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Rusty,
Rusty Wright wrote:
In our setup we have multiple Tomcats behind a load balancer. I have a
background task that will run once a day, via Quartz. All Tomcats will
be using the same war so they will all run the job, but I need it so
only
What I did was a little bit of extra work on top of quartz. I have a
table that stores the configuration for all of my quartz jobs. When a
quartz job kicks off, it will first try to update its last execute time
in the table. If the last execute time is too new the update will fail
and the
Quartz has a clustering facility that makes this easy, the OpenSymphony
website has more docs on this, investigate the forums/community there.
org.quartz.jobStore.isClustered = true
Using a JDBC JobStore with the cluster config should ensure that the job
only runs once within the cluster.
p
it would probably be much easier to make this job a separate cron
process on one machine, or if it _must_ be in tomcat (why?) tie it to
an ip adress or server name, so the task just checks that it can only
run on tomcat1 or tomcat 10, or whatever...
Otherwise you'll need to check logs on all
Ok, thanks; I'll look into terracotta.
Lucas Galfaso wrote:
Hi,
This should be strait forward if you use terracotta. If you have a
NFS that all Tomcat instances share, using FileChannel::lock is way
cheaper than any other solution.
-lg
On Sun, Jan 11, 2009 at 2:30 AM, Rusty Wright
That's exactly how it is now; it's on what's called our app server which
is a single machine.
The problem with our app server is that the developers aren't allowed
access to it; the software is updated and installed by our production
control/release management team.
So, for example, if I
Hello Rusty,
On Sun, Jan 11, 2009 at 6:10 PM, Rusty Wright rusty.wri...@gmail.com wrote:
The reason making it a web app appeals to me is that then I can have it log
to a database, and I can tweak its configuration via a web page. And I can
have a checkbox, disable/enable so I can turn it off
Hmm, I see your point. I'll discuss it with others here and see what they
think.
Leon Rosenberg wrote:
Hello Rusty,
On Sun, Jan 11, 2009 at 6:10 PM, Rusty Wright rusty.wri...@gmail.com wrote:
The reason making it a web app appeals to me is that then I can have it log
to a database, and I
This isn't really a Tomcat question I'm guessing but I don't know where
else to ask.
In our setup we have multiple Tomcats behind a load balancer. I have a
background task that will run once a day, via Quartz. All Tomcats will
be using the same war so they will all run the job, but I need
Hi,
This should be strait forward if you use terracotta. If you have a
NFS that all Tomcat instances share, using FileChannel::lock is way
cheaper than any other solution.
-lg
On Sun, Jan 11, 2009 at 2:30 AM, Rusty Wright rusty.wri...@gmail.com wrote:
This isn't really a Tomcat question I'm
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