src/java.base/share/classes/sun/nio/ch/FileChannelImpl.java

*** 25,34 ****
--- 25,35 ----
  
  package sun.nio.ch;
  
  import java.io.FileDescriptor;
  import java.io.IOException;
+ import java.lang.ref.Cleaner;
  import java.nio.ByteBuffer;
  import java.nio.MappedByteBuffer;
  import java.nio.channels.ClosedByInterruptException;
  import java.nio.channels.ClosedChannelException;
  import java.nio.channels.FileChannel;
*** 45,55 ****
  import java.util.List;
  
  import jdk.internal.misc.JavaIOFileDescriptorAccess;
  import jdk.internal.misc.JavaNioAccess;
  import jdk.internal.misc.SharedSecrets;
- import jdk.internal.ref.Cleaner;
  import sun.security.action.GetPropertyAction;
  
  public class FileChannelImpl
      extends FileChannel
  {
--- 46,55 ----
*** 843,853 ****
              }
          }
      }
  
      private static void unmap(MappedByteBuffer bb) {
!         Cleaner cl = ((DirectBuffer)bb).cleaner();
          if (cl != null)
              cl.clean();
      }
  
      private static final int MAP_RO = 0;
--- 843,853 ----
              }
          }
      }
  
      private static void unmap(MappedByteBuffer bb) {
!         Cleaner.Cleanable cl = ((DirectBuffer)bb).cleaner();
          if (cl != null)
              cl.clean();
      }
  
      private static final int MAP_RO = 0;