Bug 161501 [Smoke] Chart can not be previewed in Web Viewer & HTML
Chart can not be previewed in Web Viewer & HTML Steps to reproduce: 1. Create a chart. 2. Preveiw in Web Viewer/ HTML. Expected result: Chart can be previewed. Actual result: No chart is shown.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/presentation/aggregation/layout/FramesetFragment.java
response.setContentType( mimeType );
			else
				response.setContentType( "application/octet-stream" ); 
		}
	}
	/**
	 * Render the report in html/pdf format by calling frameset service.
	 * 
	 * @param request
	 *            incoming http request
	 * @param response
	 *            http response
	 * @exception ServletException
	 * @exception IOException
	 */
	protected void doService( HttpServletRequest request,
			HttpServletResponse response ) throws ServletException,
			IOException, BirtException
	{
		BaseAttributeBean attrBean = (BaseAttributeBean) request
				.getAttribute( IBirtConstants.ATTRIBUTE_BEAN );
		assert attrBean != null;
		ServletOutputStream out = response.getOutputStream( );
		IContext context = new BirtContext( request, response );
		GetUpdatedObjectsResponse upResponse = new GetUpdatedObjectsResponse( );
		Operation op = null;
		try
		{
			File file = new File( attrBean.getReportDocumentName( ) );
			if ( !file.exists( ) )