Bug 199714 NPE with invalid url[0002]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
parameterDefList, request, options );
		
		this.displayTexts = BirtUtility.getDisplayTexts( this.displayTexts,
				request );
		
		this.locParams = BirtUtility.getLocParams( this.locParams, request );
		
		this.parameters = (HashMap) getParsedParameters(
				this.reportDesignHandle, parameterDefList, request, options );
		
		this.parametersAsString = getParsedParametersAsStringWithDefaultValue(
				this.parametersAsString, parameterDefList, request, options );
	}
	/**
	 * Check whether show parameter page or not
	 * 
	 * @param request
	 * @return
	 */
	private boolean checkShowParameterPage( HttpServletRequest request )
	{
		if ( !ParameterAccessor.HEADER_REQUEST_TYPE_SOAP
				.equalsIgnoreCase( this.requestType )
				&& !IBirtConstants.SERVLET_PATH_DOWNLOAD
						.equalsIgnoreCase( request.getServletPath( ) ) )
		{
			String showParameterPage = ParameterAccessor
					.getShowParameterPage( request );
			if ( "false".equalsIgnoreCase( showParameterPage ) ) 
			{