caching problem

> Hi all,
> This is the first time I make a submition to the list.
>
> For the last year and a half I´ve been using seaside in squeak, and built a
> decision engine application.
>
> I´ve been experiencing the following: all the gifs appeare mixed up.
>
> I cache the gifs, putting all the gifs in ScriptingSystem formDictionary, I
> store the byteArray directly.
>
> I realized that the application has been using offline content stored in the
> temporary files folder. Then, I change Explorer setting to check the version
> of a page, every time the page is visited (the previous setting was
> "automatic"). But I continued experiencing the problem.
>
> Then I realized that the key generated in WAExternalID by means of:
> initialize
>  GeneratorMutex critical:
>   [1 to: self size do: [:i | self at: i put: ((($a to: $z), ($A to: $Z))
> atRandom: Generator) asInteger]]
>
> was exactly the same as one located in the temporary files.
>
> I also saw that WADocumentHandler>>response sets an expiration time to year
> 2095.
>
> response
>  | response |
>  response _ WAResponse new.
>  response contents: self mimeDocument contentStream text.
>  response contentType: (mimeType ifNil: [self mimeDocument contentType]).
>  response headerAt: 'Expires' put: 'Thu, 01 Jan 2095 12:00:00 GMT'.
>  fileName ifNotNil:
>   [response headerAt: 'Content-Disposition' put: 'attachment; filename=' ,
> fileName].
>  ^ response
>
> Now, I´m attacking the problem in the following ways:
> - changes the web browser setting to review page version every time is
> visited.
> - changed expiration time to a shorter time.
> - changed the way WAExternalID is generated, trying to make it more random.
> Does anybody has another ideas ?, Am I facing the problem correctly ?,
>
> Thanks in advance,
>
> I´d like to add that Seside is an amazing and productive framework.
>
> Felipe

> The static content, the gifs, change, that is, for instance: where I must
> have an edit gif, appears anything else, for instance a delete gif.
>
> What apperars mixed-up in the web brwoser are the gif, the server static
> files, which I cache its byteArrays in ScriptingSystem formDictionary.
>
> For instance, by means of "toggle halos", and "S" I can see the html
> generated by the server, this is a piece of html:
>
>          <td class="row">
>           <a href="...bCzEZZYt">
>            <img border="0" alt=""
> src="/seaside/DES?_s=VmTXqtlZoqwPFQvv" />
>           </a>
>          </td>
>
> "/seaside/DES?_s=VmTXqtlZoqwPFQvv"  referes to the gif, for
> instance to the gifA, and the gifA is shown.
>
> Somehow, the same ?_s=VmTXqtlZoqwPFQvv after some time referes to another
> gif, a gifB. If I click the web brower refresh button, or delete all
> off-line content of temporary internet files every time or -as I´m trying
> now- change the expiration time to a shorter time, It seems I´m avoiding
> this... but I´m not sure.
>
> thank you,
>
> Felipe
>
>
> Philippe Marschall <[hidden email]> escribió:
> 2006/10/25, saza solutions :
>
> > Hi all,
> > This is the first time I make a submition to the list.
> >
> > For the last year and a half I´ve been using seaside in squeak, and built
> a
> > decision engine application.
> >
> > I´ve been experiencing the following: all the gifs appeare mixed up.
> >
> > I cache the gifs, putting all the gifs in ScriptingSystem formDictionary,
> I
> > store the byteArray directly.
> >
> > I realized that the application has been using offline content stored in
> the
> > temporary files folder. Then, I change Explorer setting to check the
> version
> > of a page, every time the page is visited (the previous setting was
> > "automatic"). But I continued experiencing the problem.
> >
> > Then I realized that the key generated in WAExternalID by means of:
> > initialize
> > GeneratorMutex critical:
> > [1 to: self size do: [:i | self at: i put: ((($a to: $z), ($A to: $Z))
> > atRandom: Generator) asInteger]]
> >
> > was exactly the same as one located in the temporary files.
> >
> > I also saw that WADocumentHandler>>response sets an expiration time to
> year
> > 2095.
> >
> > response
> > | response |
> > response _ WAResponse new.
> > response contents: self mimeDocument contentStream text.
> > response contentType: (mimeType ifNil: [self mimeDocument contentType]).
> > response headerAt: 'Expires' put: 'Thu, 01 Jan 2095 12:00:00 GMT'.
> > fileName ifNotNil:
> > [response headerAt: 'Content-Disposition' put: 'attachment; filename=' ,
> > fileName].
> > ^ response
> >
> > Now, I´m attacking the problem in the following ways:
> > - changes the web browser setting to review page version every time is
> > visited.
> > - changed expiration time to a shorter time.
> > - changed the way WAExternalID is generated, trying to make it more
> random.
> > Does anybody has another ideas ?, Am I facing the problem correctly ?,
> >
> > Thanks in advance,
> >
> > I´d like to add that Seside is an amazing and productive framework.
> >
> > Felipe
>
> Whats the bigger problem you're trying to solve? Serve static files?
> Serve dynamically generated files?
>
> Philippe
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