From 018169818c4ed96d3095f52c588b439510c1b288 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Burak=20=C5=9Eahin?= <abrkshn95@gmail.com>
Date: Tue, 21 Sep 2021 11:13:48 +0300
Subject: [PATCH] Fix for NullPointerException on detach()

---
 src/main/javassist/CtClass.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/javassist/CtClass.java b/src/main/javassist/CtClass.java
index f227019f..f1a47342 100644
--- a/src/main/javassist/CtClass.java
+++ b/src/main/javassist/CtClass.java
@@ -1423,7 +1423,7 @@ public abstract class CtClass {
     public void detach() {
         ClassPool cp = getClassPool();
         CtClass obj = cp.removeCached(getName());
-        if (obj != this)
+        if (obj != null && obj != this)
             cp.cacheCtClass(getName(), obj, false);
     }
 
-- 
2.39.5