merge log
diff --git a/decode_test.go b/decode_test.go
index 96288a9..3c4dd95 100644
--- a/decode_test.go
+++ b/decode_test.go
@@ -79,8 +79,7 @@
 	cmd := exec.Command("java", cmdArgs...)
 	out, err := cmd.Output()
 	if err != nil {
-		log.Println(cmd.Args)
-		log.Fatal(err)
+		log.Fatal(cmd.Args, err)
 	}
 	return out
 }