Rémi Forax schrieb:
> Le 09/09/2009 20:42, Jochen Theodorou a écrit :
>> hi all,
>>
>> I am in urgend need of an actual VM with MethodHandles, but this is as
>> always quuite complicated. This time I created a chroot envrionment for
>> 32 bit, that was where I last time had to stop. I managed to get it
>> compiled by the patch that was provided here 5 months ago and finally
>> had a VM to run. So I did:
>>
>> davinci/sources/jdk/build/linux-i586/bin/java
>> -XX:+UnlockExperimentalVMOptions -XX:+EnableMethodHandles
>> -XX:+EnableInvokeDynamic FidgetDemo
>>
>> and got:
>>
>>> #
>>> # A fatal error has been detected by the Java Runtime Environment:
>>> #
>>> # Internal Error (methodHandles.cpp:98), pid=8548, tid=4149795728
>>> # Error: guarantee(z&& EnableMethodHandles,"can only enable once, and
>>> only if -XX:+EnableMethodHandles")
>>> #
>>> # JRE version: 7.0
>>> # Java VM: OpenJDK Client VM (16.0-b08 mixed mode linux-x86 )
>>> # An error report file with more information is saved as:
>>> # /tmp/t/hs_err_pid8548.log
>>> #
>>> # If you would like to submit a bug report, please visit:
>>> # http://java.sun.com/webapps/bugreport/crash.jsp
>>> # The crash happened outside the Java Virtual Machine in native code.
>>> # See problematic frame for where to report the bug.
>>> #
>>> Aborted
>>>
>> No idea why this fails like this. What I now need is either a workaround
>> for this problem here, or a running JVM with method handles that I can
>> download somewhere. As long as it is linux it should be fine, whatever
>> it is.
>>
>> Who can help me here?
>>
>
> Hi jochen,
> just try to remove -XX:+EnableMethodHandles.
>
> This line works for me:
>
> davinci/sources/jdk/build/linux-i586/bin/java
> -XX:+UnlockExperimentalVMOptions -XX:+EnableInvokeDynamic FidgetDemo
java -XX:+UnlockExperimentalVMOptions -XX:+EnableMethodHandles FidgetDemo
OpenJDK Server VM warning: JSR 292 invokedynamic is disabled in this
JVM. Use -XX:+EnableInvokeDynamic to enable.
Fidgety self-modifying call site...
--- loop #0
Exception in thread "main" java.lang.IncompatibleClassChangeError
at FidgetDemo.main(FidgetDemo.java:13)
doesn't look good
bye Jochen
--
Jochen "blackdrag" Theodorou
The Groovy Project Tech Lead (http://groovy.codehaus.org)
http://blackdragsview.blogspot.com/
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