Hello,
we are using pdfbox version 2.0.28 (awesome library, thanks for that!) and
recently we observed an issue (attached txt). Unfortunately I do not have
the pdf (as this issue happens before the document was saved, so we do not
have the document). However looking at the CmapSubtable.java even in the
latest code (as well as 2.0.28 version), it seems like the condition is not
safe:
private int getCharCode(int gid)
{
if (gid < 0 || glyphIdToCharacterCode == null || gid >=
glyphIdToCharacterCode.length)
{
return -1;
}
return glyphIdToCharacterCode[gid];
}
Exception and the code as well suggests that even if the
glyphIdToCharacterCode is null, it's still possible that
glyphIdToCharacerCode.length gets evaluated. What do you think please?
Best Regards,
Michal Stefan
java.lang.NullPointerException: Cannot read the array length because
"this.glyphIdToCharacterCode" is null
at
org.apache.fontbox.ttf.CmapSubtable.getCharCode(CmapSubtable.java:669)
at
org.apache.fontbox.ttf.CmapSubtable.getCharCodes(CmapSubtable.java:686)
at
org.apache.pdfbox.pdmodel.font.PDType0Font.toUnicode(PDType0Font.java:533)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.showGlyph(PDFStreamEngine.java:838)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.showText(PDFStreamEngine.java:776)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.showTextStrings(PDFStreamEngine.java:681)
at
org.apache.pdfbox.contentstream.operator.text.ShowTextAdjusted.process(ShowTextAdjusted.java:53)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:966)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:541)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:516)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:155)
at
org.apache.pdfbox.text.LegacyPDFStreamEngine.processPage(LegacyPDFStreamEngine.java:155)
at
org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:363)
at
org.apache.pdfbox.text.PDFTextStripper.processPages(PDFTextStripper.java:291)
at
org.apache.pdfbox.text.PDFTextStripper.writeText(PDFTextStripper.java:238)
at
org.apache.pdfbox.text.PDFTextStripper.getText(PDFTextStripper.java:202)
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