Hi, Could you please tale a quick look on this simple fix? diff --git a/test/jtreg-ext/requires/VMProps.java b/test/jtreg-ext/requires/VMProps.java --- a/test/jtreg-ext/requires/VMProps.java +++ b/test/jtreg-ext/requires/VMProps.java @@ -432,7 +432,8 @@ System.getProperty("java.home") + "/release"))) { Properties properties = new Properties(); properties.load(in); - return properties.getProperty("IMPLEMENTOR").replace("\"", ""); + String implementorProperty = properties.getProperty("IMPLEMENTOR"); + return (implementorProperty == null) ? "null" : implementorProperty.replace("\"", ""); } catch (IOException e) { e.printStackTrace(); } Thank you. Shura