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https://issues.apache.org/jira/browse/GROOVY-7828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15438385#comment-15438385
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John Wagenleitner edited comment on GROOVY-7828 at 8/26/16 3:09 AM:
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This is fixed in master. I confirmed that commit
https://github.com/apache/groovy/commit/415b95545a9e2ca3a22e2d29fad4a3b65278fb84
for GROOVY-7325 now causes a compile time error as expected. The commit
applies cleanly to GROOVY_2_4_X, so maybe worth applying to get it into 2.4.8?
was (Author: jwagenleitner):
This is fixed in master. I confirmed that commit
https://github.com/apache/groovy/commit/415b95545a9e2ca3a22e2d29fad4a3b65278fb84
for GROOVY-7325 now causes a compile time error as expected. It commit
applies cleanly to GROOVY_2_4_X, so maybe worth getting into 2.4.8?
> Created a class loader that override loadClass can calls protected methods
> results in VerifyError
> -------------------------------------------------------------------------------------------------
>
> Key: GROOVY-7828
> URL: https://issues.apache.org/jira/browse/GROOVY-7828
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 2.4.6
> Reporter: Graeme Rocher
>
> The following script results in a VerifyError:
> {code}
> java.lang.VerifyError: (class: FooClassLoader, method: loadClass signature:
> (Ljava/lang/String;Z)Ljava/lang/Class;) Bad access to protected data
> at java.lang.Class.getDeclaredConstructors0(Native Method)
> at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)
> at java.lang.Class.getDeclaredConstructors(Class.java:2020)
> at
> org.codehaus.groovy.reflection.CachedClass$2$1.run(CachedClass.java:77)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.codehaus.groovy.reflection.CachedClass$2.initValue(CachedClass.java:74)
> at
> org.codehaus.groovy.reflection.CachedClass$2.initValue(CachedClass.java:72)
> at
> org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:49)
> at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:36)
> at
> org.codehaus.groovy.reflection.CachedClass.getConstructors(CachedClass.java:271)
> at groovy.lang.MetaClassImpl.<init>(MetaClassImpl.java:220)
> {code}
> It should fail with a compilation error since the `loadClass` method is
> protected.
> {code}
> import groovy.transform.*
> @CompileStatic
> class FooClassLoader extends URLClassLoader {
> protected Class<?> loadClass(String name, boolean resolve) throws
> ClassNotFoundException {
> try {
> return super.loadClass(name, resolve)
> } catch (ClassNotFoundException cnfe) {
> return ClassLoader.systemClassLoader.loadClass(name, resolve)
> }
> }
> }
> def cl = new FooClassLoader()
> {code}
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