From a0e0598c105ff7933eed8190b5ee9e288fcffc3a Mon Sep 17 00:00:00 2001
From: Maxim Muzafarov <mmuzaf@apache.org>
Date: Sat, 11 Jul 2026 13:41:21 +0200
Subject: [PATCH] set managmen pool as 1 when it is not defined

---
 src/java/org/apache/cassandra/transport/Dispatcher.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/java/org/apache/cassandra/transport/Dispatcher.java b/src/java/org/apache/cassandra/transport/Dispatcher.java
index 48605c5593..fa0692a281 100644
--- a/src/java/org/apache/cassandra/transport/Dispatcher.java
+++ b/src/java/org/apache/cassandra/transport/Dispatcher.java
@@ -108,9 +108,12 @@ public class Dispatcher implements CQLMessageHandler.MessageConsumer<Message.Req
      * <p>Management connections are established through the management transport server
      * (see {@link org.apache.cassandra.service.NativeTransportManagementService}), which listens
      * on a separate port from the regular native transport.
+     *
+     * <p>Unlike auth requests, management requests have no fallback executor, so values
+     * less than 1 are treated as 1: a zero-sized pool would queue management requests forever.
      */
     @VisibleForTesting
-    static final LocalAwareExecutorPlus managementExecutor = SHARED.newExecutor(DatabaseDescriptor.getNativeTransportManagementMaxThreads(),
+    static final LocalAwareExecutorPlus managementExecutor = SHARED.newExecutor(Math.max(1, DatabaseDescriptor.getNativeTransportManagementMaxThreads()),
                                                                                  DatabaseDescriptor::setNativeTransportManagementMaxThreads,
                                                                                  "transport",
                                                                                  "Native-Transport-Management-Tasks");