[PDFBOX-1331] Can't load any text when font is null

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 1.7.0, 1.8.0
• Fix Version/s: 1.7.1
• Component/s: PDModel
• Environment: JDK 1.6 64bit
• Assignee: Timo Boehme
• Reporter: philip huang
• Created: 06/Jun/12 07:39
• Updated: 25/Jul/12 06:01
• Resolved: 16/Jul/12 16:10

Description

Open 19472133.PDF PdfboxReader without "-nonSeq" parameter.
Turn to page 3, many NullPointerExceptions are displayed, and pdfviewer can't show any text.

java.lang.NullPointerException
at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.java:366)
at org.apache.pdfbox.util.operator.ShowTextGlyph.process(ShowTextGlyph.java:62)
at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:556)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:270)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:246)
at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:217)
at org.apache.pdfbox.pdfviewer.PageDrawer.drawPage(PageDrawer.java:119)
at org.apache.pdfbox.pdfviewer.PDFPagePanel.paint(PDFPagePanel.java:98)
java.util.EmptyStackException
at java.util.Stack.peek(Stack.java:85)
at org.apache.pdfbox.util.PDFStreamEngine.getFonts(PDFStreamEngine.java:601)
at org.apache.pdfbox.util.operator.SetTextFont.process(SetTextFont.java:54)
at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:556)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:270)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:246)
at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:217)
at org.apache.pdfbox.pdfviewer.PageDrawer.drawPage(PageDrawer.java:119)
at org.apache.pdfbox.pdfviewer.PDFPagePanel.paint(PDFPagePanel.java:98)
at javax.swing.JComponent.paintChildren(JComponent.java:862)

Open document with "-nonSeq" parameter

Exception in thread "main" java.io.IOException: Error reading stream using length value. Expected='endstream' actual=''
at org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parseCOSStream(NonSequentialPDFParser.java:1327)
at org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parseObjectDynamically(NonSequentialPDFParser.java:1032)
at org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parseObjectDynamically(NonSequentialPDFParser.java:955)
at org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parseDictObjects(NonSequentialPDFParser.java:929)
at org.apache.pdfbox.pdfparser.NonSequentialPDFParser.initialParse(NonSequentialPDFParser.java:337)
at org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parse(NonSequentialPDFParser.java:574)
at org.apache.pdfbox.pdmodel.PDDocument.loadNonSeq(PDDocument.java:1124)
at org.apache.pdfbox.PDFReader.parseDocument(PDFReader.java:378)
at org.apache.pdfbox.PDFReader.openPDFFile(PDFReader.java:319)
at org.apache.pdfbox.PDFReader.main(PDFReader.java:305)