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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