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Subject: Re: TeamCity back on track
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From: Jochen Theodorou <blackdrag@gmx.org>
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Date: Sun, 18 Sep 2016 21:14:51 +0200
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archived-at: Sun, 18 Sep 2016 19:14:59 -0000

On 18.09.2016 15:03, Remi Forax wrote:
>
>
> ------------------------------------------------------------------------
>
>     *De: *"Cédric Champeau" <cedric.champeau@gmail.com>
>     *À: *dev@groovy.apache.org
>     *Envoyé: *Dimanche 18 Septembre 2016 14:39:30
>     *Objet: *Re: TeamCity back on track
>
>     I can confirm this is a new error. Gradle 3.0 works with b119, but
>     not b136. And from what I can see, this is *not* going to be trivial
>     to fix. Best I could get now is:
>     Caused by: java.lang.IllegalAccessException: class
>     org.gradle.internal.reflect.JavaMethod cannot access a member of
>     class java.lang.ClassLoader (in module java.base) with modifiers
>     "protected"
>              at
>     java.base/jdk.internal.reflect.Reflection.throwIllegalAccessException(Reflection.java:405)
>              at
>     java.base/jdk.internal.reflect.Reflection.throwIllegalAccessException(Reflection.java:396)
>              at
>     java.base/jdk.internal.reflect.Reflection.ensureMemberAccess(Reflection.java:98)
>              at
>     java.base/java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:359)
>              at
>     java.base/java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:351)
>              at java.base/java.lang.reflect.Method.invoke(Method.java:529)
>              at
>     org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:77)
>
>     Which is f* annoying.
[...]
> This one is a new bug/feature,
> it's part of what we have called 'stronger' (not strong) encapsulation
> i.e. most of the classes of java.* disallow setAccessible, before that
> only internal packages were disallowing setAccessible.

so setAccessible is forbidden, but a subclass from a different module 
can access the method... strange new rules. Anyway... was there a thread 
on jigsaw-dev about this? I would like to reread the proposal

> For your specific bug, you can use ClassLoader.getDefinedPackages() or
> classloader.getUnamedModule().getPackages() instead.

of course with the disadvantage that these are JDK9 only methods.

bye Jochen