code-server restarted endlessly by systemd with error listen EADDRINUSE #5001

snublueberry · 2022-03-20T07:22:23Z

snublueberry
Mar 20, 2022

Hello! I'm using code-server with ssh on ubuntu server installed in Raspberry Pi 4. I'm using a ssh client with termius android application, code-server was connected with local port forwarding through ssh host. (localhost:8080 (client) -> 127.0.0.1:34543 (host))

There has been no major problem running code-server and actually it works, but I just found this problem while looking through the system logs.
I start code-server through the system demon with sudo systemctl start code-server@$USER and monitored /var/log/syslog.

ubuntu@ubuntu:~$ tail -f /var/log/syslog

Mar 20 15:18:41 ubuntu code-server[1981]: [2022-03-20T06:18:41.170Z] info  Using config file ~/.config/code-server/config.yaml
Mar 20 15:18:41 ubuntu code-server[1981]: [2022-03-20T06:18:41.170Z] info  HTTP server listening on http://127.0.0.1:34543/
Mar 20 15:18:41 ubuntu code-server[1981]: [2022-03-20T06:18:41.170Z] info    - Authentication is disabled
Mar 20 15:18:41 ubuntu code-server[1981]: [2022-03-20T06:18:41.170Z] info    - Not serving HTTPS
Mar 20 15:27:03 ubuntu systemd[1]: Starting code-server...
Mar 20 15:27:03 ubuntu systemd[1]: Started code-server.
Mar 20 15:27:05 ubuntu code-server[2228]: [2022-03-20T06:27:05.833Z] info  code-server 4.1.0 9e620e90f53fb91338a2ba1aaa2e556d42ae52d5
Mar 20 15:27:05 ubuntu code-server[2228]: [2022-03-20T06:27:05.837Z] info  Using user-data-dir ~/.local/share/code-server
Mar 20 15:27:05 ubuntu code-server[2228]: [2022-03-20T06:27:05.855Z] error listen EADDRINUSE: address already in use 127.0.0.1:34543
Mar 20 15:27:05 ubuntu systemd[1]: [email protected]: Main process exited, code=exited, status=1/FAILURE
Mar 20 15:27:05 ubuntu systemd[1]: [email protected]: Failed with result 'exit-code'.
Mar 20 15:27:06 ubuntu systemd[1]: [email protected]: Scheduled restart job, restart counter is at 1.
Mar 20 15:27:06 ubuntu systemd[1]: Stopped code-server.
Mar 20 15:27:06 ubuntu systemd[1]: Starting code-server...
Mar 20 15:27:06 ubuntu systemd[1]: Started code-server.
Mar 20 15:27:08 ubuntu code-server[2255]: [2022-03-20T06:27:08.628Z] info  code-server 4.1.0 9e620e90f53fb91338a2ba1aaa2e556d42ae52d5
Mar 20 15:27:08 ubuntu code-server[2255]: [2022-03-20T06:27:08.632Z] info  Using user-data-dir ~/.local/share/code-server
Mar 20 15:27:08 ubuntu code-server[2255]: [2022-03-20T06:27:08.650Z] error listen EADDRINUSE: address already in use 127.0.0.1:34543
Mar 20 15:27:08 ubuntu systemd[1]: [email protected]: Main process exited, code=exited, status=1/FAILURE
Mar 20 15:27:08 ubuntu systemd[1]: [email protected]: Failed with result 'exit-code'.
Mar 20 15:27:08 ubuntu systemd[1]: [email protected]: Scheduled restart job, restart counter is at 2.
Mar 20 15:27:08 ubuntu systemd[1]: Stopped code-server.
Mar 20 15:27:08 ubuntu systemd[1]: Starting code-server...
Mar 20 15:27:08 ubuntu systemd[1]: Started code-server.
Mar 20 15:27:11 ubuntu code-server[2282]: [2022-03-20T06:27:11.367Z] info  code-server 4.1.0 9e620e90f53fb91338a2ba1aaa2e556d42ae52d5
Mar 20 15:27:11 ubuntu code-server[2282]: [2022-03-20T06:27:11.371Z] info  Using user-data-dir ~/.local/share/code-server
Mar 20 15:27:11 ubuntu code-server[2282]: [2022-03-20T06:27:11.389Z] error listen EADDRINUSE: address already in use 127.0.0.1:34543
Mar 20 15:27:11 ubuntu systemd[1]: [email protected]: Main process exited, code=exited, status=1/FAILURE
Mar 20 15:27:11 ubuntu systemd[1]: [email protected]: Failed with result 'exit-code'.
Mar 20 15:27:11 ubuntu systemd[1]: [email protected]: Scheduled restart job, restart counter is at 3.
Mar 20 15:27:11 ubuntu systemd[1]: Stopped code-server.
Mar 20 15:27:11 ubuntu systemd[1]: Starting code-server...
Mar 20 15:27:11 ubuntu systemd[1]: Started code-server.
Mar 20 15:27:14 ubuntu code-server[2309]: [2022-03-20T06:27:14.122Z] info  code-server 4.1.0 9e620e90f53fb91338a2ba1aaa2e556d42ae52d5
Mar 20 15:27:14 ubuntu code-server[2309]: [2022-03-20T06:27:14.126Z] info  Using user-data-dir ~/.local/share/code-server
Mar 20 15:27:14 ubuntu code-server[2309]: [2022-03-20T06:27:14.142Z] error listen EADDRINUSE: address already in use 127.0.0.1:34543
