[Eril-l] '400 Bad Request' / 'Please clear cookies and try again'

Deziel, Bryan G. bdeziel at anl.gov
Tue Aug 8 07:22:08 PDT 2017

As much as I love Chrome, one of the reasons it runs so fast is that is caches a lot more than other browsers. Unfortunately, one of the side effects of this is that it will also cache 4xx error pages. The result is that if there is an error on one occasion, and Chrome caches it - it will continue to display the cached page, even after the error has been corrected. Hence the need to purge the cache on a regular basis.

As to why you may be experiencing this more frequently than usual, I have no insight - but those are my two cents.


Bryan G. Deziel, MLIS
Discovery and Digital Resources Librarian
Argonne Research Library,
Argonne National Laboratory
bdeziel at anl.gov<mailto:bdeziel at anl.gov>
(630) 252-3876

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From: Eril-l [mailto:eril-l-bounces at lists.eril-l.org] On Behalf Of Pamela L Contakos
Sent: Tuesday, August 08, 2017 8:16 AM
To: eril-l at lists.eril-l.org
Subject: Re: [Eril-l] '400 Bad Request' / 'Please clear cookies and try again'

We are also running into this quite frequently as well, particularly with Chrome and our Gale databases. I would love to hear if anyone has any suggestions on how to cut down on this.

Pamela Contakos
Digital Services Librarian
Freel Library, Massachusetts College of Liberal Arts (MCLA)
phone: 413.662.5542<tel:(413)%20662-5542>
Twitter: @elalibrarian<https://twitter.com/elalibrarian>

From: Eril-l [mailto:eril-l-bounces at lists.eril-l.org] On Behalf Of McNally, Ryan
Sent: Thursday, August 03, 2017 4:03 PM
To: eril-l at lists.eril-l.org<mailto:eril-l at lists.eril-l.org>
Subject: [Eril-l] '400 Bad Request' / 'Please clear cookies and try again'


Over the past two months, we are having a noticeable increase of problem reports regarding '400 Bad Request' errors and other glitches that are solved by telling the user to clear their cookies and try again.

These are easily fixed but the frequency is alarming and I worry how many research attempts are abandoned rather than reported. It seems to happen mostly with Chrome, but that may be just because it's our users' favorite browser.

Is anyone doing anything at the administration level to curb these? We could encourage people to use incognito windows but I'd rather find a simpler solution.


Ryan McNally
E-Resource Technology Coordinator
Snell Library
Northeastern University
360 Huntington Avenue, SL 260
Boston MA 02115
r.mcnally at northeastern.edu<mailto:r.mcnally at northeastern.edu>

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