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  1. JDK
  2. JDK-4376513

Class.forName() is case-insensitive in Windows

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P4 P4
    • None
    • 1.2.2
    • core-libs



      Name: rmT116609 Date: 10/04/2000


      java version "1.2.2"
      Classic VM (build JDK-1.2.2_006, native threads, symcjit)

      Following is test code.

      public class A
      {
      public static void main(String[] args)
      {
      try {
      Class.forName(args[0]);
      } catch (Exception ex) {
      System.out.println(args[0] + " is bad class.");
      System.exit(1);
      }
      System.out.println(args[0] + " is good class.");
      System.exit(1);
      }
      }

      After compiling, run it.

      D:\Home\nito>java A A
      A is good class.

      D:\Home\nito>java A a
      Exception in thread "main" java.lang.NoClassDefFoundError: a (wrong name: A)
              at java.lang.ClassLoader.defineClass0(Native Method)
              at java.lang.ClassLoader.defineClass(Unknown Source)
              at java.security.SecureClassLoader.defineClass(Unknown Source)
              at java.net.URLClassLoader.defineClass(Unknown Source)
              at java.net.URLClassLoader.access$1(Unknown Source)
              at java.net.URLClassLoader$1.run(Unknown Source)
              at java.security.AccessController.doPrivileged(Native Method)
              at java.net.URLClassLoader.findClass(Unknown Source)
              at java.lang.ClassLoader.loadClass(Unknown Source)
              at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
              at java.lang.ClassLoader.loadClass(Unknown Source)
              at java.lang.ClassLoader.loadClassInternal(Unknown Source)
              at java.lang.Class.forName0(Native Method)
              at java.lang.Class.forName(Unknown Source)
              at A.main(A.java:6)


      The most probrem is that thread was stopped in ClassLoader with exception dump.
      This probrem cannot handling in user code.
      (Review ID: 110304)
      ======================================================================

            Unassigned Unassigned
            rmandalasunw Ranjith Mandala (Inactive)
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