Re: [squid-users] Squid cannot start because it "can't open 'on' for writing..."

Quoting Marcello Romani <mromani@ottotecnica.com>:

> Hi,
> I'm having a strange problem with squid.
> When I stop and restart the program, it fails to start; cache.log says
> it can't open "on" for writing, and suggests to check that the parent
> directory be writable by the user "squid".
>
> I don't think this is a file permission issue, because even changing
> 777 permission to the entire /var/cache dir doesn't solve the problem.
> I also tried lsof to check for locks on that file, but didn't find anything.
>
> Yesterday I solved the problem by deleting the entire cache directory
> and upgrading squid (now I'm running 2.6.STABLE4).
>
> Googling around with strings from the message in the cache.log didn't
> give much help, which makes me think I'm nearly the only one having
> this issue.
>
> The relevant lines from cache.log are:
>
> --------- 8< ----------------
> Squid Cache (Version 2.6.STABLE3): Terminated abnormally.
> CPU Usage: 0.008 seconds = 0.008 user + 0.000 sys
> Maximum Resident Size: 0 KB
> Page faults with physical i/o: 0
> 2006/12/06 13:43:13| Starting Squid Cache version 2.6.STABLE3 for
> i686-pc-linux-gnu...
> 2006/12/06 13:43:13| Process ID 15637
> 2006/12/06 13:43:13| With 1024 file descriptors available
> 2006/12/06 13:43:13| Using epoll for the IO loop
> 2006/12/06 13:43:13| Performing DNS Tests...
> 2006/12/06 13:43:13| Successful DNS name lookup tests...
> 2006/12/06 13:43:13| DNS Socket created at 0.0.0.0, port 33030, FD 5
> 2006/12/06 13:43:13| Adding nameserver 192.9.200.200 from /etc/resolv.conf
> 2006/12/06 13:43:13| Adding nameserver 151.99.125.1 from /etc/resolv.conf
> 2006/12/06 13:43:13| Adding nameserver 151.99.125.2 from /etc/resolv.conf
> 2006/12/06 13:43:13| Adding nameserver 151.99.125.3 from /etc/resolv.conf
> 2006/12/06 13:43:13| Adding nameserver 212.216.172.222 from /etc/resolv.conf
> 2006/12/06 13:43:13| Adding nameserver 212.216.112.112 from /etc/resolv.conf
> FATAL: Cannot open 'on' for writing.
> The parent directory must be writeable by the
> user 'squid', which is the cache_effective_user
> set in squid.conf.
> Squid Cache (Version 2.6.STABLE3): Terminated abnormally.
> CPU Usage: 0.008 seconds = 0.008 user + 0.000 sys
> Maximum Resident Size: 0 KB
> Page faults with physical i/o: 0
> ------------- >8 ---------------
>
>
> Thanks in advance.
>
>
> --
> Marcello Romani
> Responsabile IT
> Ottotecnica s.r.l.
> http://www.ottotecnica.com
Does your squid user own the cache directory. Or it sounds like you
may have an error in your .conf file. FATAL: Cannot open 'on' for
writing, sounds like it is looking for a directory named 'on'. Dont
suppose you made any changes to squid prior to this?

-- 
Dwayne Hottinger
Network Administrator
Harrisonburg City Public Schools