error issues

minexample.go

package main

import (
        "fmt"
        "github.com/coreos/go-etcd/etcd"
        "log"
        "os"
        "reflect"
)

func main() {

        conn := etcd.NewClient([]string{"127.0.0.1:4001"})
        fmt.Println(conn.GetCluster())
        conn.SetCluster(conn.GetCluster())

        _, err := conn.Get("/testing/nothinghere", false, false)
        if err != nil {
                // https://github.com/coreos/go-etcd/blob/master/etcd/error.go#L18 
                log.Println(reflect.TypeOf(err))
                log.Println(err)
                //log.Println(err.ErrorCode)
                os.Exit(1)
        }
}

output

# go run main2.go
[127.0.0.1:4001]
2015/01/26 12:44:18 *etcd.EtcdError
2015/01/26 12:44:18 100: Key not found (/testing) [66]
exit status 1