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[EP-tech] Re: Errors in apache logs

We see a lot of this also but with 3.2.7. I think that it's caused by EPrints trying to write when the connection has already closed, potentially because the user cancels an existing request or clicks on a second link before the first has loaded. I can produce a similar error this way:

EPrints::abort()\n, referer: http://blah.com
---------------- EPrints System Error ----------------------------
Error in send_page: :Apache2 IO write: (103) Software caused connection abort at /usr/local/eprints/perl_lib/EPrints/Page/Text.pm line 60
 at /usr/local/eprints/perl_lib/EPrints/Page/Text.pm line 61
        EPrints::Page::Text::send('EPrints::Page::Text=HASH(0xca25738)') called at /usr/local/eprints/perl_lib/EPrints/Repository.pm line 4349
        EPrints::Repository::send_page('EPrints::Repository=HASH(0xba6ddb8)') called at /usr/local/eprints/perl_lib/EPrints/Apache/Template.pm line 106
        EPrints::Apache::Template::handler('Apache2::RequestRec=SCALAR(0xc9bcfe0)') called at -e line 0
        eval {...} called at -e line 0

I don't know why you are seeing more of these now you're on 3.3.10.


Mark Gregson | Applications and Development Team Leader
Library eServices | Queensland University of Technology
Level 3 | R Block | Kelvin Grove Campus | GPO Box 2434 | Brisbane 4001
Phone: +61 7 3138 3782 | Web: http://eprints.qut.edu.au/
ABN: 83 791 724 622
CRICOS No: 00213J

-----Original Message-----
From: eprints-tech-bounces at ecs.soton.ac.uk [mailto:eprints-tech-bounces at ecs.soton.ac.uk] On Behalf Of Paolo Tealdi
Sent: Thursday, 18 October 2012 1:22 AM
To: <eprints-tech at ecs.soton.ac.uk>
Subject: [EP-tech] Errors in apache logs

Hi all,

after the migration to 3.3.10 we are noticing sometime some errors in the apache log like this one (~30-40 in a day):

---------------- EPrints System Error ----------------------------
Error in send_page: :Apache2 IO write: (53) Software caused connection abort at /opt/eprints3/perl_lib/EPrints/Page.pm line 78
  at /opt/eprints3/perl_lib/EPrints/Page.pm line 82
         EPrints::Page::send('EPrints::Page=HASH(0x2f28c5a0)') called at /opt/eprints3/perl_lib/EPrints/Apache/Template.pm line 153
called at -e line 0
         eval {...} called at -e line 0

The system apparently is working like a charme and i'm not seeing errors when browsing the site.
How can i debug this type of errors ? The system doesn't report me which file (url) has be interested by this error, neither the archive (we have three different archive on the same server) ...

Best regards,
Paolo Tealdi

Ing. Paolo Tealdi         Area IT - Politecnico Torino
Telefono/Phone : +39-011-0906714 , FAX : +39-011-0906799 Indirizzo/Address : C.so Duca degli Abruzzi,  24 - 10129 Torino - ITALY Skype : tealdi.paolo Please consider your environmental responsibility before printing this e-mail

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