NPE in InstrumentationImpl.transform()

[Andrew Dinn]

On 05/05/16 16:06, Alan Bateman wrote:
>> Loading classes from the unnamed boot module (for instance an agent)
>> causes:
>> *** java.lang.instrument ASSERTION FAILED ***: "!errorOutstanding"
>> with message transform method call failed at JPLISAgent.c line: 884
>>
>> Due to trying to dereference the null-loader in
>> sun.instrument.InstrumentationImpl:439
>> module = loader.getUnnamedModule();
> Thanks for the bug report, this is regression in JDK 9. I suspect we
> don't have tests that exercise this with classes added to the boot
> loader with -Xbootclasspath/a. I've created JDK-8156147 [1] to track it.
> 
> -Alan
> 
> [1] https://bugs.openjdk.java.net/browse/JDK-8156147

Ah, pre-empted! I was just about to report that I see this with Byteman
when I hoist the Byteman classes into the bootstrap and don't see it
when I leave them in the system classpath.

I will be happy to validate any fix.

regards,


Andrew Dinn
-----------
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