Fix ArgumentNullException

martincostello · martincostello · commit 20611f83b71d · 2025-07-15T09:35:25.000+01:00
Fix `ArgumentNullException` caused by `Buckets` being `null` by default in v4 of the AWS SDK.
diff --git a/examples/net8.0/aspnetcore/Controllers/AwsController.cs b/examples/net8.0/aspnetcore/Controllers/AwsController.cs
@@ -17,7 +17,7 @@ public async Task<ActionResult<string[]>> ListBuckets()
     {
         var response = await client.ListBucketsAsync();
 
-        var buckets = response.Buckets.Select(o => o.BucketName).ToArray();
+        var buckets = response.Buckets?.Select(o => o.BucketName).ToArray() ?? [];
 
         logger.LogInformation("Found {Count} buckets.", buckets.Length);
 

Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,7 @@ public async Task<ActionResult<string[]>> ListBuckets()`
`17`	`17`	`{`
`18`	`18`	`var response = await client.ListBucketsAsync();`
`19`	`19`
`20`		`- var buckets = response.Buckets.Select(o => o.BucketName).ToArray();`
	`20`	`+ var buckets = response.Buckets?.Select(o => o.BucketName).ToArray() ?? [];`
`21`	`21`
`22`	`22`	`logger.LogInformation("Found {Count} buckets.", buckets.Length);`
`23`	`23`