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[GH-ISSUE #4831] [Bug]: PaperMC update has null as build number #2997

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opened 2026-02-27 03:06:40 +03:00 by kerem · 3 comments

kerem commented

2026-02-27 03:06:40 +03:00

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Originally created by @jordivn on GitHub (Oct 7, 2025).
Original GitHub issue: https://github.com/GameServerManagers/LinuxGSM/issues/4831

User story

As a systemadmin i want to update papermc to 1.21.10

Game

LGSM papermc

Linux distro

Debian 12

Command

command: update

Further information

Apt update apt upgrade -> all fine
pmserver update-lgsm -> all fine
pmserver update -> 404 error (tries to dowload buld "null". Remote version given 1.21.10-null

cleared lgsm/tmp and tried again, same error.

Relevant log output

Oct 07 16:15:32.588 pmcserver: UPDATE: PASS: Checking local build
Oct 07 16:15:33.777 pmcserver: UPDATE: PASS: Checking remote build
Oct 07 16:15:34.483 pmcserver: UPDATE: INFO: Update available
Oct 07 16:15:34.484 pmcserver: UPDATE: INFO: Local build: 1.21.8-60
Oct 07 16:15:34.485 pmcserver: UPDATE: INFO: Remote build: 1.21.10-null
Oct 07 16:15:34.486 pmcserver: UPDATE: INFO: 1.21.8-60 > 1.21.10-null
Oct 07 16:15:34.747 pmcserver: UPDATE: FAIL: Downloading null...
Oct 07 16:15:34.748 pmcserver: UPDATE: FAIL: https://api.papermc.io/v2/projects/paper/versions/1.21.10/builds/null/downloads/null
Oct 07 16:15:34.752 pmcserver: UPDATE: INFO: LinuxGSM version: v25.1.6
Oct 07 16:15:34.753 pmcserver: UPDATE: FAIL: core_exit.sh exiting with code: 1

Steps to reproduce

see above

Originally created by @jordivn on GitHub (Oct 7, 2025). Original GitHub issue: https://github.com/GameServerManagers/LinuxGSM/issues/4831 ### User story As a systemadmin i want to update papermc to 1.21.10 ### Game LGSM papermc ### Linux distro Debian 12 ### Command command: update ### Further information Apt update apt upgrade -> all fine pmserver update-lgsm -> all fine pmserver update -> 404 error (tries to dowload buld "null". Remote version given 1.21.10-null cleared lgsm/tmp and tried again, same error. ### Relevant log output ```shell Oct 07 16:15:32.588 pmcserver: UPDATE: PASS: Checking local build Oct 07 16:15:33.777 pmcserver: UPDATE: PASS: Checking remote build Oct 07 16:15:34.483 pmcserver: UPDATE: INFO: Update available Oct 07 16:15:34.484 pmcserver: UPDATE: INFO: Local build: 1.21.8-60 Oct 07 16:15:34.485 pmcserver: UPDATE: INFO: Remote build: 1.21.10-null Oct 07 16:15:34.486 pmcserver: UPDATE: INFO: 1.21.8-60 > 1.21.10-null Oct 07 16:15:34.747 pmcserver: UPDATE: FAIL: Downloading null... Oct 07 16:15:34.748 pmcserver: UPDATE: FAIL: https://api.papermc.io/v2/projects/paper/versions/1.21.10/builds/null/downloads/null Oct 07 16:15:34.752 pmcserver: UPDATE: INFO: LinuxGSM version: v25.1.6 Oct 07 16:15:34.753 pmcserver: UPDATE: FAIL: core_exit.sh exiting with code: 1 ``` ### Steps to reproduce see above

kerem

2026-02-27 03:06:40 +03:00

closed this issue
added the
type: bug

distro: Debian

command: update

command: update-lgsm
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kerem commented

2026-02-27 03:06:41 +03:00

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Owner

@jordivn commented on GitHub (Oct 7, 2025):

gameuser@MC-Survival ~/gameserver/serverfiles$ curl https://api.papermc.io/v2/projects/paper/versions/1.21.10/builds
{"project_id":"paper","project_name":"Paper","version":"1.21.10","builds":[]}

@jordivn commented on GitHub (Oct 7, 2025): gameuser@MC-Survival ~/gameserver/serverfiles$ curl https://api.papermc.io/v2/projects/paper/versions/1.21.10/builds {"project_id":"paper","project_name":"Paper","version":"1.21.10","builds":[]}

kerem commented

2026-02-27 03:06:41 +03:00

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Owner

@h3o66 commented on GitHub (Oct 7, 2025):

yeah, we do not check if the version has any build yet, what could be probably fixed by some kind of version fallback.

Workaround is to define manually an older version:
mcversion="1.21.9"
then try to update again.

this option goes into the config common.cfg or pmcserver.cfg in the config folder of lgsm

@h3o66 commented on GitHub (Oct 7, 2025): yeah, we do not check if the version has any build yet, what could be probably fixed by some kind of version fallback. Workaround is to define manually an older version: `mcversion="1.21.9"` then try to update again. this option goes into the config `common.cfg` or `pmcserver.cfg` in the config folder of lgsm

kerem commented

2026-02-27 03:06:41 +03:00

Author

Owner

@jordivn commented on GitHub (Oct 8, 2025):

Build number is availible by now

@jordivn commented on GitHub (Oct 8, 2025): Build number is availible by now

kerem referenced this issue

2026-02-27 03:56:06 +03:00

[PR #2997] [MERGED] fix: awk now properly grabs the server pid when spaces are present in the session name #3864

kerem referenced this issue

2026-02-27 03:56:13 +03:00