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https://issues.apache.org/jira/browse/GROOVY-11392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eric Milles updated GROOVY-11392:
---------------------------------
Language: groovy
> the field of an interface cannot be protected
> ---------------------------------------------
>
> Key: GROOVY-11392
> URL: https://issues.apache.org/jira/browse/GROOVY-11392
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Reporter: Thodoris Sotiropoulos
> Priority: Minor
>
> I have the following code:
> {code:java}
> interface A {
> protected static int x = 1;
> }
> class B implements A {
> }
> public class Test {
> public static void main(String[] args) {
> new B();
> }
> }{code}
> h3. Actual behavior
> The code compiles but I receive the following exception:
> {code:java}
> Exception in thread "main" java.lang.ClassFormatError: Illegal field
> modifiers in class A: 0x1D
> at java.base/java.lang.ClassLoader.defineClass1(Native Method)
> at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1017)
> at
> java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
> at
> java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:800)
> at
> java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:698)
> at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:621)
> at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:579)
> at
> java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
> at java.base/java.lang.ClassLoader.defineClass1(Native Method)
> at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1017)
> at
> java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
> at
> java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:800)
> at
> java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:698)
> at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:621)
> at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:579)
> at
> java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
> at Test.main(test.groovy:10)
> {code}
> h3. Expected behavior
> The code should have been rejected, as the field should not be protected.
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