V12 bench update fails while backing up sites

chrismberi · June 27, 2020, 11:20pm

I’m running
ERPNext: v12.9.4 (version-12)
Frappe Framework: v12.6.2 (version-12)

While trying to do a normal bench update, it just stops and goes back to command prompt with no error as follows:

bench update
/usr/lib/python2.7/site-packages/requests/init.py:91: RequestsDependencyWarning: urllib3 (1.25.7) or chardet (2.2.1) doesn’t match a supported version!
RequestsDependencyWarning)
Backing up sites…
[frappe@service frappe-bench]$

I have tried to look at the following logs but cannot find any hint
~logs/backup.log
~logs/bench.log
~logs/worker.error.log

Can anyone suggest how I can have a verbose output of this update process or suggest any other log file that can give me a clue as to what is happening and why bench update will not complete

chrismberi · June 29, 2020, 7:47pm

I’m trying to find the script that handles ‘bench update’

clarkej · June 29, 2020, 8:44pm

That’s here

github.com

frappe/bench/blob/develop/bench/commands/update.py

# imports - third party imports
import click

# imports - module imports
from bench.app import pull_apps
from bench.utils.bench import post_upgrade, patch_sites, build_assets


@click.command(
	"update",
	help="Performs an update operation on current bench. Without any flags will backup, pull, setup requirements, build, run patches and restart bench. Using specific flags will only do certain tasks instead of all",
)
@click.option("--pull", is_flag=True, help="Pull updates for all the apps in bench")
@click.option("--apps", type=str)
@click.option("--patch", is_flag=True, help="Run migrations for all sites in the bench")
@click.option("--build", is_flag=True, help="Build JS and CSS assets for the bench")
@click.option(
	"--requirements",
	is_flag=True,
	help="Update requirements. If run alone, equivalent to `bench setup requirements`",

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But the problem may be you are still running Python 2.7 that is no longer supported?

You need to run bench migrate-env python3

chrismberi · June 29, 2020, 9:40pm

Managed to update with command
bench update --no-backup

Not sure if my last migrate-env python3 did work as suggested @clarkej. Thought I was running python 3 but error suggest I may be running 2.7

clarkej · June 29, 2020, 10:07pm

This may fix that if you have not tried it

djtriple9 · November 3, 2020, 6:31pm

easy fix:

sudo ln -s /usr/lib/python2.7 /usr/lib/python3

Of course make sure python3.x is installed and you migrated you site(s) to use it.