scottyaslan commented on issue #3606: [WIP] Nifi 6282 URL: https://github.com/apache/nifi/pull/3606#issuecomment-523956904 > I also find that when I apply updates to the Parameter Context, the dialog on the right-hand side shows which components are affected, rolled up by group. If I expand a group, and then the dialog refreshes (for instance, goes from all steps 'pending' to all steps complete), the group that I have expanded collapses back down, showing just the groups and not the components below them. > > I also see that when the request completes, that the dialog shows all steps with a green checkmark, and the JSON coming back shows `"percentComplete": 100` and `"complete": true` but the dialog still shows a 'Cancel' button instead of an OK. Once I click Cancel, it changes to OK. On a related note, when I do click Cancel, I do not see a DELETE request fired off for the appropriate `update-request`. When I do update the Parameters, I also see the 'spinning circle of death' and a JavaScript error. In Chrome Dev Tools, it shows: > > ``` > slick.dataview.js:359 Uncaught Error: Invalid or non-matching id > at DataView.updateItem (slick.dataview.js:359) > at aj (nf-canvas-all.js?1.10.0-SNAPSHOT:50) > at Object.<anonymous> (nf-canvas-all.js?1.10.0-SNAPSHOT:50) > at c (jquery.min.js:2) > at Object.fireWith [as resolveWith] (jquery.min.js:2) > at l (jquery.min.js:2) > at XMLHttpRequest.<anonymous> (jquery.min.js:2) > ``` > > Of course, this is minified so may not be very helpful. @markap14 I have updated the UX such that the groups of referenced components in the parameter usage section is expanded by default. I don't believe this solves the issue since now a user could still collapse a group and then if they apply an update to the parameter each poll for the update complete will re-render the groups of 'twisties' fully expanded. However, it does seem to alleviate the issue and the implementation is functionally correct. I have filled https://issues.apache.org/jira/browse/NIFI-6580 to improve the parameters usage UX.
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