From 879205d228cebb7066bed9b118b78c0ad0cf22b9 Mon Sep 17 00:00:00 2001
From: Rolf Schmidt <rolf.schmidt@zammad.com>
Date: Tue, 25 Jan 2022 09:53:41 +0000
Subject: [PATCH] Fixes #3685 - Zammad UI should silently discard Cache /
 apply2file errors.

---
 lib/active_support/cache/zammad_file_store.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/active_support/cache/zammad_file_store.rb b/lib/active_support/cache/zammad_file_store.rb
index ee8abd442..1311ad3ba 100644
--- a/lib/active_support/cache/zammad_file_store.rb
+++ b/lib/active_support/cache/zammad_file_store.rb
@@ -7,6 +7,9 @@ module ActiveSupport
         # in certain cases, caches are deleted by other thread at same
         # time, just log it
         super
+      rescue Errno::ENOENT => e
+        Rails.logger.debug { "Can't write cache (probably related to high load / https://github.com/zammad/zammad/issues/3685) #{name}: #{e.inspect}" }
+        Rails.logger.debug e
       rescue => e
         Rails.logger.error "Can't write cache #{name}: #{e.inspect}"
         Rails.logger.error e