JavaOne meet-up?

[Rémi Forax]

Le 25/09/2010 12:35, Christian Thalinger a écrit :
> On Sat, 2010-09-25 at 10:04 +0200, Hannes Wallnoefer wrote:
>    
>> 2010/9/24 John Rose<john.r.rose at oracle.com>:
>>      
>>> On Sep 24, 2010, at 11:57 AM, Hannes Wallnoefer wrote:
>>>
>>>        
>>>> Can I simply use the latest official JDK7 beta build? I'm on x86
>>>> Linux. Any help is greatly appreciated!
>>>>          
>>> In general, the JDK7 beta builds are not far behind the mlvm patch set, for JSR 292 work.  (By "not far" I mean a matter of several weeks.)  And since the API is stabilizing, any remaining differences will matter less over time.
>>>
>>> So, yes, the official JDK7 build is a good version to work with.
>>>        
>> Thanks! Glad I can skip the build, it looked somewhat daunting.
>>      
> Please let me know when you hit any issues.  I'm currently in bug-fixing
> mode.
>    

Hi Christian,
good to know :)

The JVM (jdk7b111) crashes with this error:
#  Internal Error (javaCalls.cpp:37), pid=16939, tid=6716272
#  guarantee(!thread->is_Compiler_thread()) failed: cannot make java 
calls from the compiler

It seems there is an upcall to Java when JITing,
the full error log is available in the attached zip file.

Step to reproduce, uncompress the src.zip files and run in src:
java -XX:+UnlockExperimentalVMOptions -XX:+EnableInvokeDynamic Main

The Main.class uses the new LDC MethodHandle, but I'm not sure it's the 
cause
of this error.
If you want to recompile something, you need to get the latest java 
compiler from
the lambda workspace with a one line patch that enables function types.
I can send you the jar, if you want it.

> -- Christian
>    

Rémi
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