Bug 132914 "Invalid page number" error message is hard coded.
"Invalid page number" error message is hard coded in DocumentProcessor.java. This must be externalized into *.properties file. If there are other hard coded error messages, please also externalize.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/actionhandler/BirtRenderReportActionHandler.java
* @return
	 */
	protected void __execute( ) throws RemoteException
	{
		ViewerAttributeBean attrBean = (ViewerAttributeBean) context.getBean( );
		assert attrBean != null;
		String docName = attrBean.getReportDocumentName( );
		try
		{
			InputOptions options = new InputOptions( );
			options.setOption( InputOptions.OPT_REQUEST, context.getRequest( ) );
			options.setOption( InputOptions.OPT_LOCALE, attrBean.getLocale( ) );
			options.setOption( InputOptions.OPT_RTL, new Boolean( attrBean.isRtl( ) ) );
			options.setOption( InputOptions.OPT_IS_DESIGNER, new Boolean(
					attrBean.isDesigner( ) ) );
			getReportService( ).renderReport( docName, null, options, os );
		}
		catch ( ReportServiceException e )
		{
			AxisFault fault = new AxisFault( );
			fault.setFaultReason( e.getMessage( ) );
			throw fault;
		}
	}
	protected IViewerReportService getReportService( )
	{
		return BirtReportServiceFactory.getReportService( );
	}
}