fix null reference in web socket connection

1 files changed, 4 insertions, 0 deletions

diff --git a/MediaBrowser.Server.Implementations/Session/SessionWebSocketListener.cs b/MediaBrowser.Server.Implementations/Session/SessionWebSocketListener.cs
index 72ec16f85..7cbff9768 100644
--- a/MediaBrowser.Server.Implementations/Session/SessionWebSocketListener.cs
+++ b/MediaBrowser.Server.Implementations/Session/SessionWebSocketListener.cs
@@ -99,6 +99,10 @@ namespace MediaBrowser.Server.Implementations.Session
         private Task<SessionInfo> GetSession(NameValueCollection queryString, string remoteEndpoint)
         {
             var token = queryString["api_key"];
+            if (string.IsNullOrWhiteSpace(token))
+            {
+                return Task.FromResult<SessionInfo>(null);
+            }
             return _sessionManager.GetSessionByAuthenticationToken(token, remoteEndpoint);
         }