Hi William, We've done some reverse engineering of monitor<->woadaptor communications and have written a Capistrano task (have you worked with it? it's a great tool for automating deployment procedures - our deployment system is based on Capistrano) that restarts given application. It is attached to the letter. If you're not using capistrano you should still be able to adapt the code without much problems.
Actually, what it does is:
1. It reads the /Library/WebObjects/Configuration/SiteConfig.xml file
and determines instances port numbers
2. It forms termination request of the following form:
POST /cgi-bin/WebObjects/#{project_name}.woa/womp/instanceRequest HTTP/1.0
cookie:
content-length: #{terminate_request.length}
<instanceRequest type="NSDictionary">
<commandInstance type="NSDictionary">
<command type="NSString">TERMINATE</command>
</commandInstance>
</instanceRequest>
3. It sends the request to the ports discovered on step 1.
Applications are immediately terminated. We assume that autorecover is
turned on for them, so they get restarted immediately after
termination.
I suppose that this approach should work ok for you. The advantage of
capistrano is that all commands can be executed on any host. So you
can restart the app on any server. The limitation is that you can't
specify more than one host at a time. Here is the usage example:
cap HOSTS="127.0.0.1" -f restart_app.cap -S projects_list="MyApp" restart_app_sh
cap HOSTS="127.0.0.1" -f restart_app.cap -S
projects_list="MyApp,MyAnotherApp" restart_app_sh
--
With best regards,
Michael Bushkov
restart_app.cap
Description: Binary data
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