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disappearing data attribute #48

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ethansiegl opened this issue Jun 3, 2020 · 1 comment
Open

disappearing data attribute #48

ethansiegl opened this issue Jun 3, 2020 · 1 comment

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@ethansiegl
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ethansiegl commented Jun 3, 2020 •
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Sometimes after an error/exception has been thrown in the onHandleMetric code, the data which is passed to the javascript disappears. In other words, when trying to extract data from ctrl.data[0].datapoints, the value will be empty after an exception where previously it had a value.

The only way to restore the data is to delete the panel and create a new one.

I have seen this behavior when using the SVG panel with an elasticsearch datasource
@MarcusCalidus
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Is there a way to reliably reproduce this behaviour?
The only way I currently think this could happen is when the onDataReceived Event within the control is not raised anymore.
Which version of Grafana are you using?

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@MarcusCalidus @ethansiegl