Kelly H Wilkerson created FOP-3004:
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Summary: Invalid TTC file
Key: FOP-3004
URL: https://issues.apache.org/jira/browse/FOP-3004
Project: FOP
Issue Type: Bug
Components: font/opentype
Affects Versions: trunk
Reporter: Kelly H Wilkerson
Attachments: ttcIssue.diff
A broken TTC on a customer's Windows 10 machine caused a NPE.
{code:java}
org.apache.fop.fonts.truetype.OpenFont.getTTCnames(){code}
returns null (after logging SEVERE: Not a TTC!) and then
{code:java}
org.apache.fop.fonts.autodetect.FontInfoFinder.find()
{code}
doesn't check the result before iterating on it. But a quick null check on
ttcNames fixes the issue. (diff attached.)
Here's the stack trace with the logging right before as well.
{code:java}
WARNING: Unable to load font file:
file:/C:/Windows/servicing/LCU/Package_for_RollupFix~31bf3856ad364e35~amd64~~18362.1016.1.5/amd64_microsoft-windows-ecapp.appxmain_31bf3856ad364e35_10.0.18362.997_none_52b446c91de63187/r/ecmdl2.ttf.
Reason: java.io.EOFException: Reached EOF, file size=52
Mar 10, 2021 5:08:12 PM org.apache.fop.fonts.truetype.OpenFont getTTCnames
SEVERE: Not a TTC!
java.lang.NullPointerException: Cannot invoke "java.util.List.iterator()"
because "ttcNames" is null
at
org.apache.fop.fonts.autodetect.FontInfoFinder.find(FontInfoFinder.java:219)
at org.apache.fop.fonts.FontAdder.add(FontAdder.java:63)
at
org.apache.fop.fonts.FontDetectorFactory$DefaultFontDetector.detect(FontDetectorFactory.java:97)
at
org.apache.fop.fonts.FontManager.autoDetectFonts(FontManager.java:229)
at
org.apache.fop.fonts.DefaultFontConfigurator.configure(DefaultFontConfigurator.java:82)
at
org.apache.fop.render.PrintRendererConfigurator.getCustomFontCollection(PrintRendererConfigurator.java:147)
at
org.apache.fop.render.PrintRendererConfigurator.setupFontInfo(PrintRendererConfigurator.java:127)
at org.apache.fop.render.intermediate.IFUtil.setupFonts(IFUtil.java:170)
at
org.apache.fop.render.intermediate.IFRenderer.setupFontInfo(IFRenderer.java:187)
at org.apache.fop.area.RenderPagesModel.<init>(RenderPagesModel.java:75)
at
org.apache.fop.area.AreaTreeHandler.setupModel(AreaTreeHandler.java:135)
at org.apache.fop.area.AreaTreeHandler.<init>(AreaTreeHandler.java:105)
at
org.apache.fop.render.RendererFactory.createFOEventHandler(RendererFactory.java:363)
at org.apache.fop.fo.FOTreeBuilder.<init>(FOTreeBuilder.java:107)
at org.apache.fop.apps.Fop.createDefaultHandler(Fop.java:104)
at org.apache.fop.apps.Fop.<init>(Fop.java:78)
at org.apache.fop.apps.FOUserAgent.newFop(FOUserAgent.java:184)
at org.apache.fop.apps.FopFactory.newFop(FopFactory.java:242)
{code}
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