update examples

example/worker/worker.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"strings"
 	"time"
+	"net"
 )
 
 func ToUpper(job worker.Job) ([]byte, error) {
@@ -39,7 +40,8 @@ func main() {
 	defer w.Close()
 	w.ErrorHandler = func(e error) {
 		log.Println(e)
-		if e == worker.ErrLostConn {
+		if opErr, ok := e.(*net.OpError); ok {
+			if ! opErr.Temporary() {
 				proc, err := os.FindProcess(os.Getpid())
 				if err != nil {
 					log.Println(err)
@@ -49,6 +51,7 @@ func main() {
 				}
 			}
 		}
+	}
 	w.JobHandler = func(job worker.Job) error {
 		log.Printf("Data=%s\n", job.Data())
 		return nil