undefined method `[]' for nil [NoMethodError] #3607
Description
- I have read and understood docs/Issues.md.
Describe the problem
Oxidized does not start. Error message is "undefined method `[]' for nil [NoMethodError]"
Configuration
---
username: username
password: password
model: cisco
#resolve_dns: true
interval: 86400
debug: false
run_once: false
threads: 30
use_max_threads: false
timeout: 20
timelimit: 300
retries: 3
prompt: !ruby/regexp /^([\w.@-]+[#>]\s?)$/
next_adds_job: false
vars: {}
groups: {}
group_map: {}
models: {}
pid: "/home/oxidized/.config/oxidized/pid"
extensions:
crash:
directory: "/home/oxidized/.config/oxidized/crashes"
hostnames: false
stats:
history_size: 10
input:
default: ssh, telnet
debug: false
ssh:
secure: false
ftp:
passive: true
utf8_encoded: true
output:
default: git
git:
user: oxidized
email: mail@mail.com
repo: "/opt/librenms/oxidized/config.git"
source:
default: csv
csv:
file: /opt/librenms/oxidized/router.db
delimiter: !ruby/regexp /:/
map:
name: 0
ip: 1
model: 2
username: 3
password: 4
model_map:
cisco: ios
Logs
[oxidized@basbnms ~]$ oxidized
2025-08-08 11:23:55.922112 I [1128956:1140] Oxidized::CLI -- Oxidized starting, running as pid 1128956
2025-08-08 11:23:55.923797 I [1128956:1140] Oxidized::Nodes -- Loading nodes
2025-08-08 11:23:56.073133 I [1128956:1140] Oxidized::Nodes -- Loaded 26 nodes
2025-08-08 11:23:56.073401 F [1128956:1140 cli.rb:36] Oxidized::CLI -- Oxidized crashed, crashfile written in /home/oxidized/.config/oxidized/crash
[oxidized@basbnms ~]$ cat /home/oxidized/.config/oxidized/crash
--------------------------------------------------
2025-08-08 09:23:56 UTC
undefined method `[]' for nil [NoMethodError]
--------------------------------------------------
/usr/local/share/gems/gems/oxidized-0.34.3/lib/oxidized/core.rb:43:in `initialize'
/usr/local/share/gems/gems/oxidized-0.34.3/lib/oxidized/core.rb:4:in `new'
/usr/local/share/gems/gems/oxidized-0.34.3/lib/oxidized/core.rb:4:in `new'
/usr/local/share/gems/gems/oxidized-0.34.3/lib/oxidized/cli.rb:17:in `run'
/usr/local/share/gems/gems/oxidized-0.34.3/bin/oxidized:5:in `<top (required)>'
/usr/local/bin/oxidized:25:in `load'
/usr/local/bin/oxidized:25:in `<main>'
--------------------------------------------------
Running environment (please complete the following information):
- OS: Rocky Linux 10
- oxidized version: 0.34.3
- oxidized-web version:
- Manufacturer model an software version:
- oxidized model name:
Additional context
I did copy the router.db, git repository and oxidized config from another host which works just fine. Its an older OS and oxidized tho.