Mar 20 15:27:14 ubuntu systemd[1]: [email protected]: Main process exited, code=exited, status=1/FAILURE
Mar 20 15:27:14 ubuntu systemd[1]: [email protected]: Failed with result 'exit-code'.
Mar 20 15:27:14 ubuntu systemd[1]: [email protected]: Scheduled restart job, restart counter is at 4.
Mar 20 15:27:14 ubuntu systemd[1]: Stopped code-server.
Mar 20 15:27:14 ubuntu systemd[1]: Starting code-server...
Mar 20 15:27:14 ubuntu systemd[1]: Started code-server.
:
:
:
Mar 20 15:52:05 ubuntu code-server[16980]: [2022-03-20T06:52:05.926Z] info  code-server 4.1.0 9e620e90f53fb91338a2ba1aaa2e556d42ae52d5           
Mar 20 15:52:05 ubuntu code-server[16980]: [2022-03-20T06:52:05.930Z] info  Using user-data-dir ~/.local/share/code-server                       
Mar 20 15:52:05 ubuntu code-server[16980]: [2022-03-20T06:52:05.955Z] error listen EADDRINUSE: address already in use 127.0.0.1:34543            
Mar 20 15:52:05 ubuntu systemd[1]: [email protected]: Main process exited, code=exited, status=1/FAILURE                                
Mar 20 15:52:05 ubuntu systemd[1]: [email protected]: Failed with result 'exit-code'.                                                   
Mar 20 15:52:06 ubuntu systemd[1]: [email protected]: Scheduled restart job, restart counter is at 525.                                 
Mar 20 15:52:06 ubuntu systemd[1]: Stopped code-server.                                                                                          
Mar 20 15:52:06 ubuntu systemd[1]: Starting code-server...                                                                                       
Mar 20 15:52:06 ubuntu systemd[1]: Started code-server.                                                                                          
Mar 20 15:52:09 ubuntu code-server[17010]: [2022-03-20T06:52:09.521Z] info  code-server 4.1.0 9e620e90f53fb91338a2ba1aaa2e556d42ae52d5           
Mar 20 15:52:09 ubuntu code-server[17010]: [2022-03-20T06:52:09.526Z] info  Using user-data-dir ~/.local/share/code-server                       
Mar 20 15:52:09 ubuntu code-server[17010]: [2022-03-20T06:52:09.547Z] error listen EADDRINUSE: address already in use 127.0.0.1:34543            
Mar 20 15:52:09 ubuntu systemd[1]: [email protected]: Main process exited, code=exited, status=1/FAILURE                                
Mar 20 15:52:09 ubuntu systemd[1]: [email protected]: Failed with result 'exit-code'.                                                   
Mar 20 15:52:09 ubuntu systemd[1]: [email protected]: Scheduled restart job, restart counter is at 526.                                 
Mar 20 15:52:09 ubuntu systemd[1]: Stopped code-server.                                                                                          
Mar 20 15:52:09 ubuntu systemd[1]: Starting code-server...                                                                                       
Mar 20 15:52:09 ubuntu systemd[1]: Started code-server.                                                                                          
Mar 20 15:52:13 ubuntu code-server[17040]: [2022-03-20T06:52:13.025Z] info  code-server 4.1.0 9e620e90f53fb91338a2ba1aaa2e556d42ae52d5           
Mar 20 15:52:13 ubuntu code-server[17040]: [2022-03-20T06:52:13.029Z] info  Using user-data-dir ~/.local/share/code-server                       
Mar 20 15:52:13 ubuntu code-server[17040]: [2022-03-20T06:52:13.050Z] error listen EADDRINUSE: address already in use 127.0.0.1:34543            
Mar 20 15:52:13 ubuntu systemd[1]: [email protected]: Main process exited, code=exited, status=1/FAILURE                                
Mar 20 15:52:13 ubuntu systemd[1]: [email protected]: Failed with result 'exit-code'.                                                   
Mar 20 15:52:13 ubuntu systemd[1]: [email protected]: Scheduled restart job, restart counter is at 527.                                 
Mar 20 15:52:13 ubuntu systemd[1]: Stopped code-server.                                                                                          
Mar 20 15:52:13 ubuntu systemd[1]: Starting code-server...                                                                                       
Mar 20 15:52:13 ubuntu systemd[1]: Started code-server.
:
:

This endlessly repeated schedules devoured my resources of raspi4.

