[Zope-dev] Zope 2.X Session problems

[Chris McDonough]

On Tue, 2004-04-20 at 10:28, alex at halogen-dg.com wrote:
> Hi Chris,
> 
> On Wed, 3 Mar 2004, Chris McDonough wrote:
> 
> > Great, I'm going to consider that a resounding endorsement and check it
> > in soon; please do let me know if you see anything odd come up.
> > 
> > If anyone else has been having issues with the old Transience module,
> > and would like to provide feedback on the newer implementation, please
> > get this file:
> > 
> > http://cvs.zope.org/*checkout*/Products/Transience/Transience.py?rev=1.32.12.2.2.2&only_with_tag=chrism-sessiongeddon
> > 
> > ... and temporarily replace Zope's lib/python/Transience/Transience.py
> > with this newer version to help test it out, and report back the results
> > here.
> 
> I am using new Transience.py, and my temp_folder is on Sessions.fs ZODB 
> now. I have one problem with it - it does not seems that this way it 
> deletes old expired Sessions. The number of objects grow and grow, and 
> today we reached limit.

You reached a disk space limit?  Or a number of session objects limit?

>  I think I have to delete Sessions.fs every night 
> and restart Zope. Is it expected expected behavior when using file 
> storage? I was thinking that only problem of this kind of storage is the 
> need to pack the database sometimes.

That was the intent.  You did pack and it didn't reduce the file size?

> 
> ---------- Forwarded message ----------
> Date: Tue, 20 Apr 2004 08:52:00 +0100
> From: atest at localhost.localdomain
> To: alex at halogen-dg.com
> Subject: test failed:
>     http://www.chalkface.com/catalog/html/custom/index.html?c_category_id=1
> 
> Testing URL http://www.chalkface.com/catalog/html/custom/index.html?c_category_id=1 ...
> test #1 - failure, code 500
> test #2 - failure, code 500
> ------------ [Details] -----------
> 
> 
> 
> Site Error
> 
>    An error was encountered while publishing this resource.
> 
>    MaxTransientObjectsExceeded
>    Sorry, a site error occurred.
> 
>    Traceback (innermost last):
>      * Module ZPublisher.Publish, line 163, in publish_module_standard
>      * Module Products.iHotfix, line 80, in new_publish
>      * Module ZPublisher.Publish, line 127, in publish
>      * Module Zope.App.startup, line 203, in zpublisher_exception_hook
>      * Module ZPublisher.Publish, line 100, in publish
>      * Module ZPublisher.mapply, line 88, in mapply
>      * Module ZPublisher.Publish, line 40, in call_object
>      * Module OFS.DTMLDocument, line 128, in __call__
>        <DTMLDocument instance at 41156d40>
>        URL: http://www.chalkface.com/custom/index.html/manage_main
>        Physical Path:/www.chalkface.com/ZWarehouse_0.8/custom/index.html
>      * Module DocumentTemplate.DT_String, line 474, in __call__
>      * Module DocumentTemplate.DT_Let, line 76, in render
>      * Module OFS.DTMLDocument, line 121, in __call__
>        <DTMLDocument instance at 4114fa40>
>        URL:
>        http://www.chalkface.com/catalog/html/zwarehouse_html_header/manag
>        e_main
>        Physical
>        Path:/www.chalkface.com/ZWarehouse_0.8/catalog/html/zwarehouse_htm
>        l_header
>      * Module DocumentTemplate.DT_String, line 474, in __call__
>      * Module DocumentTemplate.DT_Util, line 201, in eval
>        __traceback_info__: cart_functions
>      * Module <string>, line 1, in <expression>
>      * Module Shared.DC.Scripts.Bindings, line 306, in __call__
>      * Module Shared.DC.Scripts.Bindings, line 343, in _bindAndExec
>      * Module Products.PythonScripts.PythonScript, line 318, in _exec
>      * Module None, line 16, in setSessionByRequest.py
>        <PythonScript at
>        /www.chalkface.com/ZWarehouse_0.8/catalog/cart_functions/setSessio
>        nByRequest.py>
>        Line 16
>      * Module ZPublisher.HTTPRequest, line 1218, in __getattr__
>      * Module ZPublisher.HTTPRequest, line 1178, in get
>      * Module Products.Sessions.SessionDataManager, line 93, in
>        getSessionData
>      * Module Products.Sessions.SessionDataManager, line 180, in
>        _getSessionDataObject
>      * Module Products.Transience.Transience, line 494, in
>        new_or_existing
>      * Module Products.Transience.Transience, line 300, in __setitem__
> 
>    MaxTransientObjectsExceeded: 10000 exceeds maximum number of
>    subobjects 10000 (Also, an error occurred while attempting to render
>    the standard error message.)
>      _________________________________________________________________
> 
>    Troubleshooting Suggestions
>      * The URL may be incorrect.
>      * The parameters passed to this resource may be incorrect.
>      * A resource that this resource relies on may be encountering an
>        error.
> 
>    For more detailed information about the error, please refer to error
>    log.
> 
>    If the error persists please contact the site maintainer. Thank you
>    for your patience.
>  
> 
> --
> Alex V. Koval
> http://www.halogen-dg.com/
> http://www.zwarehouse.org/