Bug 141951 Export data throw NPE when target document doesn't exist
Description: Export data doesn't work when deploy birt in WebSphere6 Steps to reproduce: 1. Deploy birt in WebSphere6 2. Preview report and click Export Data Result: java.lang.NullPointerException Stack Trace: org.apache.axis.AxisFault.makeFault(AxisFault.java:101) org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.process(Unknown Source) org.eclipse.birt.report.soapengine.endpoint.BirtSoapBindingImpl.getUpdatedObjects(Unknown Source) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
.getOption( InputOptions.OPT_REQUEST );
		Locale locale = (Locale) renderOptions
				.getOption( InputOptions.OPT_LOCALE );
		Boolean isMasterPageContent = (Boolean) renderOptions
				.getOption( InputOptions.OPT_IS_MASTER_PAGE_CONTENT );
		Boolean svgFlag = (Boolean) renderOptions
				.getOption( InputOptions.OPT_IS_MASTER_PAGE_CONTENT );
		Long pageNum = Long.valueOf( pageID );
		Boolean isRtl = (Boolean) renderOptions
				.getOption( InputOptions.OPT_RTL );
		try
		{
			ByteArrayOutputStream os = ReportEngineService.getInstance( )
					.renderReport( request, doc, pageNum.longValue( ),
							isMasterPageContent.booleanValue( ),
							svgFlag.booleanValue( ), activeIds, locale,
							isRtl.booleanValue( ) );
			doc.close( );
			return os;
		}
		catch ( RemoteException e )
		{
			throw new ReportServiceException( e.getLocalizedMessage( ) );
		}
	}
	public ByteArrayOutputStream getPageByBookmark( String docName,
			String bookmark, InputOptions renderOptions, List activeIds )
			throws ReportServiceException
	{
		long pageNum = getPageNumberByBookmark( docName, bookmark,