[squid-users] All Adaptation ICAPs go down at the same time

[roie rachamim]

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]

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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