ValueError: Session requires a `session_id` #757

vn-ki · 2018-07-15T20:05:41Z

vn-ki
Jul 15, 2018

I am getting the following error in all configurations. (I tried the config from the readme as well)

Traceback (most recent call last):
  File "/home/vn-ki/.local/bin/tmuxp", line 11, in <module>
    load_entry_point('tmuxp==1.4.0', 'console_scripts', 'tmuxp')()
  File "/usr/lib/python3.6/site-packages/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/usr/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3.6/site-packages/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/lib/python3.6/site-packages/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/vn-ki/.local/lib/python3.6/site-packages/tmuxp/cli.py", line 602, in command_load
    load_workspace(config[-1], **tmux_options)
  File "/home/vn-ki/.local/lib/python3.6/site-packages/tmuxp/cli.py", line 328, in load_workspace
    builder.build()
  File "/home/vn-ki/.local/lib/python3.6/site-packages/tmuxp/workspacebuilder.py", line 141, in build
    session_name=self.sconf['session_name']
  File "/home/vn-ki/.local/lib/python3.6/site-packages/libtmux/server.py", line 511, in new_session
    session = Session(server=self, **session)
  File "/home/vn-ki/.local/lib/python3.6/site-packages/libtmux/session.py", line 42, in __init__
    raise ValueError('Session requires a `session_id`')
ValueError: Session requires a `session_id`

mayanksuman · 2018-12-26T06:43:22Z

mayanksuman
Dec 26, 2018

The same error occurs for me. I am using following versions of programs/libraries.

tmuxp 1.4.2
libtmux 0.8.0
python 3.6.8
tmux 2.8

I have also checked with git master (@03de018) version of tmuxp, the problem still exist.

0 replies

trodery · 2019-03-22T18:19:00Z

trodery
Mar 22, 2019

I too had this issue and I took the time to dig a bit deeper into it as I had one environment where I saw the expected (non-broken) behavior and another with the ValueError: Session requires a 'session_id' problem.

There is command that is ran via subprocess (I believe) which invokes tmux to provide some information in a tab delimited format for parsing. Here's a screenshot showing the command/syntax that is issued to tmux outlined in red:

This screenshot shows the output that is returned from that command (outlined in red) and as you can see it is not tab delimited.

The environment that was broken was a docker container, and as it turns out, I had been a bit lazy in its creation and skipped the locale generation part. After properly setting up all the locale and my shell's LANG environment variable to en_US.utf8, everything started working as expected.

Analyzing the output again in the debugger shows the properly formatted string.

TL;DR - Check your locale settings and shell LANG variable as the string libtmux is expecting to see when invoking tmux is improperly formatted.

0 replies

mayanksuman · 2019-03-25T06:55:59Z

mayanksuman
Mar 25, 2019

@trodery Can you please post the output of locale command in bash. I have tested my locale and LANG variable and they all seem to be fine. Other softwares do not have any issue with my locale setting.

My locale is set to

LANG=en_IN
LANGUAGE=
LC_CTYPE="en_IN"
LC_NUMERIC=en_IN.UTF-8
LC_TIME=en_IN.UTF-8
LC_COLLATE="en_IN"
LC_MONETARY=en_IN.UTF-8
LC_MESSAGES="en_IN"
LC_PAPER=en_IN.UTF-8
LC_NAME="en_IN"
LC_ADDRESS="en_IN"
LC_TELEPHONE="en_IN"
LC_MEASUREMENT=en_IN.UTF-8
LC_IDENTIFICATION="en_IN"
LC_ALL=

Hence, I suspect that the tmuxp might not support any other English locale except en_US.UTF-8.

0 replies

trodery · 2019-03-25T12:35:46Z

trodery
Mar 25, 2019

Here's the output prior to moving to an English locale:

LANG=
LANGUAGE=
LC_CTYPE="POSIX"
LC_NUMERIC="POSIX"
LC_TIME="POSIX"
LC_COLLATE="POSIX"
LC_MONETARY="POSIX"
LC_MESSAGES="POSIX"
LC_PAPER="POSIX"
LC_NAME="POSIX"
LC_ADDRESS="POSIX"
LC_TELEPHONE="POSIX"
LC_MEASUREMENT="POSIX"
LC_IDENTIFICATION="POSIX"
LC_ALL=

The only other problem I experienced was with click which demanded a UTF-8 locale.

