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Posted to notifications@groovy.apache.org by "Paul King (Jira)" <ji...@apache.org> on 2019/11/11 06:04:00 UTC

[jira] [Resolved] (GROOVY-7722) StackOverflowError when use anonymous class with generics.

     [ https://issues.apache.org/jira/browse/GROOVY-7722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King resolved GROOVY-7722.
-------------------------------
    Fix Version/s: 3.0.0-rc-2
                   2.5.9
       Resolution: Fixed

Proposed PR merged.

> StackOverflowError when use anonymous class with generics.
> ----------------------------------------------------------
>
>                 Key: GROOVY-7722
>                 URL: https://issues.apache.org/jira/browse/GROOVY-7722
>             Project: Groovy
>          Issue Type: Bug
>          Components: ast builder
>    Affects Versions: 2.4.4
>         Environment: Groovy Version: 2.4.4 JVM: 1.8.0_51 Vendor: Oracle Corporation OS: Mac OS X
>            Reporter: taka men
>            Assignee: Eric Milles
>            Priority: Major
>             Fix For: 2.5.9, 3.0.0-rc-2
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> I put a sample code to GitHub.
> https://github.com/takahirom/groovy-stackoverflow-bug
> I can reproduce it following code. And This error hasn't occurred in java8.
> {code}
> import java.util.*;
> interface Action1<T> {
>     void call(T t);
> }
> abstract class Subscriber<T> {
> }
> interface OnSubscribe<T> extends Action1<Subscriber<? super T>> {
> }
> new OnSubscribe<List>() {
>         @Override
>         public void call(Subscriber<? super List> o){
>                 System.out.println("called");
>         }
> }.call(null);
> {code}
> StackTrace:
> {noformat}
> $groovy -d Test.groovy  
> Caught: java.lang.StackOverflowError
> java.lang.StackOverflowError
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:318)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
>         at org.codehaus.groovy.ast.tools.GenericsUtils.correctToGenericsSpecRecurse(GenericsUtils.java:342)
> {noformat}



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