Exception in thread "main" java.util.NoSuchElementException

[noraj]

Java 7 (OpenJDK)

$ barmie --help
Exception in thread "main" java.lang.UnsupportedClassVersionError: nb/barmie/BaRMIe : Unsupported major.minor version 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:808)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:443)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:65)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:349)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:348)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:430)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:326)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:363)
        at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)

Java 8+ (OpenJDK)

Tested with version 8, 11 and 17.

$ barmie --help                             

  ▄▄▄▄    ▄▄▄       ██▀███   ███▄ ▄███▓ ██▓▓█████ 
 ▓█████▄ ▒████▄    ▓██ ▒ ██▒▓██▒▀█▀ ██▒▓██▒▓█   ▀ 
 ▒██▒ ▄██▒██  ▀█▄  ▓██ ░▄█ ▒▓██    ▓██░▒██▒▒███   
 ▒██░█▀  ░██▄▄▄▄██ ▒██▀▀█▄  ▒██    ▒██ ░██░▒▓█  ▄ 
 ░▓█  ▀█▓ ▓█   ▓██▒░██▓ ▒██▒▒██▒   ░██▒░██░░▒████▒
 ░▒▓███▀▒ ▒▒   ▓▒█░░ ▒▓ ░▒▓░░ ▒░   ░  ░░▓  ░░ ▒░ ░
 ▒░▒   ░   ▒   ▒▒ ░  ░▒ ░ ▒░░  ░      ░ ▒ ░ ░ ░  ░
  ░    ░   ░   ▒     ░░   ░ ░      ░    ▒ ░   ░   
  ░            ░  ░   ░            ░    ░     ░  ░
       ░                                     v1.0
             Java RMI enumeration tool.
               Written by Nicky Bloor (@NickstaDB)

Warning: BaRMIe was written to aid security professionals in identifying the
         insecure use of RMI services on systems which the user has prior
         permission to attack. BaRMIe must be used in accordance with all
         relevant laws. Failure to do so could lead to your prosecution.
         The developers assume no liability and are not responsible for any
         misuse or damage caused by this program.

Exception in thread "main" java.util.NoSuchElementException
        at java.util.LinkedList.removeFirst(LinkedList.java:270)
        at java.util.LinkedList.pop(LinkedList.java:801)
        at nb.barmie.util.ProgramOptions.parseCommandLineArgs(ProgramOptions.java:104)
        at nb.barmie.util.ProgramOptions.<init>(ProgramOptions.java:70)
        at nb.barmie.BaRMIe.main(BaRMIe.java:54)

[noraj]

PS : the tool is working, only the --help command makes such a crash.