On Jan 14, 2009, at 5:09 AM, Miguel Arroz wrote:
Hi!
From what I learned, the file is always read and written by
wotaskd. Monitor will ask wotaskd for it's contents, and send update
commands to wotaskd in a form of an http request with a huge XML
block in it.
wotaskd seems to write this file in many occasions, including just
before terminating.
I looked at Anjo's code, but I couldn't find anything that helped
me on this, but I may have missed something.
I thought he added something to make managing large number of
instances and deploying new versions easier. I have not looked yet to
see what it is that he did. Try asking on the Wonder list. I don't
know if he is on this list.
I thought about changing wotaskd to support a SIGHUP signal, like
many UNIX deamons do, instructing it to reload the settings, but I
don't have time for that right now, although from what I understood
the relationship between wotaskd and Monitor is very tricky in terms
of data syncing.
If you look in /System/Library/WebObjects/Adaptors/Apache/apache.conf
you will find
WebObjectsConfig http://localhost:1085 10
The last parameter is how often (in seconds) that wotaskd will re-read
the file. I don't know if that helps you.
<rant>Sometimes I would like Apple to go the UNIX-way of things,
instead of being a little snobbish with all this GUI-centric stuff.</
rant> /me smiles and do the thumbs up, Conan O'Brien way...
:-)
Yours
Miguel Arroz
Chuck
On 2009/01/14, at 02:35, Chuck Hill wrote:
On Jan 1, 2009, at 1:49 PM, Miguel Arroz wrote:
Hi!
I'm trying to improve the support for rolling updates. This is
what I want to happen when I deploy:
1) The new app is build with the SVN revision automatically
appended to it's name.
2) SiteConfig.xml is updated by the build script to reflect the
new name.
3) Manually use WOMonitor to launch new instances and set the old
ones to die when no more sessions exist.
Step 1 is done.
My problem is with step 2. If I try to change that file manually,
WOMonitor will reset it to the old values, and not reflect the
changes.
What if you don't have it open in a browser window? Are you
writing a syntax error into the file?
What's the best way to solve this? Is there any way I can force
monitor to reload the settings? Does killing and relauching
monitor does the trick? Is that safe for the deployed environment?
JavaMonitor is (mostly) an editor for that file. It should not
make any difference if you stop and restart it. Or don't run it at
all.
Anjo added some things to the JavaMonitor in Wonder that may be of
use to you.
Chuck
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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