Check cache value is not null.

framework/src/Volo.Abp.AspNetCore.Mvc.Client/Volo/Abp/AspNetCore/Mvc/Client/MvcRemoteTenantStore.cs

@@ -40,9 +40,9 @@ public class MvcRemoteTenantStore : ITenantStore, ITransientDependency
         }
 
         var tenantConfiguration = await Cache.GetAsync(cacheKey);
-        if (tenantConfiguration == null)
+        if (tenantConfiguration?.Value == null)
         {
-            await TenantAppService.FindTenantByNameAsync(normalizedName);
+            var tenant = await TenantAppService.FindTenantByNameAsync(normalizedName);
             tenantConfiguration = await Cache.GetAsync(cacheKey);
         }
 
@@ -65,7 +65,7 @@ public class MvcRemoteTenantStore : ITenantStore, ITransientDependency
         }
 
         var tenantConfiguration = await Cache.GetAsync(cacheKey);
-        if (tenantConfiguration == null)
+        if (tenantConfiguration?.Value == null)
         {
             await TenantAppService.FindTenantByIdAsync(id);
             tenantConfiguration = await Cache.GetAsync(cacheKey);
@@ -90,7 +90,7 @@ public class MvcRemoteTenantStore : ITenantStore, ITransientDependency
         }
 
         var tenantConfiguration = Cache.Get(cacheKey);
-        if (tenantConfiguration == null)
+        if (tenantConfiguration?.Value == null)
         {
             AsyncHelper.RunSync(async () => await TenantAppService.FindTenantByNameAsync(normalizedName));
             tenantConfiguration = Cache.Get(cacheKey);
@@ -115,7 +115,7 @@ public class MvcRemoteTenantStore : ITenantStore, ITransientDependency
         }
 
         var tenantConfiguration = Cache.Get(cacheKey);
-        if (tenantConfiguration == null)
+        if (tenantConfiguration?.Value == null)
         {
             AsyncHelper.RunSync(async () => await TenantAppService.FindTenantByIdAsync(id));
             tenantConfiguration = Cache.Get(cacheKey);

modules/tenant-management/src/Volo.Abp.TenantManagement.Domain/Volo/Abp/TenantManagement/TenantStore.cs

@@ -54,7 +54,7 @@ public class TenantStore : ITenantStore, ITransientDependency
         var cacheKey = CalculateCacheKey(id, normalizedName);
 
         var cacheItem = await Cache.GetAsync(cacheKey, considerUow: true);
-        if (cacheItem != null)
+        if (cacheItem?.Value != null)
         {
             return cacheItem;
         }
@@ -94,7 +94,7 @@ public class TenantStore : ITenantStore, ITransientDependency
         var cacheKey = CalculateCacheKey(id, normalizedName);
 
         var cacheItem = Cache.Get(cacheKey, considerUow: true);
-        if (cacheItem != null)
+        if (cacheItem?.Value != null)
         {
             return cacheItem;
         }