if (sockDir == null) {
throw new ExecutionProblem("Configuration file is missing "+
PROP_SOCKET_DIR + " entry: " + configFile.getAbsolutePath());
}
final NimbusHomePathResolver resolver = new NimbusHomePathResolver();
String path = resolver.resolvePath(sockDir);
if (path == null) {
path = sockDir;
}
this.socketDirectory = new File(path);