Property resolution clash for Map subclasses: http://groovy.329449.n5.nabble.com/Property-resolution-clash-for-Map-subclasses-td5717713.html

map_property_clash.groovy

class Foo extends AbstractMap<Object, Object>{
    String bar
    def map = [:]
    
    String getBar () {bar}
    
    //map impl
    public Set entrySet() {map.entrySet()}
}

Foo foo = new Foo (bar: 'baz')

assert foo.getBar() == 'baz' //WORKS
assert foo.bar == 'baz' //FAILS because foo.bar is NULL