From b7177a2e66cf7113883dfbbcc0aa94cc7f47abe3 Mon Sep 17 00:00:00 2001
From: Daniel Gredler <daniel.gredler@gmail.com>
Date: Thu, 30 Apr 2026 22:59:31 +0200
Subject: Fix filling in of stack traces during testing (#2067)

---
 core/src/main/java/com/google/zxing/ReaderException.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'core/src/main/java/com')

diff --git a/core/src/main/java/com/google/zxing/ReaderException.java b/core/src/main/java/com/google/zxing/ReaderException.java
index c0690e397..ab0b67e12 100644
--- a/core/src/main/java/com/google/zxing/ReaderException.java
+++ b/core/src/main/java/com/google/zxing/ReaderException.java
@@ -38,10 +38,13 @@ public abstract class ReaderException extends Exception {
     super(cause);
   }
 
-  // Prevent stack traces from being taken
   @Override
   public final synchronized Throwable fillInStackTrace() {
-    return null;
+    if (isStackTrace) {
+      return super.fillInStackTrace();
+    } else {
+      return this; // prevent stack traces from being taken
+    }
   }
 
   /**
-- 
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