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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: Spring Scheduled Task is triggered multiple times
Date Thu, 02 Jul 2015 13:52:40 GMT
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Zoran,

On 7/2/15 1:22 AM, Zoran Avtarovski wrote:
> We have a struts2 based app that uses spiring scheduling to trigger
> a task every morning at 6am.
> 
> The problem we have is that task in triggered multiple times, 
> simultaneously.

What evidence do you have that the task is triggered multiple times?
(I'm not saying I don't believe you, I'm just curious... it might help
determine WHY it's being run twice.)

> We have an Ubuntu 14.04.1 Server using the standard tomcat 7
> installed using apt-get and running on oracle java 8.

Ubuntu tends to be relatively up-to-date compared to other distros,
but do you know what version of Tomcat 7 you actually have? It won't
have anything to do with this problem, but upgrading to latest is
always recommended.

> Tomcat is configured as a stand alone not a cluster and I had a
> look at the servers.xml file and it only has one host.
> 
> It has to be the way we have tomcat configured, but I can¹t see
> what. I changed from quartz to spring scheduling thinking the issue
> was quartz, but that made no difference.
> 
> I¹d really appreciate any pointers at this stage.

At first, I was sure the issue would be multiple-deployment, triggered
by putting a <Context> element in your server.xml that pointed to a
WAR file (or exploded WAR directory) in your webapps/ folder. That
would do it. But you posted your server.xml elsewhere in this thread,
and that's not the problem.

But you might still have a double-deployment.

Do you have any files in CATALINA_BASE/conf/Catalina/localhost/? If
so, which ones and what do they contain?

What do you have in CATALINA_BASE/webapps/?

How do you launch Tomcat?

- -chris
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