diff --git a/src/j2/ThreadEchoServer.java b/src/j2/ThreadEchoServer.java
index 87df298..e941693 100644
--- a/src/j2/ThreadEchoServer.java
+++ b/src/j2/ThreadEchoServer.java
@@ -36,6 +36,7 @@
 			//			os.close();
 			System.out.println(e);
 		}
+		System.out.println("disconnected "+sock.toString());
 	}
 	public static void main(String args[]) {
 		// ソケットの宣言