0 replies

rosshadden · 2019-07-09T20:46:38Z

rosshadden
Jul 9, 2019

I have this problem, but didn't used to. The only thing I know of that changed somewhat recently was tmux itself, which is now 2.9a.

0 replies

sica07 · 2019-12-13T09:12:30Z

sica07
Dec 13, 2019

I have the very same problem since last evening (after a system update)

0 replies

trodery · 2019-12-13T16:04:09Z

trodery
Dec 13, 2019

@sica07 What's the output of the locale command in bash?

0 replies

tony · 2019-12-15T13:10:44Z

tony
Dec 15, 2019
Maintainer

@mayanksuman If it possible to try doing LANG set to en_IN.UTF-8? Can you let me know the session name in unicode? (I guess just pasting it here would be sufficient). As well as python -V, tmux -V and tmuxp -V

Hence, I suspect that the tmuxp might not support any other English locale except en_US.UTF-8.

Potentially. I have a feeling it may be click or tmux wanting UTF-8.

http://click.palletsprojects.com/en/5.x/python3/#python-3-surrogate-handling

@trodery Can you let me know the session name being used ? As well as python -V, tmux -V and tmuxp -V?

@rosshadden @sica07 Can you let me know the output of locale, tmux -V, tmuxp -V and python -V?

0 replies

tony · 2019-12-15T13:11:46Z

tony
Dec 15, 2019
Maintainer

@vn-ki Can you show your session yaml file, locale, python -V, tmux -V, tmuxp -V and the command you're using to load the file?

0 replies

trodery · 2019-12-17T01:30:47Z

trodery
Dec 17, 2019

@tony Unfortunately that was so long ago that I don't even remember what I was using it for at the time. It is no longer being used. Python was 3.6 but that's all I remember.

0 replies

sica07 · 2019-12-19T10:40:17Z

sica07
Dec 19, 2019

@tony

$ locale
LANG=en_US.utf8
LANGUAGE=en_US.utf8
LC_CTYPE="en_US.utf8"
LC_NUMERIC="en_US.utf8"
LC_TIME="en_US.utf8"
LC_COLLATE="en_US.utf8"
LC_MONETARY="en_US.utf8"
LC_MESSAGES="en_US.utf8"
LC_PAPER="en_US.utf8"
LC_NAME="en_US.utf8"
LC_ADDRESS="en_US.utf8"
LC_TELEPHONE="en_US.utf8"
LC_MEASUREMENT="en_US.utf8"
LC_IDENTIFICATION="en_US.utf8"
LC_ALL=en_US.utf8

 $ python -V
Python 2.7.13

$ tmuxp -V
tmuxp 1.5.4

0 replies

em-winterschon · 2020-03-10T20:16:49Z

em-winterschon
Mar 10, 2020

I ran into the same issue as the original bug report while using tmux 3.0a and tmuxp 1.5.4. Setting the following in ~/.bash_locale and then sourcing it at the end of my .bashrc file resolved the issue.

I have tmux installed as a compiled binary from the release page source, and tmuxp was installed via pip3, using Python 3.5.2.

## Use UTF-8 everywhere                                        
export LANG=en_US.utf8                                         
export LANGUAGE=en_US.utf8                                     
export LC_CTYPE="en_US.utf8"                                   
export LC_NUMERIC="en_US.utf8"                                 
export LC_TIME="en_US.utf8"                                    
export LC_COLLATE="en_US.utf8"                                 
export LC_MONETARY="en_US.utf8"
export LC_MESSAGES="en_US.utf8"
export LC_PAPER="en_US.utf8"                                   
export LC_NAME="en_US.utf8"                                    
export LC_ADDRESS="en_US.utf8"                                 
export LC_TELEPHONE="en_US.utf8"
export LC_MEASUREMENT="en_US.utf8"
export LC_IDENTIFICATION="en_US.utf8"
export LC_ALL=en_US.utf8

0 replies

bjornfor · 2020-03-14T16:01:37Z

bjornfor
Mar 14, 2020

I know I have some locale issues when running tmuxp from Nixpkgs on Ubuntu, but still think this issue should not happen.

