// Create a resolver that can replace system properties in strings
Map<String, String> systemPropsMap =
new HashMap<String, String>((Map)(System.getProperties()));
resolver = new TokenResolver(systemPropsMap);
String resolvedInstallDir = resolver.resolve(installdir);
File actualInstallDir = new File( resolvedInstallDir+"/" + NodeUtils.LANDMARK_FILE);
if (!actualInstallDir.exists()){
report.setMessage(Strings.get("invalid.installdir",installdir));