Question

The entity name must immediately follow the '&' in the entity reference.

Asked by: presynct

Hi Friends,
I am trying to convert the HTML to PDF using Java and XSLT. In the converson process, if I have the & in the text field, the conversion works fine. But if I have the & in the text area, then it gives the error " The entity name must immediately follow the '&' in the entity reference.". Everything works fine if I dont have any & in the html page. I dont understand why it works for text field and not for textarea field. The error log is:
13:43:17,520 ERROR [STDERR] SystemId Unknown; Line #654; Column #117; The entity name must immediately follow the '&' in the entity reference.
13:43:18,505 ERROR [STDERR] FATAL ERROR: Premature end of file.
13:43:18,505 ERROR [PdfBuilder] PdfBuilder.generatePdf() HTML processing exception
org.xml.sax.SAXParseException: Premature end of file.
      at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
      at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
      at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
      at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
      at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
      at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
      at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
      at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
      at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
      at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
      at org.faceless.report.ReportParser2.parse(ReportParser2.java:82)
      at com.cmt.tower.document.Html2PdfTransformer.toPdf(Html2PdfTransformer.java:115)
      at com.cmt.tower.document.PdfBuilder.generatePdf(PdfBuilder.java:106)
      at com.cmt.tower.servlet.officer.PrintReportServlet.doPost(PrintReportServlet.java:190)
      at com.cmt.tower.servlet.TowerServlet.doGet(TowerServlet.java:306)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      at com.cmt.tower.servlet.UserFilter.doFilter(UserFilter.java:263)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
      at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
      at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
      at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
      at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
      at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
      at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
      at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
      at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
      at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
      at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
      at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
      at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
      at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
      at java.lang.Thread.run(Thread.java:619)

Thanks a lot in advance for your help and co operation.

This is the code where exactly I am getting this error:
public byte[] transform(InputStream htmlStream) throws TransformerException {
	
		try {
			
			if(htmlStream == null)
				throw new IllegalArgumentException("Unable to transform: NULL html input stream specifed");
			
			TransformerFactory tFactory = TransformerFactory.newInstance();
			
			// ready xsl
			if(xslFile == null) {
				String contextPath = ResourceBundle.getBundle("presynct").getString("deploy.dir");
		        if (contextPath == null) {
		            throw new Exception("Unable to obtain presynct context path.");
		        }
				String xslFilename = contextPath + File.separator + "xsl" + File.separator + "html2pdf.xsl";
				xslFile = new File(xslFilename);
			}
			if(xslFile == null || !xslFile.exists())
				throw new Exception("Unable to find html2pdf.xsl file");
 
			StreamSource xslSrc = new StreamSource(xslFile);
			xslSrc.setSystemId(xslFile);
			
			Transformer transformer = tFactory.newTransformer(xslSrc);
			
			if(basePath == null) {
				basePath = 
					ResourceBundle.getBundle("presynct").getString("server.url")
					+ "/"
					+ ResourceBundle.getBundle("presynct").getString("context.root")
					+ "/";
			}
			if(basePath != null && basePath.length() > 0)
				transformer.setParameter("basePath", basePath);
			
			// ready input
			StreamSource ssrc = new StreamSource(htmlStream);
			
			// ready output
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			StreamResult sresult = new StreamResult(baos);
			
			// transform
			//log.debug("Html2PdfTransformer.transform() transforming to bigfaceless-compliant XML input...");
			transformer.transform(ssrc, sresult);
			
			byte[] rval = baos.toByteArray();
			
			baos.close();
			
			return rval;
		}
		catch(TransformerException te) {
			te.printStackTrace();
			throw te;
		}
		catch(Exception e) {
			throw new TransformerException("Html2PdfTransformer.transform() EXCEPTION",e);
		}
	}

                                  
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Asked On
2009-10-16 at 14:12:24ID24819490
Tags

HTML

,

PDF

,

XML

,

JAVA

Topics

Extensible Stylesheet Language Transformation (XSLT)

,

Hypertext Markup Language (HTML)

,

Java Programming Language

Participating Experts
1
Points
500
Comments
4

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Answers

 

by: kmartin7Posted on 2009-10-16 at 14:29:00ID: 25593510

Try making the textarea the ampersand character entity (&amp;). It is strange that you don't get the error in the text field. But any & in XML expects a character or numeric entity. If there isn't one, it will error out.

 

by: presynctPosted on 2009-10-16 at 14:44:31ID: 25593622

Thanks for your quick response.
>>Try making the textarea the ampersand character entity (&amp;).
Could you please tell me how to do this? I dont understnad this. when the user types some thing in the textarea, for ex. &,  how can we change it to &amp; ?

Thanks.

 

by: kmartin7Posted on 2009-10-16 at 15:11:44ID: 25593748

Using a replace function, using javascript, you should be able to do it. E-E does something similar whenever form data is submitted, replacing < and > with &lt ; and &gt ;

First, I would manually type it in first to see if the problem goes away. I am getting ready to go for a long run, so I may not be back for a while (or maybe even for the rest of the day), but I will follow up sometime this weekend.

kmartin7

 

by: presynctPosted on 2009-10-20 at 14:35:19ID: 25618904

I wrote the JavaScript code to replace  the & in the text area. Since its working in text box, I thought some thing I can do in the code to fix this for the text area also. But I couldn't do anything. So I have handled through JavaScript only. Thanks for your suggestion.

20120131-EE-VQP-002

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