From 68be217043e3a52a25254c3c433f71e601f043f3 Mon Sep 17 00:00:00 2001
From: Jesse Glick <jglick@cloudbees.com>
Date: Tue, 23 Jan 2024 16:22:37 -0500
Subject: [PATCH] Fine logging with stack trace when queue item cancelled

---
 .../plugins/workflow/support/steps/ExecutorStepExecution.java  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/org/jenkinsci/plugins/workflow/support/steps/ExecutorStepExecution.java b/src/main/java/org/jenkinsci/plugins/workflow/support/steps/ExecutorStepExecution.java
index 85d620bf..7a79ffca 100644
--- a/src/main/java/org/jenkinsci/plugins/workflow/support/steps/ExecutorStepExecution.java
+++ b/src/main/java/org/jenkinsci/plugins/workflow/support/steps/ExecutorStepExecution.java
@@ -252,6 +252,9 @@ public void stop(@NonNull Throwable cause) throws Exception {
                 if (li.task instanceof PlaceholderTask) {
                     PlaceholderTask task = (PlaceholderTask) li.task;
                     if (!task.stopping) {
+                        if (LOGGER.isLoggable(Level.FINE)) {
+                            LOGGER.log(Level.FINE, null, new Throwable(li.task + " was cancelled"));
+                        }
                         task.context.onFailure(new FlowInterruptedException(Result.ABORTED, true, new QueueTaskCancelled()));
                     }
                 }