fix plugin init

config/cmd/cmd.go

@@ -92,11 +92,6 @@ var (
 			EnvVar: "MICRO_CLIENT_POOL_TTL",
 			Usage:  "Sets the client connection pool ttl. e.g 500ms, 5s, 1m. Default: 1m",
 		},
-		cli.StringSliceFlag{
-			Name:   "plugin",
-			EnvVar: "MICRO_PLUGIN",
-			Usage:  "Comma separated list of plugins e.g /path/to/plugin.so",
-		},
 		cli.IntFlag{
 			Name:   "register_ttl",
 			EnvVar: "MICRO_REGISTER_TTL",

plugin/default.go

@@ -62,8 +62,11 @@ func (p *plugin) Init(c *Config) error {
 			return fmt.Errorf("Invalid plugin %s", c.Name)
 		}
 		cmd.DefaultTransports[c.Name] = pg
-	}
+	default:
 		return fmt.Errorf("Unknown plugin type: %s for %s", c.Type, c.Name)
+	}
+
+	return nil
 }
 
 // Load loads a plugin created with `go build -buildmode=plugin`