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Posted to user@karaf.apache.org by Guenther Schmidt <sc...@gmail.com> on 2017/12/09 17:22:42 UTC

Scheduler in Karaf

Hello all,

I'm in the process of migrating a project with drowizard based 
microservices to Apache Karaf.

So far so good.

I'm using Maven and sometimes things get a bit tricky when I have to 
include 3rd party libraries, maven generates package requirements in the 
MANIFEST.MF that I have no idea how they got there. But I manage for the 
most part by adding these obscure packages to the "Don't import" list 
manually.

But the scheduler that ships with Karaf is another story. I can't figure 
out how to "reschedule" a job, other than updating the bundle with a new 
configuration.

Am I doing something wrong or is that just the way it is?

Guenther

Re: Scheduler in Karaf

Posted by Jean-Baptiste Onofré <jb...@nanthrax.net>.

Hi Guenther,

The scheduler can schedule shell commands or Runnable services.

When using Runnable services, the scheduler configuration is defined as service 
properties.

However, if you want to change the scheduling or suspend/resume a scheduling, 
it's not actually possible easily today.

I created the following Jira:

https://issues.apache.org/jira/browse/KARAF-5486

You will have "extended" commands to have more fine-grained control over the 
scheduling of the job.

It should be including in the coming 4.1.4 and 4.2.0 releases.

Regards
JB

On 12/09/2017 06:22 PM, Guenther Schmidt wrote:
> Hello all,
> 
> I'm in the process of migrating a project with drowizard based microservices to 
> Apache Karaf.
> 
> So far so good.
> 
> I'm using Maven and sometimes things get a bit tricky when I have to include 3rd 
> party libraries, maven generates package requirements in the MANIFEST.MF that I 
> have no idea how they got there. But I manage for the most part by adding these 
> obscure packages to the "Don't import" list manually.
> 
> But the scheduler that ships with Karaf is another story. I can't figure out how 
> to "reschedule" a job, other than updating the bundle with a new configuration.
> 
> Am I doing something wrong or is that just the way it is?
> 
> Guenther
> 

-- 
Jean-Baptiste Onofré
jbonofre@apache.org
http://blog.nanthrax.net
Talend - http://www.talend.com