Bug #5253: SpanToDT timestamp bug - Kepler - Ecoinformatics Redmine

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Bug #5253

closed

SpanToDT timestamp bug

Added by Derik Barseghian over 13 years ago. Updated about 13 years ago.

Status:

Resolved

Priority:

Normal

Assignee:

Daniel Crawl

Category:

sensor-view

Target version:

sensor-view-0.9.0

Start date:

12/08/2010

Due date:

% Done:

Estimated time:

Bugzilla-Id:

5253

Description

SpanToDT has a bug that Dan and I tracked down today. DataTurbine outputs errors like:

Cannot add frame to gpp, it starts before the end of the previous frame.
       End of previous frame: 1.291854708E9    Start of new frame: 1.291854679E9

This is because a line in PeriodicReadFullMetadataThread uses the system that's running SpanToDT's clock:
SpanMetadata.SensorMetadata metadata = new SpanMetadata.SensorMetadata(fullName, new Date(), sensorMetadata);

derik_: why's that line using a new Date()? shouldn't it just use the corresponding sensor date?
crawl: SpanToDT periodically queries all the metadata for each sensor, the frequency set by that arg
crawl: in this case it comes from the control port, not the live metadata port
crawl: the fix is to use the timestamp in the response

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Updated by Derik Barseghian about 13 years ago

changing bugs from REAP to Kepler product

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Updated by Daniel Crawl about 13 years ago

This was fixed in r26493.

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Updated by Derik Barseghian about 13 years ago

I still get this error sometimes, e.g.

459 &lt;01-Apr-2011 Pacific Daylight Time 13:21:44.088&gt; &lt;gpp&gt;
    460    Reconnected with the following channels:
    461         CR800_Batt_Volt
    462         CR800_Batt_Volt_metadata
    463         CR800_sq311_1
    464         CR800_sq311_1_metadata
    465         CR800_sq311_2
    466         CR800_sq311_2_metadata
    467 &lt;01-Apr-2011 Pacific Daylight Time 13:22:42.118&gt; &lt;gpp&gt;
    468    Cannot add frame to gpp, it starts before the end of the previous frame.
    469         End of previous frame: 1.30171450367E9  Start of new frame: 1.301714502709E9