[ 
https://issues.apache.org/jira/browse/GROOVY-9288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

John Bellassai updated GROOVY-9288:
-----------------------------------
    Description: 
The following code works fine in 2.5.6 but breaks in 2.5.7 and 2.5.8:
{code:java}
GroovyShell shell = new GroovyShell()
shell.evaluate('''
    package a
    
    import groovy.transform.CompileStatic
    
    @CompileStatic
    abstract class Abstract_Class {
        protected String protectedField = 'field'
        
        abstract String doThing()
    }
    assert true''')

shell.evaluate('''
    package b
    
    import a.Abstract_Class
    import groovy.transform.CompileStatic
    
    @CompileStatic
    class ConcreteClass extends Abstract_Class {
       
        @Override
        String doThing() {
            'something'.with {
                return protectedField
            }
        }
    }
    assert true''')

shell.evaluate("assert new b.ConcreteClass().doThing() == 'field'")
{code}
{noformat}
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
Script2.groovy: 13: Access to a.Abstract_Class#protectedField is forbidden @ 
line 13, column 32.
                           return protectedField
                                  ^
{noformat}
If you change both classes to be in the same package, you get a runtime error 
like this:
{noformat}
tried to access field a.Abstract_Class.protectedField from class 
a.ConcreteClass$_doThing_closure1
java.lang.IllegalAccessError: tried to access field 
a.Abstract_Class.protectedField from class a.ConcreteClass$_doThing_closure1
{noformat}

  was:
The following code works fine in 2.5.6 but breaks in 2.5.7 and 2.5.8:
{code:java}
GroovyShell shell = new GroovyShell()
shell.evaluate('''
    package a
    
    import groovy.transform.CompileStatic
    
    @CompileStatic
    abstract class Abstract_Class {
        protected String protectedField = 'field'
        
        abstract String doThing()
    }
    assert true''')

shell.evaluate('''
    package b
    
    import a.Abstract_Class
    import groovy.transform.CompileStatic
    
    @CompileStatic
    class ConcreteClass extends Abstract_Class {
       
        @Override
        String doThing() {
            'something'.with {
                return protectedField
            }
        }
    }
    assert true''')

shell.evaluate("assert new b.ConcreteClass().doThing() == 'field'")
{code}
{noformat}
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
Script2.groovy: 13: Access to a.Abstract_Class#protectedField is forbidden @ 
line 13, column 32.
                           return protectedField
                                  ^
{noformat}
If you change both classes to be in the same package, you get an error like 
this:
{noformat}
tried to access field a.Abstract_Class.protectedField from class 
a.ConcreteClass$_doThing_closure1
java.lang.IllegalAccessError: tried to access field 
a.Abstract_Class.protectedField from class a.ConcreteClass$_doThing_closure1
{noformat}


> Compilation error when accessing a protected super class field from inside a 
> closure
> ------------------------------------------------------------------------------------
>
>                 Key: GROOVY-9288
>                 URL: https://issues.apache.org/jira/browse/GROOVY-9288
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static compilation
>    Affects Versions: 2.5.7, 2.5.8
>            Reporter: John Bellassai
>            Priority: Major
>
> The following code works fine in 2.5.6 but breaks in 2.5.7 and 2.5.8:
> {code:java}
> GroovyShell shell = new GroovyShell()
> shell.evaluate('''
>     package a
>     
>     import groovy.transform.CompileStatic
>     
>     @CompileStatic
>     abstract class Abstract_Class {
>         protected String protectedField = 'field'
>         
>         abstract String doThing()
>     }
>     assert true''')
> shell.evaluate('''
>     package b
>     
>     import a.Abstract_Class
>     import groovy.transform.CompileStatic
>     
>     @CompileStatic
>     class ConcreteClass extends Abstract_Class {
>        
>         @Override
>         String doThing() {
>             'something'.with {
>                 return protectedField
>             }
>         }
>     }
>     assert true''')
> shell.evaluate("assert new b.ConcreteClass().doThing() == 'field'")
> {code}
> {noformat}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup 
> failed:
> Script2.groovy: 13: Access to a.Abstract_Class#protectedField is forbidden @ 
> line 13, column 32.
>                            return protectedField
>                                   ^
> {noformat}
> If you change both classes to be in the same package, you get a runtime error 
> like this:
> {noformat}
> tried to access field a.Abstract_Class.protectedField from class 
> a.ConcreteClass$_doThing_closure1
> java.lang.IllegalAccessError: tried to access field 
> a.Abstract_Class.protectedField from class a.ConcreteClass$_doThing_closure1
> {noformat}



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