FileChannel bug in Sun's code

ErrorCase.java

package com.technofovea.packbsp;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;

/**
 * This quick test shows a bug in the SUN/Oracle FileChannel class.
 *
 * Instead of throwing an IOException as per the documentation, a java.lang.Error
 * is thrown.
 *
 * @author Darien Hager
 */
public class ErrorCase {

    public static void main(String[] ars) throws Exception {
        try {
            //File file = new File("c:/faceprov.log");
            File file = File.createTempFile("errtest", ".tmp");
            file.deleteOnExit();
            FileInputStream in = new FileInputStream(file);
            
            in.close(); //Oops, closing the channel too early early...
            FileChannel fc = in.getChannel();

            // OK, here comes the part that throws an exception...
            fc.tryLock(0, Long.MAX_VALUE, true);
        } catch (IOException ioex) {
            System.out.println("This is where we expected to catch an IOException from our bug.");
            ioex.printStackTrace();
        } catch(Exception ex){
            System.out.println("OK, maybe we didn't expect some other kind of exception...");
            ex.printStackTrace();
        } catch(Error e){
            System.out.println("WTF! A completely unexpected class was thrown: "+e.getClass());
            System.out.println("This should *BE* an IOException, not something *CONTAINING* an IOException.");
            e.printStackTrace();
        }
/* Expected output

WTF! A completely unexpected class was thrown: class java.lang.Error
This should *BE* an IOException, not something *CONTAINING* an IOException.
java.lang.Error: java.io.IOException: The handle is invalid
        at sun.nio.ch.FileKey.create(FileKey.java:27)
        at sun.nio.ch.FileChannelImpl$SharedFileLockTable.<init>(FileChannelImpl.java:1041)
        at sun.nio.ch.FileChannelImpl.fileLockTable(FileChannelImpl.java:816)
        at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:877)
        at com.technofovea.packbsp.ErrorCase.main(ErrorCase.java:40)
Caused by: java.io.IOException: The handle is invalid
        at sun.nio.ch.FileKey.init(Native Method)
        at sun.nio.ch.FileKey.create(FileKey.java:25)
        ... 4 more

*/

    }
}