Ok, so we have two problems:
1. Compressed Metadata stream: FOP doesn't compress the metadata stream
by default. The problem is that FOP 0.95 has a demo configuration file
that contains a filter list that causes all stream to be compressed.
Please remove all "filterList" elements including their children from
the configuration file. I've already committed a fix to FOP Trunk which
makes this unnecessary some time ago:
http://svn.apache.org/viewvc?rev=695491&view=rev

2. The XMP is not valid RDF because the namespace declarations are
missing: If that happens you're using a JAXP TraX implementation that
has a buggy serializer. I've just tried with a fresh Sun Java 1.6.0_10
installation on WinXP and didn't have that problem. I assume you've
installed a different JAXP implementation.

On 05.11.2008 16:28:54 Stepan RYBAR wrote:
> Hello, 
> 
> I have a problem with metadada part of PDF created by Apache FOP 0.95
> (using Sun Java SE 1.6.0_10 on MS Windows 2000). Although resulted PDF
> looks OK in Acrobat Reader, I am not able to process resulted PDF using
> iText 2.1.3. It throws Exception shown below. After several e-mails
> among iText developers (and me), it looks like even if I do not specify
> any metadata in FO, FOP 0.95 produces PDF with compressed not valid XML
> metadata section according to iText developers. If I specify metadata
> according to Your example at 
> 
> http://xmlgraphics.apache.org/fop/0.95/metadata.html#xmp-example
> 
> there is the same Exception. So, could You, please, verify, if the
> problem is really caused by FOP and if yes, to repait it? Thank You
> very much in advance. 
> 
> Stepan Rybar 
> 
> > ------------ Pùvodní zpráva ------------
> > Od: Paulo Soares <>
> > Pøedmìt: Re: [iText-questions] iText 2.1.3: Invalid byte 1 of 1-byte UTF-8
> > sequence Exception while processing PDF from Apache FOP 0.95
> > Datum: 05.11.2008 15:44:00
> > ----------------------------------------
> > The metadata can be compressed, the problem is that the metadata is not a 
> > valid
> > xml document (or at least it wasn't in the pdf I loooked at). iText should
> > ignore the error and carry on but it currently doesn't. The problem starts 
> > at
> > FOP in any case.
> > 
> > Paulo
> > 
> > ________________________________________
> > From: 1T3XT info []
> > Sent: Wednesday, November 05, 2008 2:08 PM
> > To: Post all your questions about iText here
> > Subject: Re: [iText-questions] iText 2.1.3: Invalid byte 1 of 1-byte UTF-8
> > sequence Exception while processing PDF from Apache FOP 0.95
> > 
> > Stepan RYBAR wrote:
> > > Hello,
> > >
> > > thank You answer. But after some tests I guess, that this is not caused by
> > missing metadata.
> > 
> > Think again.
> > 
> > > Even if there are no metadata in "source.fo"
> > 
> > Look at your PDF document.
> > In the root dictionary, there's a reference to XMP data.
> > /Metadata 7 0 R
> > If we have a look at object 5, we see:
> > 7 0 obj
> > <<
> >    /Type /Metadata
> >    /Subtype /XML
> >    /Length 12 0 R
> >    /Filter /FlateDecode
> >  >>
> > stream
> > xoe?QN~jÂ0?}?ü++?×?I??3¤.a){q??÷\"??oem?#"?Ú?öIu^...??
> > W+OE=?îÍ9'ç"#?u.Ë=X´...?]Ä?óý?#­bü?Íé1/4šÁNß7?VÍA~Z6{9Qxšô{ýž¨y}¨?`s?
> > ?žu`2ÍÂ~ÂQ?]Y]?¨Ýómy^(2)1?-^^(1)}'f?0G?'l8?¤s?X?T'
> > &^(1)s?wEUR^(2)Ç?o`?D++"E`ë?Ë(c)HÇü/yÜ/[EMAIL 
> > PROTECTED]'^(1)?ôvA`?EURFk6âa~?ÎFW"qJ?é0y"é§$W^?B+x
> > a~?3/4äî?ÁO~ëE`U`s??!gÍ??.}??...kU^?Z?
> > 
> > Oops... What's this?
> > This is a compressed XMP stream.
> > That's not allowed in PDF!
> > 
> 
> 
> # ------------ Pùvodní zpráva ------------
> # Od: Stepan RYBAR <>
> # Pøedmìt: Re: [iText-questions] iText 2.1.3: Invalid byte 1 of 1-byte UTF-8
> # sequence Exception while processing PDF from Apache FOP 0.95
> # Datum: 05.11.2008 13:52:34
> # ----------------------------------------
> # Hello, 
> # 
> # thank You answer. But after some tests I guess, that this is not caused by
> # missing metadata. Even if there are no metadata in "source.fo", I can use 
> iText
> # to print to stdout total number of pages. So it means, that iText can read
