[EP-tech] Message during process_stats IRStat2

David R Newman drn at ecs.soton.ac.uk
Fri Aug 13 09:45:25 BST 2021


Hi Izwan,

Looking at the line of code that has the error:

if( $hostname eq $self->{host} )

One of the these to variables is not set.  As there is a comparison 
involving $hostname further up in the file, it must be $self->{host} 
that is not set.  This is earlier set from line 24:

$self->{host} = $self->{session}->config( "host" );

My suspicion is that you have reconfigured your repository to be HTTPS 
only and there only set $c->{securehost} and not $c->{host} in your 
archive's cfg/cfg.d/10_core.pl (or some other config file in the same 
directory).  If $c->{host} is set to undef this would also return the 
same error message here.  To resolve this problem you should go to line 
24 of 
/usr/share/eprints/lib/plugins/EPrints/Plugin/Stats/Processor/Access/Referrer.pm 
and add the following line after it:

$self->{host} ||= $self->{session}->config( "securehost" );

This will set $self->{host} to the config value of securehost if there 
is no value set for host.  I have had to make various amendments to 
EPrints to support the no $c->{host} set means HTTPS only, so that it 
does not break things that expect it to always be set.  However, not 
setting $c->{host} seemed like the most intuitive way to allow system 
administrators to know they have configured their repository for HTTPS 
only.

Unfortunately, there has not been a new release of IRStats 2 since these 
changes were baked into recent versions of EPrints 3.4.  In part due to 
this only affecting those who configured there repositories for HTTPS 
only in this way.

Regards

David Newman

On 13/08/2021 09:26, MOHD.IZWAN SALIM via Eprints-tech wrote:
> *CAUTION:* This e-mail originated outside the University of Southampton.
> Dear all, I just migrated and upgraded EPrints 3.3.16 to 3.4.3. 
> Everything worked fine until I ran the process_stat --setup for IRSTAT2.
>
> The statistic is running (i guess) but it only shows message
> Use of uninitialized value in string eq at 
> /usr/share/eprints/lib/plugins/EPrints/Plugin/Stats/Processor/Access/Referrer.pm 
> line 84.
> Use of uninitialized value in string eq at 
> /usr/share/eprints/lib/plugins/EPrints/Plugin/Stats/Processor/Access/Referrer.pm 
> line 84.
> Use of uninitialized value in string eq at 
> /usr/share/eprints/lib/plugins/EPrints/Plugin/Stats/Processor/Access/Referrer.pm 
> line 84.
> Access: incremental commit to DB
>
> I'm using mysql 8. I want to get rid of that message.
>
> Regards
>
> *Izwan*
> *UiTM Digital Library
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