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https://issues.apache.org/jira/browse/PDFBOX-808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12906049#action_12906049
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Martin Hilpert commented on PDFBOX-808:
---------------------------------------
Ehm, you just exchanged
while( (amountRead = read( data, totalAmountRead,
numberOfBytes-totalAmountRead ) ) != -1 && totalAmountRead < numberOfBytes )
{
totalAmountRead += amountRead;
with
while(totalAmountRead < numberOfBytes && (amountRead = read( data,
totalAmountRead, numberOfBytes-totalAmountRead ) ) != -1 )
{
totalAmountRead += amountRead;
How should this change anything? This is a boolean AND operation so both
operands need to be true. And even though "amountRead" might be changed, this
doesn't change anything for the whole loop condition. Can you supply a current
JAR so that I can test it? (Then I don't have to go through the process of
learning how to check the source out, compile it hopefully without erros.)
> PDTrueTypeFont.loadTTF() freezes (at TTFDataStream.java:195)
> ------------------------------------------------------------
>
> Key: PDFBOX-808
> URL: https://issues.apache.org/jira/browse/PDFBOX-808
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox
> Affects Versions: 1.2.1
> Environment: PDFBox 1.2.1, JDK 1.6.0_21, Windows XP 32 Bit.
> Reporter: Martin Hilpert
> Assignee: Jukka Zitting
> Priority: Critical
> Fix For: 1.3.0
>
>
> 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.
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