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Posted to dev@pdfbox.apache.org by "Stephane Lacoin (JIRA)" <ji...@apache.org> on 2011/05/11 18:03:47 UTC
[jira] [Updated] (PDFBOX-1008) NPE warn during text extraction
caused by character encoding not set
[ https://issues.apache.org/jira/browse/PDFBOX-1008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stephane Lacoin updated PDFBOX-1008:
------------------------------------
Attachment: TestPDFEncodingWarn.java
nutcracker.pdf
> NPE warn during text extraction caused by character encoding not set
> --------------------------------------------------------------------
>
> Key: PDFBOX-1008
> URL: https://issues.apache.org/jira/browse/PDFBOX-1008
> Project: PDFBox
> Issue Type: Bug
> Components: Text extraction
> Affects Versions: 1.5.0
> Reporter: Stephane Lacoin
> Priority: Minor
> Attachments: TestPDFEncodingWarn.java, nutcracker.pdf
>
>
> During text extraction, the following NPE stack is printed with a warn level.
> 17:34:58,762 WARN [PDFStreamEngine] java.lang.NullPointerException
> java.lang.NullPointerException
> at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getFontHeight(PDSimpleFont.java:136)
> at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.java:408)
> at org.apache.pdfbox.util.operator.ShowTextGlyph.process(ShowTextGlyph.java:62)
> at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:551)
> at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:274)
> at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:251)
> at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:225)
> at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:442)
> at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:366)
> at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:322)
> at org.apache.pdfbox.util.PDFTextStripper.getText(PDFTextStripper.java:242)
> at org.nuxeo.ecm.core.convert.plugins.tests.TestPDFEncodingWarn.extract(TestPDFEncodingWarn.java:36)
> Digging in the problem, I've found that the encoding field of the true type font was not set during the dictionary load.
> Thread [main] (Suspended (breakpoint at line 113 in PDTrueTypeFont))
> PDTrueTypeFont.<init>(COSDictionary) line: 113
> PDFontFactory.createFont(COSDictionary) line: 116
> PDFontFactory.createFont(COSDictionary, Map) line: 75
> PDResources.getFonts(Map) line: 115
> PDFTextStripper(PDFStreamEngine).processSubStream(PDPage, PDResources, COSStream) line: 243
> PDFTextStripper(PDFStreamEngine).processStream(PDPage, PDResources, COSStream) line: 225
> PDFTextStripper.processPage(PDPage, COSStream) line: 442
> PDFTextStripper.processPages(List<COSObjectable>) line: 366
> PDFTextStripper.writeText(PDDocument, Writer) line: 322
> PDFTextStripper.getText(PDDocument) line: 242
> I've attached the PDF file and test class I've used for reproducing.
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