Update Mojang auth address

Author: LexManos

src/main/java/net/minecraftforge/installer/DownloadUtils.java

@@ -16,6 +16,7 @@
 import java.nio.file.Files;
 import java.nio.file.StandardCopyOption;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.function.Function;
 import java.util.stream.Collectors;
@@ -257,12 +258,12 @@ private static URLConnection getConnection(String address) {
             return connection;
         } catch (SSLHandshakeException e) {
             System.out.println("Failed to establish connection to " + address);
-            System.out.println(" Host: " + url.getHost() + " [" + getIps(url.getHost()).stream().collect(Collectors.joining(", ")) + "]");
+            System.out.println(" Host: " + url.getHost() + " [" + getIpString(url.getHost()) + "]");
             e.printStackTrace();
             return null;
         } catch (IOException e) {
             System.out.println("Failed to establish connection to " + address);
-            System.out.println(" Host: " + url.getHost() + " [" + getIps(url.getHost()).stream().collect(Collectors.joining(", ")) + "]");
+            System.out.println(" Host: " + url.getHost() + " [" + getIpString(url.getHost()) + "]");
             e.printStackTrace();
             return null;
         }
@@ -273,9 +274,12 @@ public static List<String> getIps(String host) {
             InetAddress[] addresses = InetAddress.getAllByName(host);
             return Arrays.stream(addresses).map(InetAddress::getHostAddress).collect(Collectors.toList());
         } catch (UnknownHostException e1) {
-            e1.printStackTrace();
+            return Arrays.asList("Unknown");
         }
-        return null;
+    }
+
+    public static String getIpString(String host) {
+        return getIps(host).stream().collect(Collectors.joining(", "));
     }
 
     public static boolean checkCertificate(String host) {

src/main/java/net/minecraftforge/installer/SimpleInstaller.java

@@ -19,7 +19,6 @@
 import java.util.Locale;
 import java.util.Map;
 import java.util.regex.Pattern;
-import java.util.stream.Collectors;
 
 import javax.swing.JOptionPane;
 import javax.swing.UIManager;
@@ -96,9 +95,10 @@ public static void main(String[] args) throws IOException, URISyntaxException {
                 "libraries.minecraft.net",
                 "launchermeta.mojang.com",
                 "piston-meta.mojang.com",
+                "sessionserver.mojang.com",
                 "authserver.mojang.com",
             }) {
-                monitor.message("Host: " + host + " [" + DownloadUtils.getIps(host).stream().collect(Collectors.joining(", ")) + "]");
+                monitor.message("Host: " + host + " [" + DownloadUtils.getIpString(host) + "]");
             }
 
             for (String host : new String[] {