From 02d9336b320c39de652667069b7ecadd8ed36fc9 Mon Sep 17 00:00:00 2001
From: Martin Krizek <martin.krizek@gmail.com>
Date: Thu, 16 Feb 2023 16:30:23 +0100
Subject: Make using blocks as handlers a parser error (#79993) (#80010)

Fixes #79968

(cherry picked from commit bd329dc54329a126056723311abd7442ed6a0389)
---
 lib/ansible/playbook/helpers.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib')

diff --git a/lib/ansible/playbook/helpers.py b/lib/ansible/playbook/helpers.py
index 444f571e99..38e32ef9a2 100644
--- a/lib/ansible/playbook/helpers.py
+++ b/lib/ansible/playbook/helpers.py
@@ -106,6 +106,8 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
             raise AnsibleAssertionError('The ds (%s) should be a dict but was a %s' % (ds, type(ds)))
 
         if 'block' in task_ds:
+            if use_handlers:
+                raise AnsibleParserError("Using a block as a handler is not supported.", obj=task_ds)
             t = Block.load(
                 task_ds,
                 play=play,
-- 
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