Merge pull request #3097 from kfeuz/server_memory_leak

Server check for dead clients while checking for available messages

java/libraries/net/src/processing/net/Server.java

@@ -220,6 +220,16 @@ public class Server implements Runnable {
       for (int i = 0; i < clientCount; i++) {
         int which = (index + i) % clientCount;
         Client client = clients[which];
+        //Check for valid client
+        if (!client.active()){
+          removeIndex(which);  //Remove dead client
+          i--;                 //Don't skip the next client
+          //If the client has data make sure lastAvailable
+          //doesn't end up skipping the next client
+          which--;
+          //fall through to allow data from dead clients
+          //to be retreived.
+        }
         if (client.available() > 0) {
           lastAvailable = which;
           return client;