On 06.02.2009 18:23, André Warnier wrote:
gerhardus.geldenh...@gta-travel.com wrote:
1) As far as I know, no, mod_jk does not read workers.properties
dynamically.
2) Yes and no, it will not send a request unless communication has
been
established with the worker, it may happen that the worker fails, or
someone shut it down. Depending on how you configure the workers and
the
number of workers, it can retry the request and/or try a different
worker. Mod_jk will mark the worker on error when it does not respond,
and it will try again after a configurable time -but it tries again
with
an actual request-.
It would be really nice if you could test availability of a node with a
configurable request instead of a live production request... (hint,
hint)
Isn't that what "ping" is about ?
Ping tests, whether there is something able to still process AJP on the
other side of the connection. A configurable request would be able to
talk to the application, so one could detect, whether it is still
deployed, and if the request would be handled by an intelligent servlet
it could respond with some sort of application layer health status.
Worth filing an enhancement request, since Mladen put the Watchdog
thread into 1.2.27, we can easily add more logic of that type.
Regards,
Rainer
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