Here is how it can be reproduced (by setting LC_ALL=C):

$ cat test.yaml 
session_name: issue-405
windows:
- panes:
    - echo did it load properly or die with a python traceback?

$ LC_ALL=C tmuxp load ./test.yaml
[...]
ValueError: Session requires a `session_id`

0 replies

dAnjou · 2020-11-20T16:47:54Z

dAnjou
Nov 20, 2020

Hi, I'm having the same problem.

MacOS 10.15.7
iTerm2 3.3.12
tmux 3.1c
tmuxp 1.6.2
zsh 5.8 (x86_64-apple-darwin19.3.0)
Python 3.8.6

locale

LANG="en_US.utf8"
LC_COLLATE="C"
LC_CTYPE="C"
LC_MESSAGES="C"
LC_MONETARY="C"
LC_NUMERIC="C"
LC_TIME="C"
LC_ALL="C"

env | grep "^LC"

LC_TERMINAL_VERSION=3.3.12
LC_CTYPE=en_US.utf8
LC_TERMINAL=iTerm2
LC_ALL=en_US.utf8
LC_NUMERIC=en_US.utf8
LC_TIME=en_US.utf8
LC_COLLATE=en_US.utf8
LC_MONETARY=en_US.utf8
LC_MESSAGES=en_US.utf8
LC_PAPER=en_US.utf8
LC_NAME=en_US.utf8
LC_ADDRESS=en_US.utf8
LC_TELEPHONE=en_US.utf8
LC_MEASUREMENT=en_US.utf8
LC_IDENTIFICATION=en_US.utf8

env | grep "^LANG"

LANG=en_US.utf8
LANGUAGE=en_US.utf8

Here's a screencast of what is happening:

And here's the code of my script:

from libtmux import Server

if __name__ == '__main__':
    server = Server()
    if server.has_session("kubernetes-cluster-test"):
        session = server.attach_session("kubernetes-cluster-test")
    else:
        session = server.new_session("kubernetes-cluster-test", attach=True)
    try:
        window = session.select_window("kubernetes-cluster-test")
    except:
        window = session.new_window("kubernetes-cluster-test", attach=True)
    print(window.panes)

0 replies

Kxrr · 2021-05-11T08:19:55Z

Kxrr
May 11, 2021

I also encountered this problem, and after debugging, I found that the method libtmux.server.Server._list_sessions uses \t to slice different columns, but in some environments the data returned by proc.stderr is not slice by \t.

The fix is to change the sliced character to something else, e.g. ||||

0 replies

grammoboy2 · 2022-03-13T22:53:33Z

grammoboy2
Mar 13, 2022

Same here:

Traceback (most recent call last):
File "/usr/bin/tmuxp", line 33, in
sys.exit(load_entry_point('tmuxp==1.9.4', 'console_scripts', 'tmuxp')())
File "/usr/lib/python3.10/site-packages/click/core.py", line 1128, in call
return self.main(*args, **kwargs)
File "/usr/lib/python3.10/site-packages/click/core.py", line 1053, in main
rv = self.invoke(ctx)
File "/usr/lib/python3.10/site-packages/click/core.py", line 1659, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/lib/python3.10/site-packages/click/core.py", line 1395, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/lib/python3.10/site-packages/click/core.py", line 754, in invoke
return __callback(*args, **kwargs)
File "/usr/lib/python3.10/site-packages/click/decorators.py", line 26, in new_func
return f(get_current_context(), *args, **kwargs)
File "/usr/lib/python3.10/site-packages/tmuxp/cli.py", line 1096, in command_load
load_workspace(config[-1], **tmux_options)
File "/usr/lib/python3.10/site-packages/tmuxp/cli.py", line 683, in load_workspace
if builder.session_exists(session_name) and not append:
File "/usr/lib/python3.10/site-packages/tmuxp/workspacebuilder.py", line 107, in session_exists
self.session = self.server.find_where({'session_name': session_name})
File "/usr/lib/python3.10/site-packages/libtmux/common.py", line 316, in find_where
return self.where(attrs)[0]
File "/usr/lib/python3.10/site-packages/libtmux/common.py", line 347, in where
return list(filter(by, self.children))
File "/usr/lib/python3.10/site-packages/libtmux/server.py", line 185, in sessions
return self.list_sessions()
File "/usr/lib/python3.10/site-packages/libtmux/server.py", line 180, in list_sessions
return [Session(server=self, **s) for s in self._sessions]
File "/usr/lib/python3.10/site-packages/libtmux/server.py", line 180, in
return [Session(server=self, **s) for s in self._sessions]
File "/usr/lib/python3.10/site-packages/libtmux/session.py", line 57, in init
raise ValueError('Session requires a session_id')
ValueError: Session requires a session_id

