[LANG-1524] TypeUtils.toString StackOverflowError for an inner class in the inner class parameterized enclosing class.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.9
• Fix Version/s: 3.15.0
• Component/s: lang.reflect.*
• Assignee: Unassigned
• Reporter: kijong.youn
• Created: 06/Mar/20 02:26
• Updated: Yesterday 15:22
• Resolved: Yesterday 15:20

Description

StackOverflowError occurred on toString for an inner class in the inner class parameterized enclosing class.

 

source:

public class Test<T extends Inner> {
  public static class Inner {
  }

  public static void main(final String[] args) {
    System.out.println(TypeUtils.toString(Inner.class));
  }
} 

result:

Exception in thread "main" java.lang.StackOverflowErrorException in thread "main" java.lang.StackOverflowError at java.lang.Class.getEnclosingMethodInfo(Class.java:1072) at java.lang.Class.getEnclosingClass(Class.java:1272) at org.apache.commons.lang3.reflect.TypeUtils.classToString(TypeUtils.java:1751) at org.apache.commons.lang3.reflect.TypeUtils.toString(TypeUtils.java:1663) at org.apache.commons.lang3.reflect.TypeUtils.toString(TypeUtils.java:1891) at org.apache.commons.lang3.reflect.TypeUtils.appendAllTo(TypeUtils.java:1882) at org.apache.commons.lang3.reflect.TypeUtils.typeVariableToString(TypeUtils.java:1775) at org.apache.commons.lang3.reflect.TypeUtils.toString(TypeUtils.java:1672) at org.apache.commons.lang3.reflect.TypeUtils.toString(TypeUtils.java:1891) at org.apache.commons.lang3.reflect.TypeUtils.appendAllTo(TypeUtils.java:1882) at org.apache.commons.lang3.reflect.TypeUtils.classToString(TypeUtils.java:1758) at org.apache.commons.lang3.reflect.TypeUtils.classToString(TypeUtils.java:1752)
...

 

Issue Links

• links to: [LANG-1524] : Added cycle detection check in toString for classes #657
• links to: GitHub Pull Request #657