Same issue here. I'm using exactly the same versions.

I know what the problem is, in Zabbix 6.4 the "user" param has changed to "username", but I don't know how to solve it.

I also encountered the same problem

Zabbix Version:6.4.0
Grafana oss version:9.4.3
plugins version:alexanderzobnin-zabbix-app @ 4.2.10

Estou com o mesmo problema, achei um repo que ele mandou um .zip mas quando instalado o grafana não reconhecia.

#1544

@alexanderzobnin

The current official release 4.2.10 still uses "user" instead of "username" when talking to Zabbix and requesting a "user.login" api call.

I have not been able to recompile the plugin with the proper fix which seems to be included in the master branch.

However I managed to patch an ugly but effective workaround in Zabbix 6.4 php frontend rather than the plugin itself.

I know, this sounds orrible and any apt update will break it and require a new patching, but right now I have zero time to think to anything better.

I patched the file

/usr/share/zabbix/include/classes/api/clients/CLocalApiClient.php

like this:

--- /usr/share/zabbix/include/classes/api/clients/CLocalApiClient.php.orig	2023-03-08 16:23:26.555055621 +0100
+++ /usr/share/zabbix/include/classes/api/clients/CLocalApiClient.php	2023-03-08 16:22:46.378217849 +0100
@@ -128,6 +128,13 @@
 				$newTransaction = true;
 			}

+			// UGLY GRAFANA DATASOURCE HACK
+			// rename "user" param to "username" when present
+			if ($params['user'] ?? null) {
+				$params['username'] = $params['user'];
+				unset($params['user']);
+			}
+
 			$result = call_user_func_array([$this->serviceFactory->getObject($api), $method], [$params]);

 			// if the method was called successfully - commit the transaction

maybe this helps

The current official release 4.2.10 still uses "user" instead of "username" when talking to Zabbix and requesting a "user.login" api call.

I have not been able to recompile the plugin with the proper fix which seems to be included in the master branch.

However I managed to patch an ugly but effective workaround in Zabbix 6.4 php frontend rather than the plugin itself.

I know, this sounds orrible and any apt update will break it and require a new patching, but right now I have zero time to think to anything better.

I patched the file

/usr/share/zabbix/include/classes/api/clients/CLocalApiClient.php

like this:

--- /usr/share/zabbix/include/classes/api/clients/CLocalApiClient.php.orig	2023-03-08 16:23:26.555055621 +0100
+++ /usr/share/zabbix/include/classes/api/clients/CLocalApiClient.php	2023-03-08 16:22:46.378217849 +0100
@@ -128,6 +128,13 @@
 				$newTransaction = true;
 			}

+			// UGLY GRAFANA DATASOURCE HACK
+			// rename "user" param to "username" when present
+			if ($params['user'] ?? null) {
+				$params['username'] = $params['user'];
+				unset($params['user']);
+			}
+
 			$result = call_user_func_array([$this->serviceFactory->getObject($api), $method], [$params]);

 			// if the method was called successfully - commit the transaction

maybe this helps

For my case, is a "acceptable" temporal workaround!! Thanks!

Wow, I've been breaking my head for last couple of days, tons of issues trying recompile the source for Alexanders...

You are a genius!

/usr/share/zabbix/include/classes/api/clients/CLocalApiClient.php	2023-03-08 16:22:46.378217849 +0100

Tu é um mestre

Thankyou!!! @bpress

@bpress thank you very much!

i´m on Zabbix 6.0.13 and I think that I am seeing the same issue in Apache's error_log I have
AH01071: Got error 'PHP message: PHP Notice: Parameter "/user" is deprecated. in /usr/share/zabbix/include/classes/validators/CApiInputValidator.php on line 1324

Also I am not seeing any data but it pulls in groups and hostnames but no actual data, is that expected with this issue?

The company that I work for doesn't allow me to run the patch command, can I add the modifications manually to CLocalApiClient.php ?

i´m on Zabbix 6.0.13 and I think that I am seeing the same issue in Apache's error_log I have AH01071: Got error 'PHP message: PHP Notice: Parameter "/user" is deprecated. in /usr/share/zabbix/include/classes/validators/CApiInputValidator.php on line 1324

Also I am not seeing any data but it pulls in groups and hostnames but no actual data, is that expected with this issue?

The company that I work for doesn't allow me to run the patch command, can I add the modifications manually to CLocalApiClient.php ?

@pqvindesland I don't think your lack of data is related to this issue. AFAIK Zabbix 6.0 gives only a deprecation warning but still accepts "user"; the change I made is only for 6.4. I have no idea on why you don't get actual data.
[Offtopic] I had a similar problem: I upgraded grafana from 8.x to 9.4 and Zabbix from 5.4 to 6.4. During this process I got almost all panels in dashboards with "no data" and the infamous corner red triangle: this seems to be related to the way each panel was linked to the zabbix datasource. I had to export the json for all the dashboards, manually edit it by removing all "uid" references for each panel or metric query (whole lines deleted), then reimport the json. UIDs got regenerated and the dashboards were restored.