james created PDFBOX-6146:
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Summary: OutOfMemoryError when trying to extract text from pdf
Key: PDFBOX-6146
URL: https://issues.apache.org/jira/browse/PDFBOX-6146
Project: PDFBox
Issue Type: Bug
Affects Versions: 3.0.6 PDFBox
Environment: java 17. macos 26.2
Reporter: james
I have a pdf file which causes an OutOfMemory error when trying to extract the
text. Unfortunately, the file is a customer file which i cannot share. I am
willing to work with someone, however, on debugging the issue. Before it fails
with OOME, i get the following errors:
{{16:45:23.418 [main] ERROR o.a.f.ttf.GlyphSubstitutionTable -
scriptOffsets[1680]: 10084 implausible: data.getCurrentPosition() - offset =
10088 ()}}
{{16:45:23.419 [main] WARN o.a.f.ttf.GlyphSubstitutionTable - FeatureRecord
array not alphabetically sorted by FeatureTag: S»d» < »d»c ()}}
I've tried allocating up to 6gb to the extraction process without any success.
I can open the pdf file with the macos preview without any issues.
The relevant stack trace is:
{{{}java.lang.OutOfMemoryError: Java heap spaceat
org.apache.fontbox.ttf.GlyphSubstitutionTable.readLookupTable(GlyphSubstitutionTable.java:341)at
org.apache.fontbox.ttf.GlyphSubstitutionTable.readLookupList(GlyphSubstitutionTable.java:292)at
org.apache.fontbox.ttf.GlyphSubstitutionTable.read(GlyphSubstitutionTable.java:115)at
org.apache.fontbox.ttf.TrueTypeFont.readTable(TrueTypeFont.java:409)at
org.apache.fontbox.ttf.TTFParser.parseTables(TTFParser.java:186)at
org.apache.fontbox.ttf.TTFParser.parse(TTFParser.java:165)at
org.apache.fontbox.ttf.TTFParser.parse(TTFParser.java:66)at
org.apache.pdfbox.pdmodel.font.PDCIDFontType2.<init>(PDCIDFontType2.java:123)at
org.apache.pdfbox.pdmodel.font.PDCIDFontType2.<init>(PDCIDFontType2.java:72)at
org.apache.pdfbox.pdmodel.font.PDFontFactory.createDescendantFont(PDFontFactory.java:385)at
org.apache.pdfbox.pdmodel.font.PDType0Font.<init>(PDType0Font.java:97)at
org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:173)at
org.apache.pdfbox.pdmodel.PDResources.getFont(PDResources.java:170)at
org.apache.pdfbox.contentstream.operator.text.SetFontAndSize.process(SetFontAndSize.java:72)at
org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:926)at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:559)at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:517){}}}{{{}at
org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:158){}}}{{{}at
org.apache.pdfbox.text.LegacyPDFStreamEngine.processPage(LegacyPDFStreamEngine.java:153){}}}{{{}at
org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:380){}}}
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