Bug 143671 [Linux-As][Smoke]Parameter can't be used.
Details: [Linux-As]Parameter can't be used. Setp: 1.New a report design. 2.New a paremeter. 3.Preview and click Run Report Parameter. 4.Dialog pop up and press OK. Actual resutl: Report error.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
* @param request
	 * @return report element's iid
	 */
	public static String getIId( HttpServletRequest request )
	{
		return getReportParameter( request, PARAM_IID, null );
	}
	/**
	 * Get report locale from Http request.
	 * 
	 * @param request
	 *            http request
	 * @return report locale
	 */
	public static Locale getLocale( HttpServletRequest request )
	{
		return getLocaleFromString( getParameter( request, PARAM_LOCALE ) );
	}
	/**
	 * Check whether the viewer is set rtl option.
	 * 
	 * @param request
	 * @return
	 */
	public static boolean isRtl( HttpServletRequest request )
	{
		boolean isRtl = false;
		if ( "true".equalsIgnoreCase( getParameter( request, PARAM_RTL ) ) ) 
		{
			isRtl = true;