Few minor changes

src/kademlia/dht/KadContent.java

@@ -50,7 +50,7 @@ public interface KadContent
      * Each object is responsible for transforming itself to byte format since the
      * structure of methods may differ.
      *
-     * @return byte[] The content in byte format
+     * @return The content in byte format
      */
     public byte[] toSerializedForm();
 
@@ -59,7 +59,7 @@ public interface KadContent
      *
      * @param data The object in byte format
      *
-     * @return A new object from the given byte[]
+     * @return A new object from the given
      */
     public KadContent fromSerializedForm(byte[] data);
 }

src/kademlia/message/SimpleReceiver.java

@@ -14,12 +14,12 @@ public class SimpleReceiver implements Receiver
     @Override
     public void receive(Message incoming, int conversationId)
     {
-        
+        //System.out.println("Received message: " + incoming);
     }
 
     @Override
     public void timeout(int conversationId) throws IOException
     {
-        
+        //System.out.println("SimpleReceiver message timeout.");
     }
 }

src/kademlia/operation/NodeLookupOperation.java

@@ -40,8 +40,6 @@ public class NodeLookupOperation implements Operation, Receiver
     private final KademliaNode localNode;
     private final KadConfiguration config;
 
-    private boolean error;
-
     private final Message lookupMessage;        // Message sent to each peer
     private final Map<Node, String> nodes;
 
@@ -87,8 +85,6 @@ public class NodeLookupOperation implements Operation, Receiver
     {
         try
         {
-            error = true;
-
             /* Set the local node as already asked */
             nodes.put(this.localNode.getNode(), ASKED);
 
@@ -100,7 +96,7 @@ public class NodeLookupOperation implements Operation, Receiver
 
             /* If we haven't finished as yet, wait for a maximum of config.operationTimeout() time */
             int totalTimeWaited = 0;
-            int timeInterval = 10;     // We re-check every 300 milliseconds
+            int timeInterval = 10;     // We re-check every n milliseconds
             while (totalTimeWaited < this.config.operationTimeout())
             {
                 if (!this.askNodesorFinish())
@@ -114,17 +110,6 @@ public class NodeLookupOperation implements Operation, Receiver
                 }
             }
 
-            /**
-             * There is no need to throw an exception here!
-             * If the operation times out means we didn't get replies from all nodes,
-             * so lets just simply return the K-Closest nodes we knoe
-             */
-//            if (error)
-//            {
-//                /* If we still haven't received any responses by then, do a routing timeout */
-//                throw new RoutingException("Node Lookup Timeout.");
-//            }
-
             /* Now after we've finished, we would have an idea of offline nodes, lets update our routing table */
             this.localNode.getRoutingTable().setUnresponsiveContacts(this.getFailedNodes());
 
@@ -182,7 +167,6 @@ public class NodeLookupOperation implements Operation, Receiver
         if (unasked.isEmpty() && this.messagesTransiting.isEmpty())
         {
             /* We have no unasked nodes nor any messages in transit, we're finished! */
-            error = false;
             return true;
         }