Bug 144153 [regression] drill through to a report with parameter does not work properly
steps to reproduce: - use the attached report design (new_report_2.rptdesign contains a drill through link) (new_report_3.rptdesign contains a parameter without default value) - preview new_report_2.rptdesign in HTML and PDF - click on Carine expected behavior: - drill through to new_report_3.rptdesign - parameter dialog should be displayed actual behavior: - browser internal error
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
{
			ScalarParameterHandle parameter = null;
			Object parameterObj = iter.next( );
			if ( parameterObj instanceof ScalarParameterHandle )
			{
				parameter = (ScalarParameterHandle) parameterObj;
			}
			
			if ( parameter == null )
				continue;
			String paramName = parameter.getName( );
			String paramValue = getParamValueAsString( request, parameter );
			
			if ( paramValue == null
					&& ( IBirtConstants.SERVLET_PATH_FRAMESET
							.equalsIgnoreCase( request.getServletPath( ) ) || !this.configMap
							.containsKey( paramName ) ) )
			{
				paramValue = this.getParameterDefaultValues(
						reportDesignHandle, paramName, options );
			}
			if ( paramName != null )
				params.put( paramName, paramValue );
		}
		return params;
	}
	/**
	 * @return the parameter handle list
	 */
	private List getParameterList( ) throws ReportServiceException