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From "Mallder, Valerie" <Valerie.Mall...@jhuapl.edu>
Subject RE: Workflow failure - How can i customize workflow statuses in order to have an ERROR status?
Date Tue, 03 Nov 2015 15:50:56 GMT
Yes it does :) Thank you!


Valerie A. Mallder
New Horizons Deputy Mission System Engineer
Johns Hopkins University/Applied Physics Laboratory


> -----Original Message-----
> From: Mattmann, Chris A (3980) [mailto:chris.a.mattmann@jpl.nasa.gov]
> Sent: Tuesday, November 03, 2015 9:47 AM
> To: dev@oodt.apache.org
> Subject: Re: Workflow failure - How can i customize workflow statuses in order to
> have an ERROR status?
> 
> Hi Val,
> 
> Yep there are pre-conditions at the task *and* workflow level. Specified the same
> way too.
> 
> Does that help?
> 
> Cheers,
> Chris
> 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> +++++
> Chris Mattmann, Ph.D.
> Chief Architect
> Instrument Software and Science Data Systems Section (398) NASA Jet
> Propulsion Laboratory Pasadena, CA 91109 USA
> Office: 168-519, Mailstop: 168-527
> Email: chris.a.mattmann@nasa.gov
> WWW:  http://sunset.usc.edu/~mattmann/
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> +++++
> Adjunct Associate Professor, Computer Science Department University of
> Southern California, Los Angeles, CA 90089 USA
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> +++++
> 
> 
> 
> 
> 
> -----Original Message-----
> From: "Mallder, Valerie" <Valerie.Mallder@jhuapl.edu>
> Reply-To: "dev@oodt.apache.org" <dev@oodt.apache.org>
> Date: Monday, November 2, 2015 at 1:40 PM
> To: "dev@oodt.apache.org" <dev@oodt.apache.org>
> Subject: RE: Workflow failure - How can i customize workflow statuses in order to
> have an ERROR status?
> 
> >This was a really good question Andrea, thanks for asking it. I have
> >had the same question. I'm not sure I understand Chris' answer though.
> >
> >I would like to know how to abort execution of the entire workflow if
> >any of the tasks within the workflow exit with a failure status.  Is
> >there such a thing as a "task precondition"?  I figured out how to
> >create a workflow precondition (because I don't want my workflow to be
> >triggered to start if there is already one in progress), but, I can't
> >tell if there is a way to set a precondition on a specific task in a workflow.
> >
> >
> >
> >
> >Valerie A. Mallder
> >New Horizons Deputy Mission System Engineer Johns Hopkins
> >University/Applied Physics Laboratory
> >
> >> -----Original Message-----
> >> From: Chris Mattmann [mailto:chris.mattmann@gmail.com]
> >> Sent: Monday, November 02, 2015 12:39 PM
> >> To: dev@oodt.apache.org
> >> Subject: Re: Workflow failure - How can i customize workflow statuses
> >>in order to  have an ERROR status?
> >>
> >> Hi Andrea,
> >>
> >> Your best bet here if you are using CAS-PGE would be to indicate
> >>somehow in  your <exe> block that a failure has occurred. The reality
> >>is that CAS-PGE runs as a  script on the actual node so you have the
> >>full power of scripting and linux to report  errors, etc., and to
> >>signal back. If CAS-PGE gets a signal that there has been an  error it
> >>will propagate up.
> >>
> >> My suggestion then may be to extend StdPgeTaskInstance and add your
> >> own custom state reporting catching CAS-PGE’s error and flowing it up.
> >>
> >> Cheers,
> >> Chris
> >>
> >> —
> >> Chris Mattmann
> >> chris.mattmann@gmail.com
> >>
> >>
> >>
> >>
> >>
> >>
> >> -----Original Message-----
> >> From: Andrea Fonti <andrea.fonti@altecspace.it>
> >> Reply-To: <dev@oodt.apache.org>
> >> Date: Monday, November 2, 2015 at 2:02 AM
> >> To: <dev@oodt.apache.org>
> >> Subject: Workflow failure - How can i customize workflow statuses in
> >>order to have  an ERROR status?
> >>
> >> >Hi everyone,
> >> >
> >> >
> >> >
> >> >Does the oodt  batchstub have a way to report an error condition to
> >> >the workflow manager?
> >> >
> >> >Now I have exceptions in logs but the workflow manager component
> >> >reports a workflow as finished even if it has failed tasks,
> >> >
> >> >Should I develop code in order to signal  failure to the workflow
> >> >manager from the batch stub?
> >> >
> >> >
> >> >
> >> >Best regards
> >> >
> >> >Andrea
> >> >
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