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https://issues.apache.org/jira/browse/GROOVY-8494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Paul King updated GROOVY-8494:
------------------------------
    Affects Version/s: 2.4.12

> CLONE - Calling Stream.of from groovy class in JDK 9 fails
> ----------------------------------------------------------
>
>                 Key: GROOVY-8494
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8494
>             Project: Groovy
>          Issue Type: Bug
>          Components: groovy-runtime
>    Affects Versions: 2.4.12, 2.4.13, 2.4.14
>            Reporter: Marcus Nylander
>            Priority: Major
>
> Trying to call Stream.of from groovy class (groovy version 2.4.12) using JDK 
> 9 (jdk 9 181) fails. 
> Example:
> {code}
> package test
> import java.util.stream.Stream
> class B {
>     static void main(String[] args) {
>         Stream.of("1").forEach({ println(it) })
>     }
> }
> {code}
> The code above fails with:
> Exception in thread "main" java.lang.IncompatibleClassChangeError: Method 
> java.util.stream.Stream.of(Ljava/lang/Object;)Ljava/util/stream/Stream; must 
> be InterfaceMethodref constant
>       at java_util_stream_Stream$of.call(Unknown Source)
>       at 
> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
>       at 
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
>       at 
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
>       at test.B.main(B.groovy:7)
> The same occurs for other interface static methods also:
> {code}
> public interface D {
>     static D of(String s) {
>         return new D() {
>         };
>     }
> }
> class C {
>     static void main(String[] args) {
>         D.of("1")
>     }
> }
> {code}
> Also fails with:
> Exception in thread "main" java.lang.IncompatibleClassChangeError: Method 
> test.D.of(Ljava/lang/String;)Ltest/D; must be InterfaceMethodref constant
>       at test.D$of.call(Unknown Source)
>       at 
> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
>       at 
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
>       at 
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
>       at test.C.main(C.groovy:7)
> Running with JDK 8 works fine.



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