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fix: every chat message fails on a Redis Cluster deployment (#33766)

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With REDIS_CLUSTER enabled, every chat message failed with an error. The Redis connection recently added for terminal connections was used before it had read the cluster's layout. That connection now reads the layout first, so chats work again on a Redis Cluster. Plain Redis and Sentinel setups behave as before.

Fixes #33765
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Classic298 2026-11-05 10:40:11 +01:00 • committed by GitHub
parent 393dd6689c
commit 5beeb0cc29
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backend/open_webui/utils/tether.py
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@ -219,6 +219,8 @@ class Hub:
async_mode=True,
decode_responses=False,
)
# RedisCluster can't route a pubsub subscribe until initialize() fills its slot cache.
await self.redis.initialize()
pubsub = self.redis.pubsub()
await pubsub.subscribe(self.channel(self.worker))
self.listener = asyncio.create_task(self.listen(pubsub))