Grafana map-panel plugin unexpected error

Grafana
1

Hi,

I am using Linux Ubuntu 18.04, Grafana version 8.0.3.

I am using Grafana for last few months. Initially using worldmap panel, later
panodata map panel. Both were working fine. Suddenly the map-panels are not working.
It is not appearing on the panel and when I try to check by clicking the ‘edit’ on the panel, it shows ‘unexpected error’. I have seen the grafana log (attached). Seems the ‘plugin is not found’. Should I have to reinstall the plugin? world-map plugin I installed from grafana plugin store and panodata manually downloading the zip file.

Any help would be very much appreciated.

Regards,

---- parts of grafana error log ----

t=2021-10-15T08:52:24+0900 lvl=info msg=“Request Completed” logger=context userId=0 orgId=1 uname= method=GET path=/api/live/ws status=0 remote_addr=192.168.43.13 time_ms=0 size=0 referer=t=2021-10-15T08:52:28+0900 lvl=eror msg=“Could not find plugin file” logger=context userId=0 orgId=1 uname= error=“open /var/lib/grafana/plugins/partials/module.html: no such file or directory”
t=2021-10-15T08:52:28+0900 lvl=info msg=“Request Completed” logger=context userId=0 orgId=1 uname= method=GET path=/public/plugins/loudml-grafana-app/partials/module.html status=404 remote_addr=192.168.43.13 time_ms=0 size=1732 referer=“http://grafana.staged-by-discourse.com/d/o_bA5LZ7z/batsuterijian-shi-demo-cp?orgId=1”
…
…

2

Dear @sendaird,

With the most recent release of Panodata Map Panel 0.16.0 [1], we renamed the plugin from grafana-map-panel to panodata-map-panel.

If you happened to just have installed that version, which received compatibility with Grafana 8, you might need to update your dashboards to reflect that name.

With kind regards,
Andreas.

[1] Releases · panodata/panodata-map-panel · GitHub

3

Dear Andreas,

Thank you for your reply.

I am using ‘panodata-map-panel’ and it is placed under /var/lib/grafana/plugins/.

I have edited the ‘/etc/grafana/grafana.ini’ file as instructed.
[plugins]
allow_loading_unsigned_plugins = “panodata-map-panel”

Actually the previous map panel (grafana-worldmap-panel) that is also not working. When I use either of them in a panel, nothing appears. Clicking the ‘edit’ from the menu gives ‘unexpected error’ msg.

I was using these map panels from July onward and till last week there was no problem. Seems suddenly it cannot find these plugins.

Anything else to check/change?

Thanks and regards,
Deb

4

Dear Andreas,

Adding a few more things, if it helps you to identify the problem.

While checking the list of plugins from Dashboard → Configuration, it does not show the ‘worldmap’ or ‘panodata’ along with some other. But they are visible while selecting for an opening panel ‘click to change visualization’.

From Plugins/Plugin Admin → Readme
The grafana catalog is enabled or disabled by setting plugin_admin_enabled in the setup files.

In my /etc/grafana/grafana.ini file, it is as follows
#Enable or disable installing plugins directly from within Grafana.
;plugin_admin_enabled = false
;plugin_admin_external_manage_enabled = false
;plugin_catalog_url = Grafana Plugins - extend and customize your Grafana | Grafana Labs

It was working with this config so far. Do I need to change?

Best regards,
Deb

5

Dear Deb,

Did you update to Grafana 8 just recently? Regarding this, we were tracking some issues over here:

It would be sweet if you could also create a dedicated issue on this repository in order to continue the discussion there. In this manner, we will lower the noise on the Grafana forum. Thanks already!

With kind regards,
Andreas.

6

Dear Andreas,

No, I haven’t. I have started using Grafana relatively recently. Around July this year. Haven’t updated after that. Haven’t changed in grafana setting or related files/directories.

Just now one thing came to my mind. I was trying to install Node-RED and had some trouble installing it. Tried various things as suggested in different net-forum. So it strikes me if that could cause the problem. So I stopped the current docker-image and used a previous image and everything is fine. Also, when I list up all the plugins from Configuration → Plugins, it shows all the plugins as it should.

So it seems I had messed up something while trying to install and changing setup etc. I need to dug deep to find what was that.

Sorry for the troubles and thank you for trying to help me out. There is nothing wrong with the grafana. As I did not directly touch grafana related setup I thought something went wrong with grafana. It was my fault. Somewhere the permission mode probably has changed, causing some plugin-files not-found.

Best regards,
Deb

ps. In the grafana error log, there was
…
open /var/lib/grafana/plugins/partials/module.html: no such file or directory”
…
and the ‘partials’ directory itself was gone. After changing back to the older docker, ‘partials/module.html’ exists as it should. Somehow file/directory structure under /var/lib/grafana/plugins/ had changed, causing all the troubles.

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