Unknown compression method from server

Testing
1

Hi.
I updated all clients from 2.5.3 to 2.5.9 and the server to 2.5.16.
On a raspberry pi 3 (kernel 5.4.72+) a got the error ‘Unknown compression method from server: “zstd”’.

Anyone an idea?

2

Looks like the fallback to zlib is broken and zstd is missing. Did you compile the client yourself? With or without zstd (apt install libzstd-dev/--enable-embedded-zstd)?

3

I have this error in the server log with windows 10 clients.

4

That can’t be. The error message is only present in clients.

5

I’ll go back to 2.5.9 client and test.

6

OK. It is working now, but a few days ago I had a situation when a message regarding the unavailability of ZSTD compression was being logged by the server. Could that happen with 2.5.9 client and a downlevel server ? I had some difficulties with my FreeNAS jail and cycled through a few server versions.

7

I took the client from https://beta.urbackup.org/Client/2.5.9%20beta
I updated the client on the server and the server updated all clients.

The error message is in the client log and only on the raspberry pi.
Libzstd1 is installed.

On a second arm device (odroid XU4) the client is working well.
Should I try to reinstall the client directly with ‘UrBackup Client Linux 2.5.9 beta.sh’?

I tried to reinstall 2.5.9 without success. Now I downgraded to 2.5.7. This client started a backup but it failed with errorcode: BASE_DIR_LOST (7)

Supplement:
A second run works well with client 2.5.7

8

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