corrected some issues

src/clientP2P/ClientDownloadPartTCP.java

@@ -21,6 +21,7 @@ import java.nio.file.Files;
 import java.io.File;
 import java.nio.file.Paths;
 import java.io.IOException;
+import exception.SocketClosed;
 
 /** Class to download file parts on tcp.
 * @author	Louis Royer
@@ -48,7 +49,7 @@ public class ClientDownloadPartTCP implements Runnable {
 	 * @param socket	socket to use
 	 * @param partsSubdir	directory to store .part files
 	 */
-	public ClientDownloadPartTCP(ClientDownloadTCP manager, String filename, DatagramSocket socket, String partsSubdir) {
+	public ClientDownloadPartTCP(ClientDownloadTCP manager, String filename, Socket socket, String partsSubdir) {
 		this.manager = manager;
 		this.partsSubdir = partsSubdir;
 		this.filename = filename;
@@ -299,6 +300,9 @@ public class ClientDownloadPartTCP implements Runnable {
 		} catch (InternalError e) {
 			System.err.println("Error: downloadPart internalError");
 			return true;
+		} catch (SocketClosed e){
+			System.err.println("Error: downloadPart SocketClosed");
+			return true;
 		}
 		return false;
 	}