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http://opencast.jira.com/browse/MH-9225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=32697#comment-32697
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Tobias Wunden edited comment on MH-9225 at 1/8/13 9:58 PM:
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Looking at the 1.3 codebase I see exactly two ways of getting a workflow into
PAUSED state:
1) calling the pause method on the rest endpoint, which seems unlikely (I am
not aware of any service or ui that is using it)
2) returning WorkflowOperationResult.Action.PAUSE as the result of a workflow
operation handler
This means that there would be a workflow operation in the workflow that is
calling pause due to its workflow configuration (such as hold for trim) or due
to a programmatic error. Next to the obvious ones like trimming, I am looking at
* ScheduleWorkflowOperationHandler
* CaptureWorkflowOperationHandler
* IngestWorkflowOperationHandler
all of which are used in case of a scheduled recording to represent the state
of a recording while the recording is scheduled, ongoing on the capture agent
or in ingest state. The capture agent will usually report back the capture
state to the capture agent state service, leading the service to eventually
udpate the workflow and move it to the next step.
So the reason for a workflow suddenly going into "PAUSED" state may be that
there is a conflict between the capture agent ingesting the recording, in which
case the recording starts to be processed, and the capture agent state service
that is "manually" moving the workflow forward (actually backward) at the same
time, because this update routine is only running every once in a while.
was (Author: twunden):
Looking at the 1.3 codebase I see exactly two ways of getting a workflow
into PAUSED state:
1) calling the pause method on the rest endpoint, which seems unlikely (I am
not aware of any service or ui that is using it)
2) returning WorkflowOperationResult.Action.PAUSE as the result of a workflow
operation handler
This means that there would be a workflow operation in the workflow that is
calling pause due to its workflow configuration (such as hold for trim) or due
to a programmatic error. Next to the obvious ones like trimming, I am looking at
* ScheduleWorkflowOperationHandler
* CaptureWorkflowOperationHandler
* IngestWorkflowOperationHandler
all of which are used in case of a scheduled recording to represent the state
of a recording while the recording is scheduled, ongoing on the capture agent
or in ingest state. The capture agent will usually report back the capture
state to the capture admin, leading the capture admin to udpate the workflow
and move it to the next step.
So the reason for a workflow suddenly going into "PAUSED" state may be that
there is a conflict between the capture agent ingesting the recording, in which
case the recording starts to be processed, and the capture admin that is
"manually" moving the workflow forward (actually backward) at the same time,
because this update routine is only running every once in a while.
> Workflows automatically go into hold state after inspect but resume
> processing correctly with a nudge from the resume workflow endpoint
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MH-9225
> URL: http://opencast.jira.com/browse/MH-9225
> Project: Matterhorn Project
> Issue Type: Bug
> Components: Administrative Tools
> Affects Versions: 1.4, 1.3, 1.2
> Reporter: Adam McKenzie
> Assignee: Adam McKenzie
> Priority: Critical
>
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