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From "Henri Yandell (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (LANG-710) StringIndexOutOfBoundsException when calling unescapeHtml4("&#03")
Date Sun, 03 Jul 2011 07:58:21 GMT

     [ https://issues.apache.org/jira/browse/LANG-710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Henri Yandell closed LANG-710.
------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 3.x)
                   3.0

Thanks Benjamin.

I've fixed this in trunk - it would be very appreciated if you could confirm this works for
you.

svn ci -m "Adding tests and resolving LANG-710, reported by Benjamin Valentin. Note that this
changed such that the code will now escape an unfinished entity (i.e. &#030). This matches
browser behaviour. "
Sending        src/main/java/org/apache/commons/lang3/text/translate/NumericEntityUnescaper.java
Sending        src/test/java/org/apache/commons/lang3/text/translate/NumericEntityUnescaperTest.java
Transmitting file data ..
Committed revision 1142389.



> StringIndexOutOfBoundsException when calling unescapeHtml4("&#03")
> ------------------------------------------------------------------
>
>                 Key: LANG-710
>                 URL: https://issues.apache.org/jira/browse/LANG-710
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.*
>    Affects Versions: 3.0
>         Environment: java version "1.6.0_24"
> Java(TM) SE Runtime Environment (build 1.6.0_24-b07)
> Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02, mixed mode)
>            Reporter: Benjamin Valentin
>            Priority: Minor
>              Labels: StringEscapeUtils, StringUtils
>             Fix For: 3.0
>
>
> When calling unescapeHtml4() on the String "&#03" (or any String that contains these
characters) an Exception is thrown:
> Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out
of range: 4
> 	at java.lang.String.charAt(String.java:686)
> 	at org.apache.commons.lang3.text.translate.NumericEntityUnescaper.translate(NumericEntityUnescaper.java:49)
> 	at org.apache.commons.lang3.text.translate.AggregateTranslator.translate(AggregateTranslator.java:53)
> 	at org.apache.commons.lang3.text.translate.CharSequenceTranslator.translate(CharSequenceTranslator.java:88)
> 	at org.apache.commons.lang3.text.translate.CharSequenceTranslator.translate(CharSequenceTranslator.java:60)
> 	at org.apache.commons.lang3.StringEscapeUtils.unescapeHtml4(StringEscapeUtils.java:351)

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