I did stop code-server service and killed process which looked up by lsof -i , but it doesn't work. After this try I start code-server with systemctl, this problem recur.
I really don't know how to stop this endlessly repeat... and why I can use code-server nevertheless..

I would be very grateful if you could help me solve this problem. Thank you.

edited 22.03.20 17:16:
I had stop code-server@$USER.service (I had only one account in my ubuntu server), but nevertheless I can connect code-server and it's still working.

edited 22.03.01 00:34:
I used the lsof -i command so I could find the port status used only by code-server. (Followed codes) But when I kill it with kill -9 [PID] command, it came back about 2~3 seconds later. The code-server@$USER.service is loaded but inactive. (stopped & disabled)

ubuntu@ubuntu:~$ lsof -i                                                                                                                         
COMMAND  PID   USER   FD   TYPE DEVICE SIZE/OFF NODE NAME                                                                                        
node    1455 ubuntu   19u  IPv4  31904      0t0  TCP localhost:34543 (LISTEN)                                                                    
ubuntu@ubuntu:~$ kill -9 1455                                                                                                                    
ubuntu@ubuntu:~$ lsof -i                                                                                                                         
ubuntu@ubuntu:~$ lsof -i                                                                                                                         
ubuntu@ubuntu:~$ lsof -i                                                                                                                         
COMMAND  PID   USER   FD   TYPE DEVICE SIZE/OFF NODE NAME                                                                                        
node    1523 ubuntu   19u  IPv4  31942      0t0  TCP localhost:34543 (LISTEN)

ubuntu@ubuntu:~$ systemctl status code-server@$USER                                                                                              
● [email protected] - code-server                                                                                                            
Loaded: loaded (/lib/systemd/system/[email protected]; disabled; vendor preset: enabled)                                                      
Active: inactive (dead)

ubuntu@ubuntu:~$ tail -27 /var/log/syslog                                                                                                        
Mar 21 00:00:49 ubuntu systemd[1]: systemd-tmpfiles-clean.service: Succeeded.                                                                    
Mar 21 00:00:49 ubuntu systemd[1]: Finished Cleanup of Temporary Directories.                                                                    
Mar 21 00:07:24 ubuntu systemd[965]: code-server.service: Succeeded.                                                                             
Mar 21 00:07:24 ubuntu systemd[965]: code-server.service: Scheduled restart job, restart counter is at 1.                                        
Mar 21 00:07:24 ubuntu systemd[965]: Stopped code-server.                                                                                        
Mar 21 00:07:24 ubuntu systemd[965]: Starting code-server...                                                                                     
Mar 21 00:07:24 ubuntu systemd[965]: Started code-server.                                                                                        
Mar 21 00:07:26 ubuntu code-server[1436]: [2022-03-20T15:07:26.920Z] info  code-server 4.1.0 9e620e90f53fb91338a2ba1aaa2e556d42ae52d5            
Mar 21 00:07:26 ubuntu code-server[1436]: [2022-03-20T15:07:26.924Z] info  Using user-data-dir ~/.local/share/code-server                        
Mar 21 00:07:26 ubuntu code-server[1436]: [2022-03-20T15:07:26.980Z] info  Using config file ~/.config/code-server/config.yaml                   
Mar 21 00:07:26 ubuntu code-server[1436]: [2022-03-20T15:07:26.981Z] info  HTTP server listening on http://127.0.0.1:34543/                      
Mar 21 00:07:26 ubuntu code-server[1436]: [2022-03-20T15:07:26.981Z] info    - Authentication is disabled                                        
Mar 21 00:07:26 ubuntu code-server[1436]: [2022-03-20T15:07:26.981Z] info    - Not serving HTTPS                                                 
Mar 21 00:17:01 ubuntu CRON[1488]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)                                                   
Mar 21 00:19:59 ubuntu systemd[965]: code-server.service: Succeeded.                                                                             
Mar 21 00:19:59 ubuntu systemd[965]: code-server.service: Scheduled restart job, restart counter is at 2.                                        
Mar 21 00:19:59 ubuntu systemd[965]: Stopped code-server.                                                                                        
Mar 21 00:19:59 ubuntu systemd[965]: Starting code-server...                                                                                     
Mar 21 00:19:59 ubuntu systemd[965]: Started code-server.                                                                                        
Mar 21 00:20:01 ubuntu code-server[1503]: [2022-03-20T15:20:01.918Z] info  code-server 4.1.0 9e620e90f53fb91338a2ba1aaa2e556d42ae52d5            
Mar 21 00:20:01 ubuntu code-server[1503]: [2022-03-20T15:20:01.922Z] info  Using user-data-dir ~/.local/share/code-server                        
Mar 21 00:20:01 ubuntu code-server[1503]: [2022-03-20T15:20:01.978Z] info  Using config file ~/.config/code-server/config.yaml                   
Mar 21 00:20:01 ubuntu code-server[1503]: [2022-03-20T15:20:01.978Z] info  HTTP server listening on http://127.0.0.1:34543/                      
Mar 21 00:20:01 ubuntu code-server[1503]: [2022-03-20T15:20:01.978Z] info    - Authentication is disabled                                        
Mar 21 00:20:01 ubuntu code-server[1503]: [2022-03-20T15:20:01.979Z] info    - Not serving HTTPS

