Encoded doc id, cannot open document or it's conflicts

[Nervniyak]

In our application we encode special characters in _id. But for some reason conflicts break the UI completely and clue to the issue can be seen in URL.

What I did is:

1. Created a document with _id = color_Yellow_2021-01-21T12%3A02%3A51.089Z in Angular PouchDB. Then I synced it to CouchDB (no problems at this point)
2. Opened my application 2 times and made both of them go offline, so no continuous syncing with CouchDB present.
3. I edited this color_Yellow_2021-01-21T12%3A02%3A51.089Z on both of the apps, producing 2 different revisions.
4. Synced first app with CouchDB and then second, CouchDB chose the "Server-Selected Rev" and both applications are working fine.
5. Try to open the color_Yellow_2021-01-21T12%3A02%3A51.089Z in Fauxton UI to see conflicts and I see empty page (clicked on the doc in all documents list)

The URL is http://127.0.0.1:5984/_utils/#database/recorder_recorder/color_Yellow_2021-01-21T12%253A02%253A51.089Z which is different from doc _id

After few tries with refreshing sometimes I manage to open the page:

But when I click on conflicts I get this

With interesting URL http://127.0.0.1:5984/_utils/#database/recorder_recorder/color_Yellow_2021-01-21T12%3A02%3A51.089Z/conflicts that is different from the one on previous page.

And if instead of clicking I go back and manually add /conflicts to the previous URL it loads properly:

URL is http://127.0.0.1:5984/_utils/#database/recorder_recorder/color_Yellow_2021-01-21T12%253A02%253A51.089Z/conflicts

It seems like Fauxton tries to do some encoding/decoding and fails producing broken URLs that lead to nowhere.

Environment

Fauxton on Apache CouchDB v. 2.3.1
PouchDB v. 7.2.1
Google Chrome version 87.0.4280.141
Windows 10 64bit

[Antonio Maranhao]

This issue was fixed in #1303. Fauxton was not generating the correct URL when the doc ID contains special characters such as %, just like in your example. If you type in the correct URL the Conflicts page opens fine as you described.

The URL is http://127.0.0.1:5984/_utils/#database/recorder_recorder/color_Yellow_2021-01-21T12%253A02%253A51.089Z which is different from doc _id

This is expected because color_Yellow_2021-01-21T12%253A02%253A51.089Z is the URL-encoded equivalent to your doc ID color_Yellow_2021-01-21T12%3A02%3A51.089Z

[Nervniyak]

Nice. So the fix is available in latest CouchDB v3?

[Antonio Maranhao]

No. The fix was merged a month ago so it should be on the next CouchDB release, though I can't say when that will be.