From cd9a45b7167f3f3b20d074c969f8145e457de05f Mon Sep 17 00:00:00 2001
From: Jesse Glick <jglick@cloudbees.com>
Date: Wed, 25 Oct 2023 19:09:57 -0400
Subject: [PATCH] Warn if `Queue.cancel(Item)` returns `false`

---
 core/src/main/java/hudson/model/AbstractItem.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/hudson/model/AbstractItem.java b/core/src/main/java/hudson/model/AbstractItem.java
index 49b1320811c6..35c491bf67d4 100644
--- a/core/src/main/java/hudson/model/AbstractItem.java
+++ b/core/src/main/java/hudson/model/AbstractItem.java
@@ -730,7 +730,9 @@ public void delete() throws IOException, InterruptedException {
                     Item item = Tasks.getItemOf(i.task);
                     while (item != null) {
                         if (item == this) {
-                            queue.cancel(i);
+                            if (!queue.cancel(i)) {
+                                LOGGER.warning(() -> "failed to cancel " + i);
+                            }
                             break;
                         }
                         if (item.getParent() instanceof Item) {