From 493b0842db7a33c27d91680ce0015c59af212e0b Mon Sep 17 00:00:00 2001
From: halityurttas <halityurttas@gmail.com>
Date: Sat, 11 Apr 2020 13:58:21 +0300
Subject: [PATCH] Resolve null referance exception from non existing path

---
 CFStarter/MainForm.cs               |  3 ++-
 CFStarter/XmlSerializationHelper.cs | 13 ++++++++++---
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/CFStarter/MainForm.cs b/CFStarter/MainForm.cs
index aac5d6f..10b8c03 100644
--- a/CFStarter/MainForm.cs
+++ b/CFStarter/MainForm.cs
@@ -45,7 +45,8 @@ private void MainForm_Load(object sender, EventArgs e)
                 txtCfPath.Text = ConfigurationManager.AppSettings["cfpath"];
                 
                 var setting = XmlSerializationHelper.Deserialize<ServerConf.Server>(ConfigurationManager.AppSettings["cfpath"] + "\\runtime\\conf\\server.xml");
-                txtAppPath.Text = setting.Service.Engine.Host.Context.DocBase;
+                if (setting != null)
+                    txtAppPath.Text = setting.Service.Engine.Host.Context.DocBase;
                 
             }
         }
diff --git a/CFStarter/XmlSerializationHelper.cs b/CFStarter/XmlSerializationHelper.cs
index eb12aab..3cb2062 100644
--- a/CFStarter/XmlSerializationHelper.cs
+++ b/CFStarter/XmlSerializationHelper.cs
@@ -16,10 +16,17 @@ public static void Serialize<T>(string filename, T obj)
 
         public static T Deserialize<T>(string filename)
         {
-            XmlSerializer xs = new XmlSerializer(typeof(T));
-            using (StreamReader rd = new StreamReader(filename))
+            try
+            { 
+                XmlSerializer xs = new XmlSerializer(typeof(T));
+                using (StreamReader rd = new StreamReader(filename))
+                {
+                    return (T)xs.Deserialize(rd);
+                }
+            }
+            catch (System.Exception)
             {
-                return (T)xs.Deserialize(rd);
+                return default(T);
             }
         }
     }