panic using redis producer about gollum HOT 3 CLOSED

diff --git a/producer/redis.go b/producer/redis.go
index f2ca4ec..a580c70 100644
--- a/producer/redis.go
+++ b/producer/redis.go
@@ -93,6 +93,12 @@ func (prod *Redis) Configure(conf core.PluginConfig) error {
        }
        prod.fieldFormat = fieldFormat.(core.Formatter)

+       format, err := core.NewPluginWithType(conf.GetString("Formatter", "format.Forward"), conf)
+       if err != nil {
+               return err // ### return, plugin load error ###
+       }
+       prod.format = format.(core.Formatter)
+
        if conf.HasValue("KeyFormatter") {
                keyFormat, err := core.NewPluginWithType(conf.GetString("KeyFormatter", "format.Forward"), conf)
                if err != nil {