# Kein Thread allozierbar nach Update auf 2026.4.1

**URL:** https://meta.discourse.org/t/cant-alloc-thread-after-updating-to-2026-4-1/403784
**Category:** Bug
**Created:** [26. Mai 2026 um 00:02 UTC](https://meta.discourse.org/t/cant-alloc-thread-after-updating-to-2026-4-1/403784 "2026-05-26T00:02:25Z")
**Posts on this page:** 1
**Showing post:** 1

<div class="post-metadata">

### Author: ![RBoy](https://avatars.discourse-cdn.com/v4/letter/r/2bfe46/32.png) [@RBoy](https://meta.discourse.org/u/RBoy)
#### Post date: [26. Mai 2026 um 00:02 UTC](https://meta.discourse.org/t/cant-alloc-thread-after-updating-to-2026-4-1/403784/1 "2026-05-26T00:02:25Z")

</div>

Ich sehe diese Fehler in den Logs, nachdem ich kürzlich auf 2026.4.1 ([e404d9aabc](https://github.com/discourse/discourse/commits/e404d9aabc2cc9a7afed5cf5fad5f40b4617b746)) aktualisiert habe:

```plaintext
Meldung (151769 gemeldete Kopien)

Job-Ausnahme: kann keinen Thread allozieren

Backtrace

/usr/local/lib/ruby/3.4.0/socket.rb:712:in 'Thread.new'
/usr/local/lib/ruby/3.4.0/socket.rb:712:in 'block in Socket.tcp_with_fast_fallback'
/usr/local/lib/ruby/3.4.0/socket.rb:710:in 'Array#map'
/usr/local/lib/ruby/3.4.0/socket.rb:710:in 'Socket.tcp_with_fast_fallback'
/usr/local/lib/ruby/3.4.0/socket.rb:661:in 'Socket.tcp'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-client-0.28.0/lib/redis_client/ruby_connection.rb:122:in 'RedisClient::RubyConnection#connect'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-client-0.28.0/lib/redis_client/ruby_connection.rb:48:in 'RedisClient::RubyConnection#initialize'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-client-0.28.0/lib/redis_client.rb:849:in 'Class#new'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-client-0.28.0/lib/redis_client.rb:849:in 'block in RedisClient#connect'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-client-0.28.0/lib/redis_client/middlewares.rb:12:in 'RedisClient::BasicMiddleware#connect'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-client-0.28.0/lib/redis_client.rb:848:in 'RedisClient#connect'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-client-0.28.0/lib/redis_client.rb:824:in 'RedisClient#raw_connection'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-client-0.28.0/lib/redis_client.rb:779:in 'RedisClient#ensure_connected'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-client-0.28.0/lib/redis_client.rb:372:in 'RedisClient#call_v'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-5.4.0/lib/redis/client.rb:90:in 'Redis::Client#call_v'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/rack-mini-profiler-4.0.1/lib/mini_profiler/profiling_methods.rb:90:in 'block in Redis::Client#profile_method'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-5.4.0/lib/redis.rb:152:in 'block in Redis#send_command'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-5.4.0/lib/redis.rb:151:in 'Monitor#synchronize'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-5.4.0/lib/redis.rb:151:in 'Redis#send_command'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/redis-5.4.0/lib/redis/commands/keys.rb:256:in 'Redis::Commands::Keys#del'
/var/www/discourse/lib/discourse_redis.rb:168:in 'block in DiscourseRedis#del'
/var/www/discourse/lib/discourse_redis.rb:29:in 'DiscourseRedis.ignore_readonly'
/var/www/discourse/lib/discourse_redis.rb:165:in 'DiscourseRedis#del'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/mini_scheduler-0.18.0/lib/mini_scheduler/distributed_mutex.rb:48:in 'MiniScheduler::DistributedMutex#synchronize'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/mini_scheduler-0.18.0/lib/mini_scheduler/distributed_mutex.rb:15:in 'MiniScheduler::DistributedMutex.synchronize'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/mini_scheduler-0.18.0/lib/mini_scheduler/manager.rb:365:in 'MiniScheduler::Manager#lock'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/mini_scheduler-0.18.0/lib/mini_scheduler/manager.rb:316:in 'MiniScheduler::Manager#tick'
/var/www/discourse/vendor/bundle/ruby/3.4.0/gems/mini_scheduler-0.18.0/lib/mini_scheduler.rb:74:in 'block (2 levels) in MiniScheduler.start'

```

```plaintext
Hostname	ip-172-x-x-x-app
Prozess-ID	286281
Anwendungsversion	3532c825824ee1259628545c7bd5311ecb918009
Aktuelle Datenbank	default
Aktueller Hostname	discussion.mcebuddy2x.com
Meldung	Beim Ticken des Scheduling-Managers
Zeit	19:57 Uhr

```

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