Description
EnumSet.of() has 6 overloaded variants, the one with varargs is throwing GroovyRuntimeException, claiming it can not find a proper constructor. But it is working for jdk 8 with any Groovy version: 2.4, 2.5, 3.0 and 4.0, broken for jdk 11 and 17 with 2.5 and 3.0 and working fine for groovy 4.0 with any jdk.
It is a runtime exception and the code needs to access the field:
package test enum Test1 { ONE, TWO, THREE, FOUR, FIVE, SIX public static EnumSet<Test1> test1 = EnumSet.of(ONE, TWO, THREE, FOUR, FIVE, SIX) //public static EnumSet<Test1> test2 = EnumSet.of(ONE, TWO, THREE, FOUR) + EnumSet.of(FIVE, SIX) // workaround to not use varargs, works for any combinations } class Application { static void main(String[] args) { Test1.test1 } }
It was working fine in groovy 2.4 and all groovy version using jdk 8. But in groovy 2.5 and 3.0, using JDK 11 and 17 it is throwing an exception:
Exception in thread "main" java.lang.ExceptionInInitializerError at java.base/jdk.internal.misc.Unsafe.ensureClassInitialized0(Native Method) at java.base/jdk.internal.misc.Unsafe.ensureClassInitialized(Unsafe.java:1042) at java.base/jdk.internal.reflect.UnsafeFieldAccessorFactory.newFieldAccessor(UnsafeFieldAccessorFactory.java:43) at java.base/jdk.internal.reflect.ReflectionFactory.newFieldAccessor(ReflectionFactory.java:186) at java.base/java.lang.reflect.Field.acquireFieldAccessor(Field.java:1105) at java.base/java.lang.reflect.Field.getFieldAccessor(Field.java:1086) at java.base/java.lang.reflect.Field.get(Field.java:418) at org.codehaus.groovy.reflection.CachedField.getProperty(CachedField.java:70) at groovy.lang.MetaClassImpl.getProperty(MetaClassImpl.java:1890) at groovy.lang.MetaClassImpl.getProperty(MetaClassImpl.java:3827) at org.codehaus.groovy.runtime.callsite.ClassMetaClassGetPropertySite.getProperty(ClassMetaClassGetPropertySite.java:50) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGetProperty(AbstractCallSite.java:329) at test.Application.main(Application.groovy:20) Caused by: org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object '[FOUR, ONE, TWO, SIX, FIVE, THREE]' with class 'java.util.ImmutableCollections$SetN' to class 'java.util.EnumSet' due to: groovy.lang.GroovyRuntimeException: Could not find matching constructor for: java.util.EnumSet(test.Test1, test.Test1, test.Test1, test.Test1, test.Test1, test.Test1) at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.continueCastOnSAM(DefaultTypeTransformation.java:402) at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.continueCastOnNumber(DefaultTypeTransformation.java:315) at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.continueCastOnCollection(DefaultTypeTransformation.java:273) at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.castToType(DefaultTypeTransformation.java:230) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.castToType(ScriptBytecodeAdapter.java:615) at test.Test1.<clinit>(Application.groovy:14) ... 13 more Suppressed: groovy.lang.GroovyRuntimeException: Could not find matching constructor for: java.util.EnumSet(SetN) at groovy.lang.MetaClassImpl.invokeConstructor(MetaClassImpl.java:1835) at groovy.lang.MetaClassImpl.invokeConstructor(MetaClassImpl.java:1605) at org.codehaus.groovy.runtime.InvokerHelper.invokeConstructorOf(InvokerHelper.java:1067) at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.continueCastOnSAM(DefaultTypeTransformation.java:378) ... 18 more
Although it is working fine in groovy 4 in all JDK: 8, 11 and 17.
| Groovy\JDK | JDK8 | jdk-11.0.19+7 | jdk-17.0.7+7 |
|---|---|---|---|
| 2.4.21 | V | N/A | N/A |
| 2.5.22 | V | X | X |
| 3.0.17 | V | X | X |
| 4.0.12 | V | V | V |
Also, static compilation of enum is also fixing the problem. I am using CentOS 7 and AdoptNet(Temurin) Java, see versions of groovy and java in the table above.
Attachments
Issue Links
- relates to
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GROOVY-8164 Groovy allows a Java class to inherit static methods from its interface
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- Closed
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