[jira] [Closed] (GROOVY-10157) STC can't find method reference for property with annotation

["Paul King (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GROOVY-10157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King closed GROOVY-10157.
------------------------------

> STC can't find method reference for property with annotation
> ------------------------------------------------------------
>
>                 Key: GROOVY-10157
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10157
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static Type Checker
>    Affects Versions: 3.0.8
>            Reporter: Christopher Smith
>            Assignee: Eric Milles
>            Priority: Major
>              Labels: annotations
>
> I am having difficulty reducing this to a minimal example, but it seems (1) reliably reproducible with groovyc and (2) intermittent(?) with GRECLIPSE.
> Method references (with {{.&}}) to getters are inconsistently producing errors of the form
> {code}
> Cannot find matching method com.example.IdentityRecord#getEmail.
> {code}
> The property in question is defined simply as {{String email}}, and {{javap}} produces the entirely mundane
> {code}
>   public java.lang.String getEmail();
>     Code:
>        0: aload_0
>        1: getfield      #94                 // Field email:Ljava/lang/String;
>        4: areturn
> {code}
> What is baffling me is that this does not occur on all properties. The properties on which it appears are ones where I have JSR-303 annotations (i.e., markers but nothing that triggers an ASTT), but the error persists _even after commenting the annotation and its import_, both in groovyc and GRECLIPSE. Identical properties without annotations never trigger the error.
> It _appears_ that the error only appears when both the POGO and the class trying to define a method reference on it are in the compilation unit; in Eclipse only, explicitly compiling the record class and then triggering a recompile by saving the service class works, but doing a project clean and rebuild produces the error.
> I believe that this may be able to reproduce:
> {code}
> import javax.validation.constraints.Email
> @CompileStatic
> class Record {
>   @Email String email
> }
> @CompileStatic
> class Service {
>   List<String> emails(List<Record> records) {
>     records.collect(Record.&getEmail)
>   }
> }
> {code}



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