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From "Sebb (JIRA)" <>
Subject [jira] [Commented] (LANG-744) StringUtils throws on Google App Engine
Date Thu, 01 Sep 2011 10:02:09 GMT


Sebb commented on LANG-744:

The message will be thrown even if the sun method is not needed; that does not seem right.

If the sun method is unavailable, the code that conditionally calls it throws UnsupportedOperationException:

"The stripAccents(CharSequence) method requires at least Java 1.6 or a Sun JVM");

We could record the Exception in the static block, and add it as the cause for the UOE.
It would then only appear when necessary.

> StringUtils throws on Google App Engine
> ----------------------------------------------------------------------------
>                 Key: LANG-744
>                 URL:
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.*
>    Affects Versions: 3.0.1
>         Environment: Google App Engine
>            Reporter: Clément Denis
>             Fix For: 3.0.2
> In the static initializer of org.apache.commons.lang3.StringUtils, there is an attempt
to load the class sun.text.Normalizer.
> Such a class is prohibited on Google App Engine, and the static intializer throws a
> {code}
> Caused by: access denied (java.lang.RuntimePermission
> 	at
> 	at
> 	at java.lang.SecurityManager.checkPermission(
> 	at$CustomSecurityManager.checkPermission(
> 	at java.lang.SecurityManager.checkPackageAccess(
> 	at java.lang.Class.checkMemberAccess(
> 	at java.lang.Class.getMethod(
> 	at org.apache.commons.lang3.StringUtils.<clinit>(
> {code}
> The exception should be caught in the catch clauses around loadClass("sun.text.Normalizer").
> Commons lang 2 worked fine on GAE.

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