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https://issues.apache.org/jira/browse/GUACAMOLE-2018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Jumper updated GUACAMOLE-2018:
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Fix Version/s: 1.6.1
> Session recording playback may fail in drawImage() if width or height are zero
> ------------------------------------------------------------------------------
>
> Key: GUACAMOLE-2018
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-2018
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole-common-js
> Reporter: Mike Jumper
> Assignee: Mike Jumper
> Priority: Minor
> Fix For: 1.6.1
>
>
> If a session recording contains a layer with a width or height of zero,
> in-browser playback of that recording will fail with the following error:
> {quote}
> InvalidStateError: Failed to execute 'drawImage' on
> 'CanvasRenderingContext2D': The image argument is a canvas element with a
> width or height of 0.
> {quote}
> This is because we are converting each layer to canvases regardless of the
> dimensions of those layers. There is a width/height check, but that check
> only avoids making use of the canvas. The function to produce the canvas is
> still called and fails.
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