Can't get lambda forest to work

[Andrew Haley]

On 06/14/2010 04:40 PM, Jonathan Gibbons wrote:
> The error message says to use -XX:+EnableInvokeDynamic

Is invokedynamic being used by this example?
Anyway, that doesn't help:

happy:~ $ /local/lambda/build/linux-amd64/j2sdk-image/bin/java  -XX:+UnlockExperimentalVMOptions -XX:+EnableMethodHandles -XX:+EnableInvokeDynamic -cp . Closures
Invalid layout of java.dyn.CallSite at target
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (javaClasses.cpp:48), pid=10544, tid=140152714426128
#  fatal error: Invalid layout of preloaded class
#
# JRE version: 7.0
# Java VM: OpenJDK 64-Bit Server VM (19.0-b01 mixed mode linux-amd64 )
# An error report file with more information is saved as:
# /home/aph/hs_err_pid10544.log
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
#
Aborted



> -- Jon
> 
> 
> On 06/14/2010 08:25 AM, Andrew Haley wrote:
>> This is rev 179:d923ba684bc4 of http://hg.openjdk.java.net/lambda/lambda
>>
>> It doesn't seem to work.  I compile
>>
>> public class Closures
>> {
>>    public static void main(String[] args)
>>    {
>>      #int() fortyTwo = #()(42);
>>
>>      System.out.println("Hello, World!" + fortyTwo.());
>>    }
>> }
>>
>> but it doesn't run:
>>
>> happy:~ $ /local/lambda/build/linux-amd64/j2sdk-image/bin/javac -XDallowFunctionTypes -source 7 Closures.java
>> happy:~ $ /local/lambda/build/linux-amd64/j2sdk-image/bin/java  -XX:+UnlockExperimentalVMOptions -XX:+EnableMethodHandles  -cp . Closures
>> OpenJDK 64-Bit Server VM warning: JSR 292 invokedynamic is disabled in this JVM.  Use -XX:+UnlockExperimentalVMOptions -XX:+EnableInvokeDynamic to enable.
>> Exception in thread "main" java.dyn.NoAccessException: cannot access: *.java.dyn.MethodHandle.invoke()int
>>          at sun.dyn.MemberName.newNoAccessException(MemberName.java:421)
>>          at sun.dyn.MemberName.newNoAccessException(MemberName.java:412)
>>          at sun.dyn.MemberName$Factory.resolveOrFail(MemberName.java:517)
>>          at java.dyn.MethodHandles$Lookup.findVirtual(MethodHandles.java:268)
>>          at sun.dyn.Invokers.exactInvoker(Invokers.java:66)
>>          at sun.dyn.Invokers.genericInvoker(Invokers.java:74)
>>          at java.dyn.MethodHandle.invokeVarargs(MethodHandle.java:354)
>>          at Closures.main(Closures.java:7)
>> happy:~ $ /local/lambda/build/linux-amd64/j2sdk-image/bin/java -version
>> openjdk version "1.7.0-internal"
>> OpenJDK Runtime Environment (build 1.7.0-internal-aph_2010_06_10_17_35-b00)
>> OpenJDK 64-Bit Server VM (build 19.0-b01, mixed mode)
>>
>> Any ideas what might be going wrong, please?
>>
>> Thanks,
>> Andrew.
>>
>>
>>    
> 
>