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
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import org.apache.axis.AxisFault;
/**
 * Utilites class for all types of URl related operatnios.
 * <p>
 */
public class ParameterAccessor
{
	
	/**
	 * Servlet path for parameter model.
	 */
	public static final String SERVLET_PATH_PARAMETER = "/parameter"; 
	/**
	 * Servlet path for preview model.
	 */
	public static final String SERVLET_PATH_PREVIEW = "/preview"; 
	/**
	 * Servlet path for frameset model.
	 */
	public static final String SERVLET_PATH_FRAMESET = "/frameset"; 
	/**