Asp.Net Core WebAPI使用AWS CloudWatch Log且未配置RegionEndpoint或ServiceURL错误

问题描述

当我尝试在Azure App Service中部署Asp.Net Core WebApi时，出现以下错误。我的WebApi使用Serilog.Sinks.AwsCloudWatch。

Exception Info: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
 ---> Amazon.Runtime.AmazonClientException: No RegionEndpoint or ServiceURL configured
   at Amazon.Runtime.ClientConfig.Validate()
   at Amazon.Runtime.AmazonServiceClient..ctor(AWSCredentials credentials,ClientConfig config)
   at Amazon.CloudWatchLogs.AmazonCloudWatchLogsClient..ctor()
   at Serilog.Sinks.AwsCloudWatch.AwsCloudWatchConfigurationExtension.AmazonCloudWatch(LoggerSinkConfiguration loggerConfiguration,String logGroup,ILogStreamNameProvider logStreamNameProvider,LogEventLevel restrictedToMinimumLevel,Int32 batchSizeLimit,Int32 batchUploadPeriodInSeconds,Boolean createLogGroup,Int32 queueSizeLimit,Byte maxRetryAttempts,LogGroupRetentionPolicy logGroupRetentionPolicy,ITextFormatter textFormatter,IAmazonCloudWatchLogs cloudWatchClient)
   at Serilog.Sinks.AwsCloudWatch.AwsCloudWatchConfigurationExtension.AmazonCloudWatch(LoggerSinkConfiguration loggerConfiguration,String logStreamPrefix,Boolean appendUniqueInstanceGuid,Boolean appendHostName,IAmazonCloudWatchLogs cloudWatchClient)
   --- End of inner exception stack trace ---

appSettings.json中的配置为

"Serilog": {
    "Using": [ "Serilog.Sinks.AwsCloudWatch" ],"Region": "ap-southeast-2","WriteTo": [
      {
        "Name": "AmazonCloudWatch","Args": {
          "logGroup": "test-logger","logStreamPrefix": "development","restrictedToMinimumLevel": "Error"
        }
      }
    ]
  }

AWS凭证检索为

    public class RegisterAwsCredentials
    {
        public static void Register()
        {
            var options = new CredentialProfileOptions
            {
                AccessKey = Environment.GetEnvironmentVariable("AWS.Key"),SecretKey = Environment.GetEnvironmentVariable("AWS.Secret"),};
            var profile = new CredentialProfile("basic_profile",options);
            profile.Region = RegionEndpoint.APSoutheast2;
            var netSDKFile = new SharedCredentialsFile();
            netSDKFile.RegisterProfile(profile);
        }
    }

当我在本地运行代码时，它可以正常工作。仅当我尝试将其部署到Azure中的App Service时才会发生。

任何人都可以给点建议吗？谢谢

解决方法

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