update server core project

Emby.Server.Core/UnhandledExceptionWriter.cs

@@ -0,0 +1,38 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Model.Logging;
+using System;
+using System.IO;
+
+namespace Emby.Server.Core
+{
+    public class UnhandledExceptionWriter
+    {
+        private readonly IApplicationPaths _appPaths;
+        private readonly ILogger _logger;
+        private readonly ILogManager _logManager;
+
+        public UnhandledExceptionWriter(IApplicationPaths appPaths, ILogger logger, ILogManager logManager)
+        {
+            _appPaths = appPaths;
+            _logger = logger;
+            _logManager = logManager;
+        }
+
+        public void Log(Exception ex)
+        {
+            _logger.ErrorException("UnhandledException", ex);
+            _logManager.Flush();
+
+            var path = Path.Combine(_appPaths.LogDirectoryPath, "unhandled_" + Guid.NewGuid() + ".txt");
+			Directory.CreateDirectory(Path.GetDirectoryName(path));
+
+            var builder = LogHelper.GetLogMessage(ex);
+
+            // Write to console just in case file logging fails
+            Console.WriteLine("UnhandledException");
+            Console.WriteLine(builder.ToString());
+            
+			File.WriteAllText(path, builder.ToString());
+        }
+    }
+}

Emby.Server.Core/project.json

@@ -8,7 +8,7 @@
   "frameworks": {
     "net46": {
       "frameworkAssemblies": {
-        
+        "System.Runtime": "4.0.0"
       },
       "dependencies": {
         "MediaBrowser.Model": {