[jboss-user] [Beginner's Corner] - System.getProperty("jboss.server.config.dir") returns null on linux

/** * @author mcrose * */ public class loadConfig {     private static final String JBOSS_SERVER_BASE_DIR = "jboss.server.config.url";     private static String CFG_FILE_NAME = "auth-rest.cfg.properties";     /**      * @param args      */     public static void main(String[] args)     {         String filepath = System.getenv(JBOSS_SERVER_BASE_DIR);         if(filepath == null || filepath.isEmpty())         {             Map<String, String> envvarz = System.getenv();             System.out.println("scanning System.getevn()...");             Iterator<String> iterator = envvarz.keySet().iterator();             while (iterator.hasNext())             {                 String key = iterator.next();                 if(key.toLowerCase().contains("jboss")) {                     System.out.println("key: " + key + "->" + envvarz.get(key));                 }             }             if(envvarz.containsKey(JBOSS_SERVER_BASE_DIR)) {                 filepath = envvarz.get(JBOSS_SERVER_BASE_DIR);             }         }         if(filepath == null || filepath.isEmpty()) {             filepath = System.getProperty(JBOSS_SERVER_BASE_DIR);         }         if(filepath == null || filepath.isEmpty())         {             System.out.println("\nscanning System.getProperties()...");             Properties sysprops = System.getProperties();             Iterator<Object> iterator = sysprops.keySet().iterator();             while (iterator.hasNext())             {                 Object key = iterator.next();                 if(key.toString().toLowerCase().contains("jboss")) {                     System.out.println("key: " + key + "->" + sysprops.get(key));                 }             }             if(sysprops.containsKey(JBOSS_SERVER_BASE_DIR)) {                 filepath = (String) sysprops.get(JBOSS_SERVER_BASE_DIR);             }         }         if(filepath != null && !filepath.isEmpty())         {             System.out.println("filepath: " + filepath);             filepath += CFG_FILE_NAME + GlobalParameters.SERVER_CONFIG_FILE_FOLDER;             System.out.println("full-filepath: " + filepath);             PTIProperties parameteres = new PTIProperties();             try             {                 parameteres.load(new FileInputStream(filepath));             }             catch (FileNotFoundException e)             {                 e.printStackTrace();             }             catch (IOException e)             {                 e.printStackTrace();             }             String uri = UriBuilder.buildLoginUri(parameteres);             System.out.println("uri: " + uri);         }     }