0 replies

tony · 2022-03-13T23:47:51Z

tony
Mar 13, 2022
Maintainer

@grammoboy2 Can you also provide the configuration you're using and tmuxp debug-info

0 replies

grammoboy2 · 2022-03-14T09:30:42Z

grammoboy2
Mar 14, 2022

session_name: 3-panes
windows:

window_name: dev window
layout: main-vertical
shell_command_before:
- cd ~/
  panes:
- shell_command:
  - cd /var/log
  - ls -al | grep .log
- echo hello
- echo hello

debug.txt

0 replies

tony · 2022-03-14T10:53:19Z

tony
Mar 14, 2022
Maintainer

I also encountered this problem, and after debugging, I found that the method libtmux.server.Server._list_sessions uses \t to slice different columns, but in some environments the data returned by proc.stderr is not slice by \t.

The fix is to change the sliced character to something else, e.g. ||||

If you use the prerelease version of tmuxp and libtmux, does passing env LIBTMUX_TMUX_FORMAT_SEPARATOR="|||" tmuxp load [session] work?

pip install --user --upgrade --pre tmuxp libtmux

0 replies

tony · 2022-03-14T10:54:04Z

tony
Mar 14, 2022
Maintainer

@grammoboy2 Thank you

Output of locale, env | grep "^LC", env | grep "^LANG"

0 replies

grammoboy2 · 2022-03-14T12:06:42Z

grammoboy2
Mar 14, 2022

$ locale
LANG=C
LC_CTYPE="C"
LC_NUMERIC="C"
LC_TIME="C"
LC_COLLATE="C"
LC_MONETARY="C"
LC_MESSAGES="C"
LC_PAPER="C"
LC_NAME="C"
LC_ADDRESS="C"
LC_TELEPHONE="C"
LC_MEASUREMENT="C"
LC_IDENTIFICATION="C"
LC_ALL=

$ env | grep "^LC"
no output

$ env | grep "^LANG"
LANG=C

0 replies

tony · 2022-03-14T12:17:52Z

tony
Mar 14, 2022
Maintainer

@grammoboy2 Does setting this work? #405 (comment)

0 replies

grammoboy2 · 2022-03-14T12:57:15Z

grammoboy2
Mar 14, 2022

That works, this works too:

$ unset LANG
$ source /etc/profile.d/locale.sh

Note that the session still seems to start when giving that session_id error, cause when I start it after I did the locale thing, it ask to attach to a running session.

This works in st-term, but in lxterminal, I get strange border characters

0 replies

grammoboy2 · 2022-03-14T13:16:20Z

grammoboy2
Mar 14, 2022

lxterminal

0 replies

tony · 2022-03-14T13:30:25Z

tony
Mar 14, 2022
Maintainer

@grammoboy2 I notice its arch. Is this distro fully configured yet? Arch has a lot of manual setup involved. It may be more of a general terminal troubleshooting issue than a tmuxp one. Not sure yet. Maybe its the locale not being setup.

Does this work?

https://wiki.archlinux.org/title/locale#Setting_the_system_locale/ / https://wiki.archlinux.org/title/Installation_guide#:~:text=standard%20for%20details.-,Localization,-Edit
logging out and logging into the shell
then running tmuxp load [session name/file]

I believe instead of LANG=C, LC_CTYPE="C" and so on, you may want to use LANG=en_US.UTF-8.

1 reply

grammoboy2 Mar 14, 2022

Editing /etc/locale.conf and a reboot solved it, thx.
$ locale
LANG=en_US.UTF-8
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=

ValueError: Session requires a session_id #757

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ValueError: Session requires a `session_id` #757

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