[Zoo-discuss] Unable to read your session file

Fenoy Gerald gerald.fenoy at geolabs.fr
Wed Jul 3 06:12:00 PDT 2013

Hi Milan,
for storing session files on server side, you should add a sessPath variable pointing to an existing and writable (by apache user) directory  in the main section of your main.cfg file.

Once you authenticate your user from a service, your client will receive a Cookie and will send it to each future request to ZOO-Kernel. So until the cookie are removed (should happen when restarting the browser) you cannot access the ZOO-Kernel anymore, except if you manually create a session file. 

I guess that the only issue in your case is that the sessPath is not provided or not writable by apache user.

Waiting for your feedbacks.

Hope this helps,
Best regards,

Gérald Fenoy

Le 3 juil. 2013 à 14:36, "Milan P. Antonovic" <milan.antonovic at gmail.com> a écrit :

> Hi all,
> We at SUPSI are ready to publish the Helidem portal [1], but we can't figure out an error that seems happen randomly.
> Testing on my workstation it never happened. Others noticed this error often, then starting browsing in Anonymous Mode the exception disappear.
> <?xml version="1.0" encoding="utf-8"?>
> <ows:ExceptionReport xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.opengis.net/ows/1.1 http://schemas.opengis.net/ows/1.1.0/owsExceptionReport.xsd" xml:lang="en-US" version="1.1.0">
>   <ows:Exception exceptionCode="InternalError">
>     <ows:ExceptionText>Unable to read your session file.</ows:ExceptionText>
>   </ows:Exception>
> </ows:ExceptionReport>
> The ZOO WPS is accessible (with basic authentication for now) on a virtual machine proxied with Apache2 (mod_proxy).
> - What kind of information are necessary to ZOO WPS for creating a session file?
> - Maybe this is a browser related issue?
> - Maybe a ZOO WPS configuration issue?
> - Maybe Apache with mod_proxy?
> Any help will be greatly appreciated.. <983.gif>
> - Milan
> Scuola universitaria professionale della Svizzera italiana 
> Dipartimento ambiente costruzioni e design
> Istituto Scienze della Terra
> Ing. Milan P. Antonovic 
> Collaboratore Scientifico
> Trevano, CP 105 
> CH-6952 Canobbio
> http://www.supsi.ch/ist
> [1] The Helidem portal is a cartographic Web interface that, orchestrating a number of open standard, exposes a series of geospatial processing capabilities (with zoo wps) based on Digital Terrain Model elaboration.
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