}
	/**
	 * Get vector from the list.
	 * 
	 * @param list
	 * @return
	 */
	private SelectItemChoice[] getVectorFromList( List list )
	{
		SelectItemChoice[] selectionList = new SelectItemChoice[list.size( )];
		for ( int i = 0; i < list.size( ); i++ )
		{
			SelectItemChoice item = (SelectItemChoice) list.get( i );
			selectionList[i] = new SelectItemChoice( item.getValue( ), item
					.getLabel( ) );
		}
		return selectionList;
	}
	private Map getParameterSelectionLists( IViewerReportDesignHandle design,
			Map params, InputOptions options, ViewerAttributeBean attrBean )
			throws ReportServiceException
	{
		if ( params == null || params.size( ) == 0 )
			return new HashMap( );
		List[] listArray = null;
		Map ret = new HashMap( );