> # "source.pdf" without throwing any exception. See attached "source.fo" 
> (commented
> # metadata), "source.pdf" (commented creation of output) and Java code for 
> iText,
> # which passes without problem. 
> # 
> # Once I want to create output file and save it without any modification (to
> # prevent mistake in font encoding setting), there is an Exception: 
> # 
> # ExceptionConverter:
> # com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException:
> # Invalid byte 1 of 1-byte UTF-8 sequence. 
> # 
> # Stepan Rybar 
> # 
> # > ------------ Pùvodní zpráva ------------
> # > Od: Paulo Soares <>
> # > Pøedmìt: Re: [iText-questions] iText 2.1.3: Invalid byte 1 of 1-byte UTF-8
> # > sequence Exception while processing PDF from Apache FOP 0.95
> # > Datum: 04.11.2008 17:23:03
> # > ----------------------------------------
> # > The metadata generated by FOP is broken. They have:
> # > 
> # > <x:xmpmeta>
> # > 
> # > instead of:
> # > 
> # > <x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="3.1-702">
> # > 
> # > The namespace is not defined and the parser complains about it.
> # > 
> # > Paulo
> # > ________________________________________
> # > From: Stepan RYBAR []
> # > Sent: Tuesday, November 04, 2008 4:11 PM
> # > To: [EMAIL PROTECTED]
> # > Subject: [iText-questions] iText 2.1.3: Invalid byte 1 of 1-byte UTF-8 
> # sequence
> # > Exception while processing PDF from Apache FOP 0.95
> # > 
> # > Hello,
> # > 
> # > I am trying to use iText for adding page numbers to the already existed 
> PDF
> # > using PDFStamper class. I have problem. PDFs, which I create using Apache 
> FOP
> # > 0.95, cause Exception as shown below, although they look OK in Adobe 
> Acrobat
> # > Reader 8.1.2. I guess, that this is problem of missing or wrong encoding
> # > somewhere (but where?). Attached to this e-mail are: FO source, resulted 
> PDF,
> # > Java code for iText. I am using Sun Java SE 1.6.0_10 on MS Windows 2000.
> # Please,
> # > can You point me, where I am making miskate?
> # > 
> # > Thank You. Stepan
> # > 
> # > L:\Documents\Capitol\vypisyKv1\_other>L:\RunFiles\jdk\jre\bin\java -cp
> # > ".;iText-
> # > 2.1.3.jar" AddPageNumbersToExistingPageNumberPDF
> # > ExceptionConverter:
> # > com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequ
> # > enceException: Invalid byte 1 of 1-byte UTF-8 sequence.
> # >         at
> # > com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.invalidByte(Unk
> # > nown Source)
> # >         at 
> com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(Unknown
> # > So
> # > urce)
> # >         at
> # > com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(Unknown
> # >  Source)
> # >         at
> # > com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.arrangeCapac
> # > ity(Unknown Source)
> # >         at
> # > com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.skipString(U
> # > nknown Source)
> # >         at
> # > com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineD
> # > ocVersion(Unknown Source)
> # >         at
> # > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(U
> # > nknown Source)
> # >         at
> # > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(U
> # > nknown Source)
> # >         at 
> com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown
> # > So
> # > urce)
> # >         at 
> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown
> # > So
> # > urce)
> # >         at
> # > com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unk
> # > nown Source)
> # >         at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)
> # >         at com.lowagie.text.xml.xmp.XmpReader.<init>(Unknown Source)
> # >         at com.lowagie.text.pdf.PdfStamperImp.close(Unknown Source)
> # >         at com.lowagie.text.pdf.PdfStamper.close(Unknown Source)
> # >         at
> # > AddPageNumbersToExistingPageNumberPDF.main(AddPageNumbersToExistingPa
> # > geNumberPDF.java:30)
> # > 




Jeremias Maerki


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