Varnish 500 Backend Fetch Failed when varnish is started as service

[Debraj Manna]

Geoff,

You are right when I added my backend info in the /etc/varnish/default.vcl
. It is working correctly. Can you let me know what is going wrong even
though I have mentioned by vcl, prudsys.vcl in /etc/default/varnish. It is
still picking the default vcl.

My /etc/default/varnish looks like below:-

START=yes
NFILES=131072
MEMLOCK=82000
DAEMON_OPTS="-a 0.0.0.0:6081 \
             -T localhost:6082 \
             -f /etc/varnish/prudsys.vcl \
             -S /etc/varnish/secret \
             -s malloc,1G"

On Wed, Dec 30, 2015 at 10:27 PM, Debraj Manna <subharaj.manna at gmail.com>
wrote:

> I have changed /etc/default/varnish. It looks something like below:-
>
> START=yes
> NFILES=131072
> MEMLOCK=82000
> DAEMON_OPTS="-a 0.0.0.0:6081 \
>              -T localhost:6082 \
>              -f /etc/varnish/prudsys.vcl \
>              -S /etc/varnish/secret \
>              -s malloc,1G"
>
> My prudsys.vcl looks like below:-
>
> vcl 4.0;
> backend default {
>     .host = "146.88.25.40";
>     .port = "8080";
> }
>
> I have also attached my /etc/init.d/varnish script
>
>
> On Wed, Dec 30, 2015 at 7:09 PM, Geoff Simmons <geoff at uplex.de> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA256
>>
>> On 12/30/15 10:27 AM, Debraj Manna wrote:
>> >
>> > I am new to varnish. Whenever I am trying to acess our backend via
>> > varnish I am getting the below error:-
>>
>> Always look for the FetchError:
>>
>> > -   FetchError     no backend connection
>>
>> Varnish can't reach your backend. Since there's no 'Backend' record
>> anywhere in your log, Varnish evidently doesn't know about any backend
>> that it can connect to.
>>
>> > If I start varnish as below then also everything works fine. I am
>> > facing problem only when I start varnish via sudo service varnish
>> > start sudo varnishd -n foo -f /etc/varnish/prudsys.vcl -s malloc,1G
>> > -T localhost:6082  -a 0.0.0.0:6081 <http://0.0.0.0:6081>
>>
>> Take a look at the start script invoked by 'service'. If you haven't
>> changed anything about it, I would guess that it's not using the VCL
>> file specified by -f in your command, but rather a "default" VCL that
>> defines a backend that doesn't exist.
>>
>>
>> HTH,
>> Geoff
>> - --
>> UPLEX Systemoptimierung
>> Scheffelstraße 32
>> 22301 Hamburg
>> http://uplex.de/
>> Mob: +49-176-63690917
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>
>
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