One specific file fails to upload while rest of them upload fine

📱 Desktop & mobile clients 🤖 Android
,
1

Hi!

My Nextcloud server is is on version 29.0.4 and my Nextcloud client is Nextcloud-android/3.29.2. In general upload works fine. But I have 1 photo that behaves differently.

image
image1242Ă—370 34.9 KB

As this screenshot of mitmproxy shows the normal successful upload sequence from android app seems to be 1) HEAD request 2) MKCOL request 3) PROPFIND request 4) PUT request 5) MOVE request 6) another PROPFIND request and 7) GET request.

However with 20240805_122523.jpg the sequence is different. After HEAD request the app does directly PUT request with out sending other types of requests. And that PUT request seems to have different pattern then normally. As you can see from screenshot this PUT request url ends with filename while the working upload example with some temporary name.

So question is what causes app to upload this one image differently and how do I fix that? The response to HEAD request seems to be same in both cases so I assume app has some bad cache? And as a result app says “Server is in maintenance mode”. If I try to upload that file again then it keeps saying it over and over again every time. But when I take new photos with my phone then they all get uploaded fine. It’s just few specific files that act up.

The server response in that bad case is:

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html>
<head>
  <title>503 Service Unavailable</title>
</head>
<body>
  <h1>Service Unavailable</h1>
  <p>
    The server is temporarily unable to service your
    request due to maintenance downtime or capacity
    problems. Please try again later.
  </p>
  <p>
    Additionally, a 503 Service Unavailable
    error was encountered while trying to use an ErrorDocument to handle the request.
  </p>
</body>
</html>
2

Chunking generally. It’s unnecessary for smaller files (e.g. those under <10 MB).

And as a result app says “Server is in maintenance mode”. If I try to upload that file again then it keeps saying it over and over again every time.

What does your server-side Nextcloud log (and, depending on where the problem is, your web server and reverse proxy error logs) indicate about these upload transactions?

My Nextcloud server is is on version 29.0.4

What was your install method? And can you share a bit more about your environment?

3

Server side log from /files/data/nextcloud.log

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I used installatron to install it. It’s Linux server with PHP 8.1.

But I find it hard to believe it’s sever’s fault because the client app itself seems to upload file differently.

4

I used installatron to install it.

Unfortunately that’s appears to be some third-party installer. It’s challenging to know what/how they did the installation.

It’s Linux server with PHP 8.1.

That’s vague. lol

But I find it hard to believe it’s sever’s fault because the client app itself seems to upload file differently.

That 503 is being logged somewhere. You need to track down the web server, proxy, etc. that is in front of the Nextcloud installation (i.e. the server/service that is returning a 503). It’s not Nextcloud generating that error from the logs you provided from Nextcloud itself. Clues will be in the web server’s error log.

Also might be interesting to do some testing via the Web UI/client rather than just the Android client.

5

That /files/data/nextcloud.log in my previous reply wasn’t enough?