Bug 183307 JS error with cascading group in birt:paramDef tag.[0603]
Description: JS error with cascading group in birt:paramDef tag. Build number:2.2.0.v200704190630 Steps to reproduce: 1. New a report with cascading group from sample table OFFICES(COUNTRY, OFFICECODE). 2. New a jsp file with content: <birt:parameterPage id="0" name="custom param page" reportDesign="report.rptdesign" isCustom="true" pattern="frameset"> <birt:paramDef id="9" name="country" value="USA"/> <input type="submit" name="OK" value="submit"/> </birt:parameterPage> 3. Preview the jsp file. Expected result: Display Listbox/combobox with value "USA" as default. Actual result: JS error A runtime error is occurred Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ParamDefTag.java
}
	/**
	 * process tag function
	 * 
	 * @throws Exception
	 */
	protected void __process( ) throws Exception
	{
		if ( viewer == null )
			return;
		HttpServletRequest request = (HttpServletRequest) pageContext
				.getRequest( );
		this.locale = BirtTagUtil.getLocale( request, viewer.getLocale( ) );
		
		this.options = new InputOptions( );
		options.setOption( InputOptions.OPT_REQUEST, request );
		options.setOption( InputOptions.OPT_LOCALE, this.locale );
		options.setOption( InputOptions.OPT_RTL, Boolean.valueOf( viewer
				.getRtl( ) ) );
		
		Collection paramDefList = viewer.getParameterDefList( );
		if ( paramDefList == null )
		{
			
			BirtReportServiceFactory.getReportService( ).setContext(
					pageContext.getServletContext( ), options );
			
			IViewerReportDesignHandle designHandle = BirtTagUtil
					.getDesignHandle( request, viewer );
			viewer.setReportDesignHandle( designHandle );