[PDFBOX-5465] NullPointerException in CmapSubtable.getCharCode

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.25, 2.0.26
• Fix Version/s: 2.0.27, 3.0.0 PDFBox
• Component/s: FontBox
• Assignee: Tilman Hausherr
• Reporter: Alban
• Created: 27/Jun/22 12:07
• Updated: 22/Jan/24 13:13
• Resolved: 31/Aug/22 03:05

Description

Hi,

I got a NPE in the getCharCode method of CmapSubtable :

java.lang.NullPointerException: null
 at org.apache.fontbox.ttf.CmapSubtable.getCharCode(CmapSubtable.java:669) ~[fontbox-2.0.25.jar!/:2.0.25]
 at org.apache.fontbox.ttf.CmapSubtable.getCharCodes(CmapSubtable.java:686) ~[fontbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.pdmodel.font.PDType0Font.toUnicode(PDType0Font.java:528) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.contentstream.PDFStreamEngine.showGlyph(PDFStreamEngine.java:811) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.contentstream.PDFStreamEngine.showText(PDFStreamEngine.java:749) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.contentstream.PDFStreamEngine.showTextString(PDFStreamEngine.java:608) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.contentstream.operator.text.ShowText.process(ShowText.java:56) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:939) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:514) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:492) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:155) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.text.LegacyPDFStreamEngine.processPage(LegacyPDFStreamEngine.java:155) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:363) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.text.PDFTextStripper.processPages(PDFTextStripper.java:291) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.text.PDFTextStripper.writeText(PDFTextStripper.java:238) ~[pdfbox-2.0.25.jar!/:2.0.25]
 at org.apache.pdfbox.text.PDFTextStripper.getText(PDFTextStripper.java:202) ~[pdfbox-2.0.25.jar!/:2.0.25]

 

-> It seems, in some cases the glyphIdToCharacterCode array is not instantiated.

Sorry, but for privacy reason I can't share the PDF which cause this issue.

Issue Links

• is duplicated by: PDFBOX-5755 NullPointerException in CmapSubtable