Answered by snublueberry

Jul 3, 2022

I've tried some ways to solve with your thankful suggests, but I still don't know why. I think there was a problem with the multiple connection of ssh with the same id. (But I'm not sure at all)
Now, I'm using it with https connection and it works well.

View full answer

jsjoeio · 2022-03-23T17:46:04Z

jsjoeio
Mar 23, 2022

I am not super familiar with systemctl. If you run code-server as a binary with code-server, does the same problem happen?

6 replies

snublueberry Mar 26, 2022
Author

I don't know why, but when I killed the code-server service process which was port listening, the process was no longer alive as before. Then it normally works when I run code-server as a binary as you mentioned.

snublueberry Mar 26, 2022
Author

But I can't still use scheduler with systemd by systemctl.

im-coder-lg Mar 27, 2022

@jsjoeio could this mean that systemd is now disabled in code-server for the time being?

jsjoeio Mar 28, 2022

Hmm...to be honest, I'm not super familiar with systemctl so I can't say for sure. I'm not sure how we could have broken it though. cc @code-asher

code-asher Mar 29, 2022
Maintainer

Hmm maybe Restart=always restarts even when you use systemctl stop? I am not sure. Does systemctl disable help here?

I think service spawns are rate-limited by default but maybe we should look into RestartSec, StartLimitIntervalSec, and StartLimitBurst to the service file to make the restarts less aggressive.

im-coder-lg · 2022-03-24T12:58:54Z

im-coder-lg
Mar 24, 2022

Why is it resetting the process continuously? Systemctl ensures background processes like ssh and code-server is a lightweight binary... But there should be a code bug since my theory is that due to a crucial code change, it seems to reset itself on background processing. @snublueberry I think you said it works normally on normal startup. Can you try using tmux?

2 replies

im-coder-lg Mar 24, 2022

I am just suggesting another app, the bug should be something else, possibly the code only.

snublueberry Mar 27, 2022
Author

Thanks for you interest and reply. I'll give it to try.

snublueberry · 2022-07-03T06:28:30Z

snublueberry
Jul 3, 2022
Author

I've tried some ways to solve with your thankful suggests, but I still don't know why. I think there was a problem with the multiple connection of ssh with the same id. (But I'm not sure at all)
Now, I'm using it with https connection and it works well.

0 replies

ADSWT518 · 2022-10-13T15:40:46Z

ADSWT518
Oct 13, 2022

I meet the same problem today 😂 I have tried several methods but cannot solve this problem. I cannot use systemctl to control code-server.

I tried to restart it, but it gave the following error.

[email protected]: Start request repeated too quickly.

I tried to stop it, but the node process was still running, and I could also access the code-server.
I tried to disable it, and its status was disabled. But the node process can still autostart. So I cannot stop it by rebooting my system.
I tried to kill the node process, but it immediately came back to life.

Although these problems do not affect the use, I finally reinstalled the code-server, and gave up using systemctl to control it.

0 replies

ADSWT518 · 2022-10-14T03:20:33Z

ADSWT518
Oct 14, 2022

I meet the same problem today 😂 I have tried several methods but cannot solve this problem. I cannot use systemctl to control code-server.

I tried to restart it, but it gave the following error.
[email protected]: Start request repeated too quickly.
I tried to stop it, but the node process was still running, and I could also access the code-server.

I tried to disable it, and its status was disabled. But the node process can still autostart. So I cannot stop it by rebooting my system.

I tried to kill the node process, but it immediately came back to life.

Although these problems do not affect the use, I finally reinstalled the code-server, and gave up using systemctl to control it.

Oh, I'm so stupid 🤡 I incorrectly wrote code-server@$USER as code-server@USER 😭

Now everything is fine.

0 replies

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code-server restarted endlessly by systemd with error listen EADDRINUSE #5001

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code-server restarted endlessly by systemd with error listen EADDRINUSE #5001

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