RFR 8174725: JVM should throw ClassDefNotFoundError if ACC_MODULE is set in access_flags

Alan Bateman Alan.Bateman at oracle.com
Tue Feb 14 15:32:22 UTC 2017

On 14/02/2017 14:52, harold seigel wrote:
> Hi,
> Please review this small change to throw a NoClassDefFoundError 
> exception, for class file versions >= 53, if a class's access_flags 
> have ACC_MODULE set.  This behavior will be required in the upcoming 
> JVM-9 Spec.
> Open Web: 
> http://cr.openjdk.java.net/~hseigel/bug_8174725/webrev/index.html
> JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8174725
> The fix was tested with JPRT, the hotspot, java/lang, java/util, 
> java/io, JFR, and other JTReg tests, the JCK lang and VM tests, RBT 
> tier2 - tier5 tests on LinuxX64, and the colocated and non-colocated 
> NSK tests.
This looks okay to me although I think I would name the test case 
"BadAccModule" rather than "badAccModule" as it's a bit unusual to have 
a class name starting with a lower case letter.


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