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Scheduler question

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David Sinclair

Scheduler question

Hi,

I am trying to get some tasks scheduled when the application starts up.
I have done this in 2.8 applications without any problem - just
uncomment the 'oxf.context-initialized-processor.name' context param in
web.xml and then in properties.xml point to a pipeline with a call to
the scheduler.

However I have just tried the same thing in a 3.0 application with no
luck. No messages appear in the logs and so either I am missing
something or it is failing silently. Anyone have any ideas?

Thanks in advance,

Dave

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Erik Bruchez

Re: Scheduler question

Administrator

David,

It is possible that context listeners don't read properties.xml in 3.0.
The default context listeners since 3.0 are entirely setup in web.xml. I
suggest you check out the web.xml of a recent build and do a similar setup.

-Erik

David Sinclair wrote:

> Hi,
>
> I am trying to get some tasks scheduled when the application starts up.
> I have done this in 2.8 applications without any problem - just
> uncomment the 'oxf.context-initialized-processor.name' context param in
> web.xml and then in properties.xml point to a pipeline with a call to
> the scheduler.
>
> However I have just tried the same thing in a 3.0 application with no
> luck. No messages appear in the logs and so either I am missing
> something or it is failing silently. Anyone have any ideas?
>
> Thanks in advance,
>
> Dave

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joac

RE: Scheduler question

Dave,

As another option for scheduling jobs, I have integrated quartz job
scheduler with orbeon.
Both systems work pretty well together and you get a lot of flexibility and
control for pipelines scheduling. I am able to schedule pipelines when the
server starts up.
This option may be useful if you have a lot of scheduled pipelines that you
want to track, if you only need to schedule jobs at start up maybe you don't
need all of this.

Jordi

-----Mensaje original-----
De: Erik Bruchez [mailto:[hidden email]] En nombre de Erik Bruchez
Enviado el: lunes, 21 de agosto de 2006 20:28
Para: [hidden email]
Asunto: Re: [ops-users] Scheduler question

David,

It is possible that context listeners don't read properties.xml in 3.0.
The default context listeners since 3.0 are entirely setup in web.xml. I
suggest you check out the web.xml of a recent build and do a similar setup.

-Erik

David Sinclair wrote:

David Sinclair

Re: Scheduler question

Jordi,

Thanks for this - I dont think we need this for our current project but
in the past we have certainly wanted more than the ops scheduler gives
us. I will bear this in mind for the future!

Dave

Jordi Amatller wrote:

> Dave,
>
> As another option for scheduling jobs, I have integrated quartz job
> scheduler with orbeon.
> Both systems work pretty well together and you get a lot of flexibility and
> control for pipelines scheduling. I am able to schedule pipelines when the
> server starts up.
> This option may be useful if you have a lot of scheduled pipelines that you
> want to track, if you only need to schedule jobs at start up maybe you don't
> need all of this.
>
> Jordi
>
>
>
> -----Mensaje original-----
> De: Erik Bruchez [mailto:[hidden email]] En nombre de Erik Bruchez
> Enviado el: lunes, 21 de agosto de 2006 20:28
> Para: [hidden email]
> Asunto: Re: [ops-users] Scheduler question
>
> David,
>
> It is possible that context listeners don't read properties.xml in 3.0.
> The default context listeners since 3.0 are entirely setup in web.xml. I
> suggest you check out the web.xml of a recent build and do a similar setup.
>
> -Erik
>
> David Sinclair wrote:
>
>> Hi,
>>
>> I am trying to get some tasks scheduled when the application starts up.
>> I have done this in 2.8 applications without any problem - just
>> uncomment the 'oxf.context-initialized-processor.name' context param in
>> web.xml and then in properties.xml point to a pipeline with a call to
>> the scheduler.
>>
>> However I have just tried the same thing in a 3.0 application with no
>> luck. No messages appear in the logs and so either I am missing
>> something or it is failing silently. Anyone have any ideas?
>>
>> Thanks in advance,
>>
>> Dave
>>
>
>
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David Sinclair

Re: Scheduler question

In reply to this post by Erik Bruchez

Erik,

I have just tried the following code in web.xml (based on a build from
the 17th of this month).

<context-param>
<param-name>oxf.context-initialized-processor.name</param-name>

<param-value>{http://www.orbeon.com/oxf/processors}pipeline</param-value>
</context-param>
<context-param>

<param-name>oxf.context-initialized-processor.input.config</param-name>

<param-value>oxf:/talent-management/business-logic/scheduled-tasks/schedule-tasks.xpl</param-value>
</context-param>

... my pipleine does not seem to run on startup (I have added debug
line) and there are no errors in the logs at startup. Does this look
about right to you?

Dave

Erik Bruchez wrote:

> David,
>
> It is possible that context listeners don't read properties.xml in
> 3.0. The default context listeners since 3.0 are entirely setup in
> web.xml. I suggest you check out the web.xml of a recent build and do
> a similar setup.
>
> -Erik
>
> David Sinclair wrote:
>> Hi,
>>
>> I am trying to get some tasks scheduled when the application starts
>> up. I have done this in 2.8 applications without any problem - just
>> uncomment the 'oxf.context-initialized-processor.name' context param
>> in web.xml and then in properties.xml point to a pipeline with a call
>> to the scheduler.
>>
>> However I have just tried the same thing in a 3.0 application with no
>> luck. No messages appear in the logs and so either I am missing
>> something or it is failing silently. Anyone have any ideas?
>>
>> Thanks in advance,
>>
>> Dave
>
> ------------------------------------------------------------------------
>
>
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> To unsubscribe: mailto:[hidden email]
> For general help: mailto:[hidden email]?subject=help
> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>

Erik Bruchez

Re: Scheduler question

Administrator

David Sinclair wrote:

> Erik,
>
> I have just tried the following code in web.xml (based on a build from
> the 17th of this month).
>
> <context-param>
> <param-name>oxf.context-initialized-processor.name</param-name>
>
> <param-value>{http://www.orbeon.com/oxf/processors}pipeline</param-value>
> </context-param>
> <context-param>
>
> <param-name>oxf.context-initialized-processor.input.config</param-name>
>
> <param-value>oxf:/talent-management/business-logic/scheduled-tasks/schedule-tasks.xpl</param-value>
>
> </context-param>
> ... my pipleine does not seem to run on startup (I have added debug
> line) and there are no errors in the logs at startup. Does this look
> about right to you?

At first sight, yes. Are the OPS listeners hooked-up in web.xml?
Something like:

<listener>
<listener-class>org.orbeon.oxf.webapp.OPSServletContextListener</listener-class>
</listener>
<listener>
<listener-class>org.orbeon.oxf.webapp.OPSSessionListener</listener-class>
</listener>

-Erik

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http://www.orbeon.com/blog/

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David Sinclair

Re: Scheduler question

Erik Bruchez wrote:

> At first sight, yes. Are the OPS listeners hooked-up in web.xml?
> Something like:
>
> <listener>
> <listener-class>org.orbeon.oxf.webapp.OPSServletContextListener</listener-class>
>
> </listener>
> <listener>
> <listener-class>org.orbeon.oxf.webapp.OPSSessionListener</listener-class>
> </listener>
>

Yeah we have exactly this in web.xml

Dave

> -Erik
>
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>
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>

David Sinclair

Re: Scheduler question

In reply to this post by Erik Bruchez

I spoke too soon, I was looking at the wrong web.xml

These lines were commented out. I have now uncommented them and things
have sprung into live - thanks Erik!

Dave