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  1. JDK
  2. JDK-5009755

InternalError is thrown when calling File.listFiles() on a non directory file

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      Description

      Name: rmT116609 Date: 03/08/2004


      FULL PRODUCT VERSION :
      java version "1.5.0-beta"
      Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b32c)
      Java HotSpot(TM) Client VM (build 1.5.0-beta-b32c, mixed mode)

      java version "1.4.2"
      Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-b28)
      Java HotSpot(TM) Client VM (build 1.4.2-b28, mixed mode)


      ADDITIONAL OS VERSION INFORMATION :
      Microsoft Windows 2000 [Version 5.00.2195]

      A DESCRIPTION OF THE PROBLEM :
      InternalError is thrown when calling File.listFiles() on a non directory file
      When the File is both a shell File and a non directory file then anInternal Error is thrown.

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      Adapt the files indexes in the code such that file ends up being a non directory file on the test system.
      Run code.
      Observe error.

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      Not a Directory to be displayed.
      ACTUAL -
      InternalError

      ERROR MESSAGES/STACK TRACES THAT OCCUR :
      java.lang.InternalError: Unable to bind C:\test.txt to parent

      at sun.awt.shell.Win32ShellFolder2.getIShellFolder(Win32ShellFolder2.java:321)

      at sun.awt.shell.Win32ShellFolder2.listFiles(Win32ShellFolder2.java:508)

      at sun.awt.shell.ShellFolder.listFiles(ShellFolder.java:100)

      at Test.main(Test.java:10)

      Exception in thread "main"

      REPRODUCIBILITY :
      This bug can be reproduced always.

      ---------- BEGIN SOURCE ----------
      import java.io.*;
      import java.util.*;
      import javax.swing.filechooser.*;

      public class Test {
        public static void main(String[] args) {
          FileSystemView fsv = FileSystemView.getFileSystemView();
          File file = fsv.getHomeDirectory();
          file = file.listFiles()[0].listFiles()[1].listFiles()[7];
          File[] files = file.listFiles();
          System.out.println(files == null ? "Not a Directory" : Arrays.asList(files).toString());
        }
      }
      ---------- END SOURCE ----------

      CUSTOMER SUBMITTED WORKAROUND :
      check if file is a directory before calling file.listFiles()
      (Incident Review ID: 241381)
      ======================================================================

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              Assignee:
              leifs Leif Samuelsson (Inactive)
              Reporter:
              rmandalasunw Ranjith Mandala (Inactive)
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