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https://issues.apache.org/jira/browse/GROOVY-9600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-9600.
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> Picocli-related VersionProvider helper classes should be public to avoid
> access warnings
> ----------------------------------------------------------------------------------------
>
> Key: GROOVY-9600
> URL: https://issues.apache.org/jira/browse/GROOVY-9600
> Project: Groovy
> Issue Type: Bug
> Components: command line processing
> Reporter: Paul King
> Assignee: Paul King
> Priority: Major
> Fix For: 4.0.0-alpha-1, 3.0.5, 2.5.13
>
>
> Otherwise results in errors on JDK9+ such as below:
> {noformat}
> java.lang.IllegalAccessException: class
> groovyjarjarpicocli.CommandLine$DefaultFactory cannot access a member of
> class groovy.ui.GroovyMain$VersionProvider with modifiers ""
> at
> java.base/jdk.internal.reflect.Reflection.newIllegalAccessException(Reflection.java:376)
> at
> java.base/java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:647)
> at
> java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:490)
> at
> java.base/java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:124)
> at
> java.base/jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:346)
> at java.base/java.lang.Class.newInstance(Class.java:604)
> at
> groovyjarjarpicocli.CommandLine$DefaultFactory.create(CommandLine.java:5090)
> at
> groovyjarjarpicocli.CommandLine$DefaultFactory.create(CommandLine.java:5116)
> at
> groovyjarjarpicocli.CommandLine$DefaultFactory.createVersionProvider(CommandLine.java:5104)
> at
> groovyjarjarpicocli.CommandLine$Model$CommandSpec.updateVersionProvider(CommandLine.java:6698)
> at
> groovyjarjarpicocli.CommandLine$Model$CommandSpec.updateCommandAttributes(CommandLine.java:6673)
> at
> groovyjarjarpicocli.CommandLine$Model$CommandReflection.extractCommandSpec(CommandLine.java:10597)
> at
> groovyjarjarpicocli.CommandLine$Model$CommandSpec.forAnnotatedObject(CommandLine.java:5765)
> at groovyjarjarpicocli.CommandLine.<init>(CommandLine.java:223)
> at groovyjarjarpicocli.CommandLine.<init>(CommandLine.java:196)
> at groovy.ui.GroovyMain.processArgs(GroovyMain.java:128) {noformat}
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