From 175280b38178e0233316e7de148f2aef66a98368 Mon Sep 17 00:00:00 2001
From: LevelX2 <ludwig.hirth@online.de>
Date: Thu, 14 Aug 2014 11:49:46 +0200
Subject: [PATCH] Setting java.util.Arrays.useLegacyMergeSort=true in client
 main to avoid Comparison method violates its general contract of swing class.
 (Fixes #451).

---
 Mage.Client/src/main/java/mage/client/MageFrame.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Mage.Client/src/main/java/mage/client/MageFrame.java b/Mage.Client/src/main/java/mage/client/MageFrame.java
index 5e3bdc3201..8e0de5ec23 100644
--- a/Mage.Client/src/main/java/mage/client/MageFrame.java
+++ b/Mage.Client/src/main/java/mage/client/MageFrame.java
@@ -172,7 +172,9 @@ public class MageFrame extends javax.swing.JFrame implements MageClient {
 
         setTitle("XMage, version " + version);
         clientId = UUID.randomUUID();
-
+        // Workaround for #451
+        System.setProperty("java.util.Arrays.useLegacyMergeSort", "true");
+        
         EDTExceptionHandler.registerExceptionHandler();
         addWindowListener(new WindowAdapter() {
             @Override