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

harold seigel harold.seigel at oracle.com
Tue Feb 14 15:46:09 UTC 2017

Thanks Alan.

I'll rename the class.  I also need to add 'return' statements after the 
fthrow() calls that I added.


On 2/14/2017 10:32 AM, Alan Bateman wrote:
> 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.
> -Alan

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