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https://issues.apache.org/jira/browse/PDFBOX-1019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13040375#comment-13040375
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Hermann Schwärzler commented on PDFBOX-1019:
--------------------------------------------
Some more results of my investigations:
* The error is reproducable on the commanline by downloading
pdfbox-app-1.5.0.jar and the pdf of Petr and running "java -jar
pdfbox-app-1.5.0.jar PDFToImage 256.pdf"
* The error occurs with jdk1.5.0_11, jdk1.6.0_21 and jdk1.6.0_24 BUT DOES NOT
OCCUR WITH OpenJDK (IcedTea6 1.8.7)!
So it seems to be a Sun JAVA problem?
> PDF conversion to image crashes the JVM
> ---------------------------------------
>
> Key: PDFBOX-1019
> URL: https://issues.apache.org/jira/browse/PDFBOX-1019
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 1.5.0
> Environment: Linux Ubuntu, Mac OSX
> Reporter: Petr Knoth
> Priority: Blocker
>
> The file http://tie.open.ac.uk/256.pdf crashes the JVM during conversion to
> jpeg with the following message :
> Assertion failed: (fnum >= 0 && fnum < t->numSubrs), function BuildSubrs,
> file ../../../src/share/native/sun/font/t2k/t1.c, line 3098.
> Java Result: 134
> The error happens in the method convertToImage():
> PDPage page = (PDPage) pages.get(startPage);
> PDPage page = (PDPage) pages.get(0);
> try {
> image = page.convertToImage();
> } catch (IOException ex) {
> Logger.getLogger(PdfIText.class.getName()).log(Level.SEVERE,
> null, ex);
> }
> The problem occurs not for all files, but is critical as it stops my
> webserver (Tomcat) that needs to be then restarted.
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