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ArrayIndexOutOfBoundsException when utf8 string matched against regexp with with word boundary \b #3397

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kml opened this issue Oct 15, 2015 · 6 comments
Closed

ArrayIndexOutOfBoundsException when utf8 string matched against regexp with with word boundary \b #3397

kml opened this issue Oct 15, 2015 · 6 comments
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JRuby 9.0.3.0

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@kml
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kml commented Oct 15, 2015 

> p = "x".force_encoding("utf-8"); p.match(/x.*\b/)
Java::JavaLang::ArrayIndexOutOfBoundsException: 1
    from org.jcodings.specific.UTF8Encoding.length(UTF8Encoding.java:35)
    from org.jcodings.specific.BaseUTF8Encoding.mbcToCode(BaseUTF8Encoding.java:91)
    from org.jcodings.specific.UTF8Encoding.mbcToCode(UTF8Encoding.java:24)
    from org.jcodings.Encoding.isMbcWord(Encoding.java:469)
    from org.joni.ByteCodeMachine.opWordBound(ByteCodeMachine.java:1054)
    from org.joni.ByteCodeMachine.matchAt(ByteCodeMachine.java:239)
    from org.joni.Matcher.matchCheck(Matcher.java:304)
?> p = "x".bytes.to_a.pack('c*').force_encoding("utf-8"); p.match(/x.*\b/)
=> nil
@lopex
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lopex commented Oct 15, 2015

Fixed in 5a13be3

@lopex lopex closed this as completed Oct 15, 2015
@kml
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kml commented Oct 16, 2015

Thanks for fixing. How can I get link to commit?
It would be very helpfull if this could get to next 1.7 release also.

@kml
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kml commented Oct 16, 2015

jruby/joni@5a13be3
jruby/joni@3df990a

kml referenced this issue in jruby/joni Oct 16, 2015
@lopex
fix for word bounds
5a13be3
@enebo enebo added this to the JRuby 9.0.3.0 milestone Oct 21, 2015
@Xanthus
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Xanthus commented Jan 13, 2016

Is this going to make it into the next 1.7 release?

@enebo
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enebo commented Jan 13, 2016

@Xanthus @kml This will be in the next 1.7 release this week. I just updated our companion projects which contained the fixes.

@Xanthus
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Xanthus commented Jan 14, 2016

Great stuff, thanks!
On Wed, 13 Jan 2016 at 23:30, Thomas E Enebo notifications@github.com
wrote:

@Xanthus https://github.com/Xanthus @kml https://github.com/kml This
will be in the next 1.7 release this week. I just updated our companion
projects which contained the fixes.

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Reply to this email directly or view it on GitHub
#3397 (comment).

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@enebo @kml @lopex @Xanthus