[PDFBOX-808] PDTrueTypeFont.loadTTF() freezes (at TTFDataStream.java:195)

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.2.1
• Fix Version/s: 1.3.1
• Component/s: FontBox
• Environment: PDFBox 1.2.1, JDK 1.6.0_21, Windows XP 32 Bit.
• Assignee: Jukka Zitting
• Reporter: MH
• Created: 01/Sep/10 11:05
• Updated: 26/Oct/10 09:34
• Resolved: 03/Sep/10 12:31

Description

Sometimes (not always), my app "freezes". When I look into jVisualVM thread dump, I see this stack trace:

java.lang.Thread.State: RUNNABLE
at org.apache.fontbox.ttf.TTFDataStream.read(TTFDataStream.java:195)
at org.apache.fontbox.ttf.TTFDataStream.readString(TTFDataStream.java:69)
at org.apache.fontbox.ttf.TTFDataStream.readString(TTFDataStream.java:57)
at org.apache.fontbox.ttf.PostScriptTable.initData(PostScriptTable.java:104)
at org.apache.fontbox.ttf.TTFParser.parseTTF(TTFParser.java:140)
at org.apache.fontbox.ttf.TTFParser.parseTTF(TTFParser.java:87)
at org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.loadDescriptorDictionary(PDTrueTypeFont.java:206)
at org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.loadTTF(PDTrueTypeFont.java:167)
at org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.loadTTF(PDTrueTypeFont.java:143)
at org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.loadTTF(PDTrueTypeFont.java:130)

It never returns and blocks the application from continuing. This hapend several times now every few hours.