Bug 134229 [smoke][regression] fail to export data as csv format
steps to reproduce: - use the attached report - preview in web viewer - export data - select data - click on OK expected behavior: - data is exported (as csv format) actual behavior: - nothing happened
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/servlet/ViewerServlet.java
* @param config
	 *            servlet configuration
	 */
	public void init( ServletConfig config ) throws ServletException
	{
		super.init( config );
		ParameterAccessor.initParameters( config );
		BirtResources.initResource( ParameterAccessor.getWebAppLocale( ) );
		viewer = FramesetFragment.getFramesetFragment( );
		preview = FramesetFragment.getPreviewFragment( );
		engine = FramesetFragment.getEngineFragment( );
		parameter = FramesetFragment.getParameterFragment( );
	}
	/**
	 * Process http request with GET method
	 * 
	 * @param request
	 *            incoming http request
	 * @param response
	 *            http response
	 * @exception ServletException
	 * @exception IOException
	 */
	public void doGet( HttpServletRequest request, HttpServletResponse response )
			throws ServletException, IOException
	{
		ReportEngineService.getInstance( ).setEngineContext(
				getServletContext( ), request );
		
		BirtContext context = new BirtContext( request );