added execptions

src/clientP2P/ClientDownloadPartTCP.java

@@ -97,7 +97,11 @@ public class ClientDownloadPartTCP implements Runnable {
 			}
 		}
 		System.err.println("Closing socket");
-		socket.close();
+		try{
+			socket.close();
+		} catch(IOException e){
+			System.err.println("can't close socket");
+		}
 	}
 
 	/** Get list of offsets that have not be downloaded if failed, else
@@ -216,6 +220,9 @@ public class ClientDownloadPartTCP implements Runnable {
 			e.printStackTrace();
 			System.err.println("Error: reqPart ioexception");
 			return null;
+		} catch (SocketClosed e){
+			System.err.println("Error: reqPart SocketClosed");
+			return null;
 		}
 	}