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
* <td>Report locale</td>
 * <td>Java locale value such as en or ch-zh.</td>
 * <td>optional, default to JVM locale</td>
 * </tr>
 * <tr>
 * <td>__page</td>
 * <td>Report page number</td>
 * <td>Report page to be viewed.</td>
 * <td>optional, default to 0</td>
 * </tr>
 * <tr>
 * <td><i>reportParam</i></td>
 * <td>User defined report parameter.</td>
 * <td>As specified in the report design.</td>
 * <td>As specified in the report design.</td>
 * </tr>
 * </table>
 * <p>
 */
public class ViewerServlet extends BirtSoapMessageDispatcherServlet
{
	/**
	 * Comment for <code>serialVersionUID</code>.
	 */
	private static final long serialVersionUID = 1L;
	/**
	 * Viewer fragment references.
	 */
	private IFragment viewer = null;
	private IFragment preview = null;