From 7cd3566140bfd369a41cd5e2d6709eecfc54f12c Mon Sep 17 00:00:00 2001
From: Thomas Hayden <thomas.hayden@edgenuity.com>
Date: Mon, 11 Jun 2018 10:28:23 -0700
Subject: [PATCH] Fixed an issue where the client can sometimes attempt write
 to a readonly node.

---
 src/Shared/StackExchangeClientConnection.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Shared/StackExchangeClientConnection.cs b/src/Shared/StackExchangeClientConnection.cs
index bbef7f06..d98b49c1 100644
--- a/src/Shared/StackExchangeClientConnection.cs
+++ b/src/Shared/StackExchangeClientConnection.cs
@@ -91,6 +91,12 @@ private object OperationExecutor(Func<object> redisOperation)
                     // Second call should pass if it was script not found issue
                     return redisOperation.Invoke();
                 }
+                if (e.Message.Contains("READONLY"))
+                {
+                    // Try once after reconnect
+                    _sharedConnection.ForceReconnect();
+                    return redisOperation.Invoke();
+                }
                 throw;
             }
         }