Peter Burka created GROOVY-10201:
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Summary: JDK 17: class String1_groovyProxy cannot implement sealed
interface java.lang.constant.ConstantDesc
Key: GROOVY-10201
URL: https://issues.apache.org/jira/browse/GROOVY-10201
Project: Groovy
Issue Type: Bug
Affects Versions: 3.0.9
Reporter: Peter Burka
Doing early testing of some Groovy applications on Java 17 (ea31), and I'm
encountering some exceptions like the following in unit tests. I'm testing on
the 3.0.9 branch since 3.0.8 can't compile many of our Groovy classes against
Java 17.
{code:java}
java.lang.IncompatibleClassChangeError: class String1_groovyProxy cannot
implement sealed interface java.lang.constant.ConstantDesc
java.base/java.lang.ClassLoader.defineClass1(Native Method)
java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012)
java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:874)
org.codehaus.groovy.runtime.ProxyGeneratorAdapter$InnerLoader.defineClass(ProxyGeneratorAdapter.java:847)
org.codehaus.groovy.runtime.ProxyGeneratorAdapter.<init>(ProxyGeneratorAdapter.java:192)
groovy.util.ProxyGenerator.lambda$createAdapter$0(ProxyGenerator.java:234)
org.apache.groovy.util.concurrent.concurrentlinkedhashmap.ConcurrentLinkedHashMap.lambda$compute$0(ConcurrentLinkedHashMap.java:788)
java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1708)
org.apache.groovy.util.concurrent.concurrentlinkedhashmap.ConcurrentLinkedHashMap.compute(ConcurrentLinkedHashMap.java:800)
org.apache.groovy.util.concurrent.concurrentlinkedhashmap.ConcurrentLinkedHashMap.computeIfAbsent(ConcurrentLinkedHashMap.java:777)
org.codehaus.groovy.runtime.memoize.LRUCache.getAndPut(LRUCache.java:63)
groovy.util.ProxyGenerator.createAdapter(ProxyGenerator.java:230)
groovy.util.ProxyGenerator.instantiateDelegateWithBaseClass(ProxyGenerator.java:205)
groovy.util.ProxyGenerator.instantiateDelegateWithBaseClass(ProxyGenerator.java:189)
groovy.util.ProxyGenerator.instantiateDelegate(ProxyGenerator.java:181)
groovy.util.ProxyGenerator.instantiateDelegate(ProxyGenerator.java:177)
org.codehaus.groovy.runtime.DefaultGroovyMethods.asType(DefaultGroovyMethods.java:17910)
org.codehaus.groovy.runtime.StringGroovyMethods.asType(StringGroovyMethods.java:208)
org.codehaus.groovy.runtime.dgm$1158.doMethodInvoke(Unknown Source)
groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1268)
{code}
I haven't tried to create a simple reproducer, but am happy to try to do so if
the problem isn't already known or obvious.
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