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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (NIFI-2251) Restore lineage graph export
Date Thu, 01 Sep 2016 02:25:20 GMT


ASF GitHub Bot commented on NIFI-2251:

GitHub user YolandaMDavis opened a pull request:

    NIFI-2251 - Initial commit for client side provenance lineage svg download

    This provides a client side solution for downloading the svg lineage graph file (essentially
replacing the functionality of the DownloadSVG servlet).  There are two different download
models supported (both methods using data URI for content delivery):
    1) If the user clicks the download button, and the download anchor tag attribute is supported
by the browser, then NiFi will automatically trigger a hidden link with the data URI referenced
for file content and a file name provided for the download attribute. This will allow the
browser to prompt the user to save the file with the given filename to their local drive.
    2) If the download attribute is not supported (e.g. Safari) then a separate tab will open
displaying the svg file which can then be saved by the user using the browser's "Save As"

You can merge this pull request into a Git repository by running:

    $ git pull NIFI-2251

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #982
commit eddab945e2ef2462ed652259f250564a1199dd5d
Author: Yolanda M. Davis <>
Date:   2016-09-01T01:04:49Z

    NIFI-2251 - Initial commit for client side provenance lineage svg download.


> Restore lineage graph export
> ----------------------------
>                 Key: NIFI-2251
>                 URL:
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core UI
>            Reporter: Matt Gilman
>            Assignee: Yolanda M. Davis
>             Fix For: 1.1.0
> Restore the lineage graph download/export using client side methods/technologies to prevent
unnecessary trips to the server.

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