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Subject: Re: Workaround for PDFBOX-2893
To: users@pdfbox.apache.org
References: <2ECDA00F-FCCC-499D-86A0-A403F2182403@gmail.com>
 <55FC51E8.1030100@t-online.de>
 <FCDA202F-413D-4E7C-AB0D-F76D1C55D852@gmail.com>
From: Tilman Hausherr <THausherr@t-online.de>
Message-ID: <55FECE06.2000809@t-online.de>
Date: Sun, 20 Sep 2015 17:17:26 +0200
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You didn't close your meta output Stream. Your code works if you do this:

         OutputStream osMeta = metadata.createOutputStream();
         new XmpSerializer().serialize(xmp, osMeta, true);
         osMeta.close();


Tilman

Am 20.09.2015 um 15:44 schrieb Vadim Bauer:
> Hello,
>
> I created a minimal test cases that causes the IllegalStateException: "Cannot read while there is an open stream writer" error.
>
> https://issues.apache.org/jira/browse/PDFBOX-2977
>
> Testcase
> https://gist.github.com/Vad1mo/767f52a46e229dcaa5a6
>
>
>
>> Am 18.09.2015 um 20:03 schrieb Tilman Hausherr <THausherr@t-online.de>:
>>
>> PDFBOX-2893 is mostly done, it was already set to resolved until I found a problem with merging, which has been solved. What remains are finding useful names, which John wanted to do.
>>
>> So I'd suggest you open a new issue, and attach a minimal but fully-working test case.
>>
>> Tilman
>>
>> Am 18.09.2015 um 19:40 schrieb Vadim Bauer:
>>> Hello,
>>>
>>>
>>> we get this stacktrace when saving modified PDFs:
>>> Caused by: java.lang.IllegalStateException: Cannot read while there is an open stream writer
>>> at org.apache.pdfbox.cos.COSStream.createRawInputStream(COSStream.java:128)
>>> at org.apache.pdfbox.pdfwriter.COSWriter.visitFromStream(COSWriter.java:1138)
>>> at org.apache.pdfbox.cos.COSStream.accept(COSStream.java:369)
>>> at org.apache.pdfbox.pdfwriter.COSWriter.doWriteObject(COSWriter.java:538)
>>> at org.apache.pdfbox.pdfwriter.COSWriter.doWriteBody(COSWriter.java:450)
>>> at org.apache.pdfbox.pdfwriter.COSWriter.visitFromDocument(COSWriter.java:1039)
>>> at org.apache.pdfbox.cos.COSDocument.accept(COSDocument.java:445)
>>> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1289)
>>> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1190)
>>> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1212)
>>>
>>> There is already an issue in jira but since july it is still WIP in progress so we are looking for a workaround until the issue is fixed.
>>> https://issues.apache.org/jira/browse/PDFBOX-2893
>>>
>>> What we are actually doing is attaching a file to pdf and save it under a new name.
>>>
>>> The error occurs in our case when we set the metadata:
>>> *private* *void* setMetadata(PDDocument doc, AppendParameter appendParameter) *throws* IOException, TransformerException,
>>>          BadFieldValueException {
>>>       Calendar now = Calendar.getInstance();
>>>       PDDocumentCatalog catalog = doc.getDocumentCatalog();
>>>
>>>       PDMetadata metadata = *new* PDMetadata(doc);
>>> //catalog.setMetadata(metadata);
>>>
>>> *new* XmpSerializer().serialize(xmp, metadata.createOutputStream(), *true*);
>>>


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