sorry, just noticed that this and the previous post went to the wrong
group, so reposting it here:
Any input highly appreciated, Andreas
---------- Forwarded message ----------
Date: Wed, 5 Oct 2011 13:33:00 +0200 (CEST)
From: [email protected]
To: Opencast Community <[email protected]>
Subject: Re: [Opencast] Resuming video processing after a Reboot
Hi,
and one more related issue/question (sorry for the lot of questions):
One of our long lectures sucessfully performed all steps of the workflow, but
failed (for some reason) on the last one "Encoding presenter to search result
preview image)".
The message on the web-interface reads
"org.opencastproject.workflow.api.WorkflowOperationException:
org.opencastproject.workflow.api.WorkflowOperationException: Encoding failed"
Is there *any* way to get the produced results linked into the media gallery,
or push the core to retry the last step of the workflow.
Reingesting would take too long and is prone to other failures.
Thanks for your input, Andreas
[email protected] schrieb am Tue, 4 Oct 2011 betreff "Re:...":
Hi Tobias,
I tried your procedure on our server since 2 jobs were "stuck" and not moving
on.
This is what I got:
2011-10-04 15:32:27 WARN (WorkflowServiceImpl:1426) - Exception while
accepting job Job {id:4653, version:31}
java.lang.IllegalStateException: Cannot start a workflow in state 'RUNNING'
at
org.opencastproject.workflow.impl.WorkflowServiceImpl.runWorkflow(WorkflowServiceImpl.java:648)
at
org.opencastproject.workflow.impl.WorkflowServiceImpl.process(WorkflowServiceImpl.java:1389)
at
org.opencastproject.workflow.impl.WorkflowServiceImpl$JobRunner.call(WorkflowServiceImpl.java:1717)
at
org.opencastproject.workflow.impl.WorkflowServiceImpl$JobRunner.call(WorkflowServiceImpl.java:1690)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
And now I have 2 failed recordings in on the "Recordings"-screen.
What do you recommend to get these jobs active again and continue their
processing where they ended last?
One of these was a 3 hours lecture, matterhorn worked like 12 hourse on it,
and it was almost finished with processing (was extracting text segments when
it began to hung); so any input is welcome how to get Matterhorn to finish
where it stoped.
Thanks, Andreas
Tobias Wunden schrieb am Tue, 30 Aug 2011 betreff "Re: [Opencast]
Resuming...":
Date: Tue, 30 Aug 2011 16:14:37 +0200
From: Tobias Wunden <[email protected]>
Reply-To: Opencast Community <[email protected]>
To: Opencast Community <[email protected]>
Subject: Re: [Opencast] Resuming video processing after a Reboot
Hi Nathan,
there is one service in Matterhorn (service registry) which is keeping track
of the workflows that are being executed. That service does not only know
which state a workflow is in, it also knows on which host it is running. So
what you need to do is tell the service registry to restart all the jobs
that are currently marked as "running" on the affected machines.
Unfortunately, there was not time so far to add this to the ui, so you will
need to do this manually by updating the workflow's running status in that
database.
1) You can find the affected workflows by issuing
SELECT j.id
FROM job j, service_registration s, host_registration h
WHERE host = 'http://x.y.z';
AND j.status = 2
AND j.operation = 'START_WORKFLOW'
AND j.processor_svc = s.id
AND s.host_reg = h.id
which basically translates to "find me every job that started a workflow
which is still marked as running on host x.y.z.
2) After that it should be as easy as making sure that job is restarted by
setting the status to "qeueued":
UPDATE job
SET status = 0
FROM job j, service_registration s, host_registration h
WHERE host = 'http://x.y.z';
AND j.status = 2
AND j.operation = 'START_WORKFLOW'
AND j.processor_svc = s.id
AND s.host_reg = h.id
Tobias
On 30.08.2011, at 12:59, Nathan Cameron wrote:
Hello all,
Yesterday the core computer in our system that handles video processing
and distribution got overloaded and the matterhorn service stopped
altogether. I knew of no alternative but to restart the service. It was
processing several recordings when this happened. Upon restarting the web
UI many of the recordings initially showed they were in the same place they
were before, and a few failed completely. It's been approximately 7 hours
since I did the restart, and none of the recordings' states have changed.
My question then: Is there some way to force the core to resume processing
on half processed files?
I'm also wondering if there is a way to take one of the raw capture folders
on a given capture agent and upload it to the media module. For example,
the recordings that failed have full audio and video. I know they would
have successfully processed apart from the system error. How do I take one
of those folders from the capture agent (like a 2677) and get it to retry?
Is there a specific file from the folder I must upload?
Any help here is appreciated. Until I can upgrade some more of our
hardware I'm going to be running into these issues.
Thank You,
Nathan
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