The squid-3.1 adds warnings 110 and 111 to TCP_REFRESH_UNMODIFIED responses
Issue
The squid-3.1 adds unwanted warnings 110 "Response is stale" and even 111 "Revalidation failed" to response on repeated request.
Environment
- Red Hat Enterprise Linux 6
- squid-3.1.10-1.el6_2.4
- httpd
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