[Zope] IsDaZope: a Zope checker and relauncher

[Jason Spisak]

You want to hang your Zope?

Create this DTMLMethod inside a ZClass that inherits from nothing:

<dtml-in "_.range(0, 105, 5)">
  <option value="<dtml-var "_.float(_['sequence-item'])/1000">">
   <dtml-var "_.float(_['sequence-item'])/10">%
  </option>
</dtml-in>

Don't ask.

Make sure there are leading spaces in front of the <option> lines just like
above.

I just found out that this does it everytime on 2.1.6.
Funny how a hanging bug is a good thing sometimes.

All my best,

Jerome ALET writes:

> Hi there,
> 
> Because I was hurt by the Zope hanging problem, and
> because I wanted to contribute something back to the
> Zope community, I've written a python script which
> can periodically check if your Zope server is still
> serving requests correctly, and restart it if it's not
> the case.
> 
> It's called IsDaZope and you can get it as a tar+gzip file, 
> as well as a document which explains how to use it, at:
> 
> http://www.zope.org/Members/jerome
> 
> Unfortunately, Murphy's law has hurt me too: my 
> Zope served has not hanged today so I was unable to test
> my program in this situation. I hope it will hang tomorrow ;-)
> 
> I've tested it when manually shutting down Zope, and it works
> fine: it can detect this situation and restart Zope.
> 
> You can also use isdazope to detect if a particular HTTP
> server seems to be a Zope server or not.
> 
> In order for isdazope to work correctly you should:
> 
>         - read the documentation and use the correct
>           arguments for your situation on the command line
>           
>         - launch it AFTER having launched Zope. I suggest you
>           launch it in the background.        
>           
> isdazope is distributed under the Gnu General Public License.          
> 
> Please feel free to send me any feedback, especially if you          
> find this software useful or too buggy.
> 
> Enjoy.
> 
> Jerome Alet
> 
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Jason Spisak
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