Bug 138552 [Smoke][Regression]The web viewer can not work
Description: The web viewer can not work Steps to reproduce: 1. new a report 2. new a label and input something in the label 3. save and preview with the web viewer Actual result: Nothing is displayed.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
* @param request
	 */
	public ViewerAttributeBean( HttpServletRequest request )
	{
		super( request );
	}
	/**
	 * Init the bean.
	 * 
	 * @param request
	 * @throws Exception
	 */
	protected void __init( HttpServletRequest request ) throws Exception
	{
		if ( ParameterAccessor.isGetImageOperator( request ) )
		{
			return;
		}
		this.category = "BIRT"; 
		this.masterPageContent = ParameterAccessor
				.isMasterPageContent( request );
		this.isDesigner = ParameterAccessor.isDesigner( request );
		this.bookmark = ParameterAccessor.getBookmark( request );
		this.reportPage = String.valueOf( ParameterAccessor.getPage( request ) );
		this.reportDocumentName = ParameterAccessor.getReportDocument( request );
		this.reportDesignName = ParameterAccessor.getReport( request );
		/**
		 * Determine the report design and doc 's timestamp
		 */
		processReport( request );