Hi,
Our setup includes squid that runs in docker container with several ICAP servers in additional containers.
From time to time we see in cache.log the following messages:
2021/04/12 00:22:39| optional ICAP service is down after an options fetch failure: icap://icap1.proxy:14590/censor [down,!opt]
2021/04/12 00:22:39| optional ICAP service is down after an options fetch failure: icap://icap2.proxy:1344/request [down,!opt]
2021/04/12 00:22:39| optional ICAP service is down after an options fetch failure: icap://icap3.proxy:14590/response [down,!opt]
2021/04/12 06:10:45| optional ICAP service is down after an options fetch failure: icap://icap1.proxy:14590/censor [down,!opt]
2021/04/12 06:10:45| optional ICAP service is down after an options fetch failure: icap://icap2.proxy:1344/request [down,!opt]
2021/04/12 06:10:45| optional ICAP service is down after an options fetch failure: icap://icap3.proxy:14590/response [down,!opt]
2021/04/12 00:22:39| optional ICAP service is down after an options fetch failure: icap://icap1.proxy:14590/censor [down,!opt]
2021/04/12 00:22:39| optional ICAP service is down after an options fetch failure: icap://icap2.proxy:1344/request [down,!opt]
2021/04/12 00:22:39| optional ICAP service is down after an options fetch failure: icap://icap3.proxy:14590/response [down,!opt]
2021/04/12 06:10:45| optional ICAP service is down after an options fetch failure: icap://icap1.proxy:14590/censor [down,!opt]
2021/04/12 06:10:45| optional ICAP service is down after an options fetch failure: icap://icap2.proxy:1344/request [down,!opt]
2021/04/12 06:10:45| optional ICAP service is down after an options fetch failure: icap://icap3.proxy:14590/response [down,!opt]
We're trying to understand why it happens to all ICAPs at once. This happens in 4.14 and in 5.0.4
Any thoughts about what might cause this ?
Many Thanks,
Roie
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