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[jdt-core-dev] Lambda-Compilation fails on b105
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Hi,
After having managed to build BETA8 using CBI I see that Lambdas are
compiled in a way that they don't work with the latest java8 builds.
Running this app:
> import java.util.Arrays;
> import java.util.List;
>
> public class LamdaTest {
> public static void main(String[] args) {
> List<String> collection = Arrays.asList("A","B","C");
> collection.forEach((s) -> System.out.println(s));
> }
> }
fails with
> Exception in thread "main" java.lang.IncompatibleClassChangeError
> at java.lang.invoke.MethodHandleNatives.linkMethodHandleConstant(MethodHandleNatives.java:383)
> at LamdaTest.main(LamdaTest.java:8)
> Caused by: java.lang.NoSuchMethodException: no such method: java.lang.invoke.LambdaMetafactory.metaFactory(Lookup,String,MethodType,MethodHandle,MethodHandle,MethodType)CallSite/invokeStatic
> at java.lang.invoke.MemberName.makeAccessException(MemberName.java:765)
> at java.lang.invoke.MemberName$Factory.resolveOrFail(MemberName.java:882)
> at java.lang.invoke.MethodHandles$Lookup.resolveOrFail(MethodHandles.java:1019)
> at java.lang.invoke.MethodHandles$Lookup.linkMethodHandleConstant(MethodHandles.java:1284)
> at java.lang.invoke.MethodHandleNatives.linkMethodHandleConstant(MethodHandleNatives.java:381)
> ... 1 more
> Caused by: java.lang.NoSuchMethodError: java.lang.invoke.LambdaMetafactory.metaFactory(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
> at java.lang.invoke.MethodHandleNatives.resolve(Native Method)
> at java.lang.invoke.MemberName$Factory.resolve(MemberName.java:854)
> at java.lang.invoke.MemberName$Factory.resolveOrFail(MemberName.java:879)
> ... 4 more
It looks like the signature of LambdaMetafactory.metaFactory changed to
Lookup,String,MethodType,MethodType,MethodHandle,MethodType
and you generate
Lookup,String,MethodType,MethodHandle,MethodHandle,MethodType
Tom
