Move a file to a specific folder

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Java

file

I'm trying to move a file to a specified folder but I can't.
This is the code:

public static void moveToRightDirectory(File song, String album) throws IOException {
	    album = album.trim();
	    String pathDirectory = selectedDir + "\\" + album;
	    File dir = new File(pathDirectory);
	    System.out.println("dir.exists(): " + dir.exists());
	    if(dir.exists()) { 
	      Files.move(song.toPath(), dir.toPath(), StandardCopyOption.REPLACE_EXISTING);
	      //System.out.println(song.renameTo(dir));
	    }
	    else { 
	      boolean success = (new File(pathDirectory)).mkdirs();
	      if(!success) {
	        System.out.println("Error creating directory.");
	      }
	      else {
	        Files.move(song.toPath(), dir.toPath(), StandardCopyOption.REPLACE_EXISTING);
	        //System.out.println(song.renameTo(dir));
	        //FileUtils.moveFile(song, dir);
	      }
	    }
	  }

I would like to move the song file in the folder dir. To do this I have tried several methods:

- Files.move -> The following errors are generated:

java.nio.file.FileSystemException: C:\Users\ila\Desktop\Adele1\Cold shoulder.mp3 -> C:\Users\ila\Desktop\Adele1\19: The process cannot access the file because it is being used by another process.

	at sun.nio.fs.WindowsException.translateToIOException(Unknown Source)
	at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
	at sun.nio.fs.WindowsFileCopy.move(Unknown Source)
	at sun.nio.fs.WindowsFileSystemProvider.move(Unknown Source)
	at java.nio.file.Files.move(Unknown Source)
	at createDir.CreateDirectory.moveToRightDirectory(CreateDirectory.java:74)
	at createDir.CreateDirectory.createDirectory(CreateDirectory.java:41)
	at gui.DirChooser.actionPerformed(DirChooser.java:54)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$500(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)

- song.renameTo(dir) -> It does nothing.

- FileUtils.moveFile(song, dir) -> Eclipse does not find FileUtils. I did the import of java.lang.Object.org.apache.commons.io.FileUtils but the error becomes "The import java.lang.Object.org can not be resolved."

How can I fix?
Thanks a lot.