Formatting of how chat messages are displayed, too short a protocol message doesnt print exception stack trace.

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/client/JClientProtocolParser.java

@@ -14,7 +14,7 @@ public class JClientProtocolParser {
     try {
       header = msg.substring(0, 5);
     } catch (IndexOutOfBoundsException e) {
-      e.printStackTrace();
+      System.out.println("Received unknown command");
     }
     //System.out.println(header);     helpful for debugging
     switch (header) {

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/helpers/ClientPinger.java

@@ -50,9 +50,7 @@ public class ClientPinger implements Runnable {
         }
       }
       isConnected = false;         //in case the socket accidentally disconnects (can this happen?)
-    } catch (InterruptedException e) {
+    } catch (InterruptedException | IOException e) {
-      e.printStackTrace();
-    } catch (IOException e) {
       e.printStackTrace();
     }
   }

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/helpers/ServerPinger.java

@@ -50,9 +50,7 @@ public class ServerPinger implements Runnable {
         }
       }
       isConnected = false;        //in case the socket accidentally disconnects (can this happen?)
-    } catch (InterruptedException e) {
+    } catch (InterruptedException | IOException e) {
-      e.printStackTrace();
-    } catch (IOException e) {
       e.printStackTrace();
     }
   }

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/server/ClientHandler.java

@@ -94,18 +94,7 @@ public class ClientHandler implements Runnable {
 
   public void broadcastMessage(String msg) {
     for (ClientHandler client : connectedClients) {
-      try {
+      client.sendMsgToClient("CHATM:" + clientUserName + ": \"" + msg + "\"");
-        if (!client.clientUserName.equals((clientUserName))) {
-          client.out.write("CHATM:" + msg);
-        } else {
-          client.out.write("CHATM:Message: **" + msg + "** sent!");
-        }
-        client.out.newLine();
-        client.out.flush();
-      } catch (IOException e) {
-        e.printStackTrace();
-        closeEverything(socket, in, out);
-      }
     }
   }
 

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/server/JServerProtocolParser.java

@@ -14,7 +14,7 @@ public class JServerProtocolParser {
     try {
       header = msg.substring(0, 5);
     } catch (IndexOutOfBoundsException e) {
-      e.printStackTrace();
+      System.out.println("Received unknown command");
     }
     //System.out.println(header); helpful for debugging
     switch (header) {