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
try
		{
			ReportEngineService.initEngineInstance( conf );
		}
		catch ( BirtException e )
		{
			
			e.printStackTrace( );
		}
	}
	public String runReport( IViewerReportDesignHandle design,
			String outputDocName, InputOptions runOptions, Map parameters )
			throws ReportServiceException
	{
		IReportRunnable runnable;
		HttpServletRequest request = (HttpServletRequest) runOptions
				.getOption( InputOptions.OPT_REQUEST );
		Locale locale = (Locale) runOptions.getOption( InputOptions.OPT_LOCALE );
		ViewerAttributeBean attrBean = (ViewerAttributeBean) request
				.getAttribute( "attributeBean" ); 
		Map parsedParams = attrBean.getParameters( );
		if ( parameters != null )
		{
			parsedParams.putAll( parameters );
		}
		runnable = (IReportRunnable) design.getDesignObject( );
		try
		{
			ReportEngineService.getInstance( ).runReport( request, runnable,
					outputDocName, locale, (HashMap) parsedParams );