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/BirtViewerReportService.java
OutputStream out ) throws ReportServiceException
	{
		IReportDocument doc = ReportEngineService.getInstance( )
				.openReportDocument( getReportDesignName( options ), docName );
		Locale locale = (Locale) options.getOption( InputOptions.OPT_LOCALE );
		
		try
		{
			ReportEngineService.getInstance( ).extractData( doc, resultSetId,
					columns, locale, out );
			doc.close( );
		}
		catch ( RemoteException e )
		{
			throw new ReportServiceException( e.getLocalizedMessage( ) );
		}
	}
	public List getResultSetsMetadata( String docName, InputOptions options )
			throws ReportServiceException
	{
		IReportDocument doc = ReportEngineService.getInstance( )
				.openReportDocument( getReportDesignName( options ), docName );
		
		if ( doc == null )
		{
			throw new ReportServiceException(
					"There is no document file available for extracting the data." ); 
		}
		ResultSet[] resultSetArray;
		try