paolo di tommaso created GROOVY-8978:
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Summary: NPE when accessing protected method from subclass clone
Key: GROOVY-8978
URL: https://issues.apache.org/jira/browse/GROOVY-8978
Project: Groovy
Issue Type: Bug
Affects Versions: 2.5.6
Reporter: paolo di tommaso
I'm getting a NPE when running this snippet:
{code}
@groovy.transform.CompileStatic
class LazyMap implements Map<String,Object> {
@Delegate protected Map<String,Object> target
LazyMap() {
target = new HashMap<>()
}
}
@groovy.transform.CompileStatic
class TaskConfig extends LazyMap implements Cloneable {
TaskConfig() { }
TaskConfig clone() {
def copy = (TaskConfig)super.clone()
copy.target = new HashMap<>(this.target)
return copy
}
}
{code}
The problem is that `this.target` in the clone method is evaluated to `null`.
It works fine if the classes are not declared CompileStatic. It was also
working fine with groovy version prior to 2.5.6.
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