From debf6ea81725a406cf9320457a0a0a704902f333 Mon Sep 17 00:00:00 2001
From: Nikita Mikhaylov <mikhaylovnikitka@gmail.com>
Date: Fri, 9 Jan 2026 15:21:57 +0100
Subject: [PATCH] Merge pull request #90417 from ClickHouse/backport/25.8/90076

Backport #90076 to 25.8: Fix a terminate for uncaught exception
---
 src/Common/Scheduler/SchedulerRoot.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Common/Scheduler/SchedulerRoot.h b/src/Common/Scheduler/SchedulerRoot.h
index 7650780dc597..93b7e1a5082c 100644
--- a/src/Common/Scheduler/SchedulerRoot.h
+++ b/src/Common/Scheduler/SchedulerRoot.h
@@ -250,9 +250,11 @@ class SchedulerRoot final : public ISchedulerNode
     }
 
     Resource * current = nullptr; // round-robin pointer
-    std::unordered_map<ISchedulerNode *, Resource> children; // resources by pointer
     std::atomic<bool> stop_flag = false;
     EventQueue events;
+    /// Resources by pointer. Must be destroyed before the "events",
+    /// because the descructor of ISchedulerNode might access the mutex in that queue.
+    std::unordered_map<ISchedulerNode *, Resource> children;
     ThreadFromGlobalPool scheduler;
 };