From cc14f86bd3438435ce735d56ff623bd911a6f5ca Mon Sep 17 00:00:00 2001
From: liangshiwei <liangshiw@outlook.com>
Date: Thu, 9 Jun 2022 15:19:10 +0800
Subject: [PATCH] Ignore exception when adding headers

---
 .../Extensibility/BlazorServerLookupApiRequestService.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/framework/src/Volo.Abp.AspNetCore.Components.Server/Volo/Abp/AspNetCore/Components/Server/Extensibility/BlazorServerLookupApiRequestService.cs b/framework/src/Volo.Abp.AspNetCore.Components.Server/Volo/Abp/AspNetCore/Components/Server/Extensibility/BlazorServerLookupApiRequestService.cs
index 2071e40f0b..06e21c02f5 100644
--- a/framework/src/Volo.Abp.AspNetCore.Components.Server/Volo/Abp/AspNetCore/Components/Server/Extensibility/BlazorServerLookupApiRequestService.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Components.Server/Volo/Abp/AspNetCore/Components/Server/Extensibility/BlazorServerLookupApiRequestService.cs
@@ -64,7 +64,14 @@ public class BlazorServerLookupApiRequestService : ILookupApiRequestService, ITr
                 client.BaseAddress = new Uri(baseUrl);
                 foreach (var header in HttpContextAccessor.HttpContext.Request.Headers)
                 {
-                    requestMessage.Headers.Add(header.Key, header.Value.ToArray());
+                    try
+                    {
+                        requestMessage.Headers.Add(header.Key, header.Value.ToArray());
+                    }
+                    catch (Exception _) //ServerPrerendered
+                    {
+                        // ignored
+                    }
                 }
             }
         }