PLT-3364 Fix panic when load config failes (#3361)

i18n/de.json

@@ -2251,10 +2251,6 @@
     "id": "mattermost.system_admins.error",
     "translation": "Fehler beim Laden der Systemadministratoren für Sicherheitsupdates von Mattermost."
   },
-  {
-    "id": "mattermost.unable_to_load_config",
-    "translation": "Laden der Mattermost Konfigurationsdatei nicht möglich:"
-  },
   {
     "id": "mattermost.working_dir",
     "translation": "Aktuelles Arbeitsverzeichnis ist %v"

i18n/en.json

@@ -2255,10 +2255,6 @@
     "id": "mattermost.system_admins.error",
     "translation": "Failed to get system admins for security update information from Mattermost."
   },
-  {
-    "id": "mattermost.unable_to_load_config",
-    "translation": "Unable to load mattermost configuration file:"
-  },
   {
     "id": "mattermost.working_dir",
     "translation": "Current working directory is %v"

i18n/es.json

@@ -2251,10 +2251,6 @@
     "id": "mattermost.system_admins.error",
     "translation": "Falla al obtener los administradores de sistema que reciben información referente a las actualizaciones de seguridade de Mattermost."
   },
-  {
-    "id": "mattermost.unable_to_load_config",
-    "translation": "No se pudo cargar el archivo de configuración de Mattermost:"
-  },
   {
     "id": "mattermost.working_dir",
     "translation": "El directorio de trabajo actual es %v"

i18n/fr.json

@@ -2251,10 +2251,6 @@
     "id": "mattermost.system_admins.error",
     "translation": "Échec du chargement de la liste des administrateurs système pour les informer d'une mise à jour de sécurité de Mattermost."
   },
-  {
-    "id": "mattermost.unable_to_load_config",
-    "translation": "Impossible de charger le fichier de configuration mattermost :"
-  },
   {
     "id": "mattermost.working_dir",
     "translation": "Le dossier de travail actuel est %v"

i18n/ja.json

@@ -2251,10 +2251,6 @@
     "id": "mattermost.system_admins.error",
     "translation": "Mattermostからのセキュリティーアップデート情報に関してシステム管理者を取得できません"
   },
-  {
-    "id": "mattermost.unable_to_load_config",
-    "translation": "Mattermostの設定ファイルを読み込めません:"
-  },
   {
     "id": "mattermost.working_dir",
     "translation": "現在のワーキングディレクトリーは%vです"

i18n/pt-BR.json

@@ -2251,10 +2251,6 @@
     "id": "mattermost.system_admins.error",
     "translation": "Falha ao obter administradores do sistema para a informação de atualização de segurança do Mattermost."
   },
-  {
-    "id": "mattermost.unable_to_load_config",
-    "translation": "Não foi possível carregar o arquivo de configuração do mattermost:"
-  },
   {
     "id": "mattermost.working_dir",
     "translation": "Diretório atual é %v"

mattermost.go

@@ -71,7 +71,7 @@ var flagRunCmds bool
 func doLoadConfig(filename string) (err string) {
 	defer func() {
 		if r := recover(); r != nil {
-			err = r.(string)
+			err = fmt.Sprintf("Error loding config, err=%v", r)
 		}
 	}()
 	utils.LoadConfig(filename)
@@ -83,7 +83,7 @@ func main() {
 	parseCmds()
 
 	if errstr := doLoadConfig(flagConfigFile); errstr != "" {
-		l4g.Exit(utils.T("mattermost.unable_to_load_config"), errstr)
+		l4g.Exit("Unable to load mattermost configuration file:", errstr)
 		return
 	}
 
@@ -91,6 +91,7 @@ func main() {
 		utils.ConfigureCmdLineLog()
 	}
 	utils.InitTranslations(utils.Cfg.LocalizationSettings)
+	utils.TestConnection(utils.Cfg)
 
 	pwd, _ := os.Getwd()
 	l4g.Info(utils.T("mattermost.current_version"), model.CurrentVersion, model.BuildNumber, model.BuildDate, model.BuildHash, model.BuildHashEnterprise)

utils/config.go

@@ -178,7 +178,6 @@ func LoadConfig(fileName string) {
 	}
 
 	configureLog(&config.LogSettings)
-	TestConnection(&config)
 
 	if config.FileSettings.DriverName == model.IMAGE_DRIVER_LOCAL {
 		dir := config.FileSettings.Directory