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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2019/06/26 06:42:00 UTC

[jira] [Commented] (PDFBOX-4580) PDFTextStripper::getText() lead to OutOfMemoryError: Java heap space

    [ https://issues.apache.org/jira/browse/PDFBOX-4580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16872993#comment-16872993 ] 

Tilman Hausherr commented on PDFBOX-4580:
-----------------------------------------

Using the trunk, with -Xmx1g I also get an OOM, with -Xmx2g I get
{noformat}
java.lang.IllegalArgumentException: The expected SubstFormat for LigatureSubstitutionTable is 1
    org.apache.fontbox.ttf.GlyphSubstitutionTable.readLigatureSubstitutionSubtable(GlyphSubstitutionTable.java:326)
    org.apache.fontbox.ttf.GlyphSubstitutionTable.readLookupTable(GlyphSubstitutionTable.java:277)
    org.apache.fontbox.ttf.GlyphSubstitutionTable.readLookupList(GlyphSubstitutionTable.java:239)
    org.apache.fontbox.ttf.GlyphSubstitutionTable.read(GlyphSubstitutionTable.java:103)
    org.apache.fontbox.ttf.TrueTypeFont.readTable(TrueTypeFont.java:377)
    org.apache.fontbox.ttf.TTFParser.parseTables(TTFParser.java:173)
    org.apache.fontbox.ttf.TTFParser.parse(TTFParser.java:150)
    org.apache.fontbox.ttf.TTFParser.parse(TTFParser.java:106)
    org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.<init>(PDTrueTypeFont.java:108)
    org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:89)
{noformat}
But it works fine with -Xmx1g with 2.0.16.

> PDFTextStripper::getText() lead to OutOfMemoryError: Java heap space
> --------------------------------------------------------------------
>
>                 Key: PDFBOX-4580
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4580
>             Project: PDFBox
>          Issue Type: Bug
>    Affects Versions: 2.0.15
>            Reporter: Guilhermo
>            Assignee: Andreas Lehmkühler
>            Priority: Major
>         Attachments: ceh.pdf
>
>
> I just discovered a memory issue (Java heap space) that happen only if we try to use stripper.getText(pdfFile) on a pdf that has missing incorporated fonts (like the one in attachment).
>  
> To replicate the issue you can use this snippet with the pdf file in attachment:
>  
> {code:java}
> import org.apache.pdfbox.pdmodel.PDDocument;
> import org.apache.pdfbox.text.PDFTextStripper;
> import java.io.IOException;
> import java.io.InputStream;
> public class OutOfMemoryExample {
>     public static void main(String[] args) throws IOException {
>         try(InputStream docStream = Thread.currentThread().getContextClassLoader().getResource("ceh.pdf").openStream();
>             PDDocument cd = PDDocument.load(docStream)){
>             PDFTextStripper stripper = new PDFTextStripper();
>             
>             // OutOfMemory here
>             String  pdfText = stripper.getText(cd);
>             System.out.println(pdfText);
>         }
>     }
> }
> {code}



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