AWS Lambda连接到SQL Server（非RDS）超时

Question

我正在使用Entityframework从AWS Lambda，VPC连接到SQL Server 2008，其他设置也可以。但是仍然无法连接。我们的Intranet通过VPN连接到AWS，SQL Server在我们的Intranet中。

  

错误：{“ message”：“连接超时已过期。超时时间   在登录后阶段已过去。连接可能已计时   等待服务器完成登录过程，然后   响应;否则可能会在尝试创建时超时   多个活动连接。尝试花费的时间   连接到该服务器是-[登录前]初始化= 66；   握手= 452; [登录]初始化= 0;认证= 2;   [登录后]完成= 14214； “，”源“：”核心.Net SqlClient数据   提供者”，“ stackTrace”：“”位于   System.Data.SqlClient.SqlInternalConnectionTds..ctor（DbConnectionPoolIdentity   身份，SqlConnectionString connectionOptions，SqlCredential   凭证，对象providerInfo，字符串newPassword，SecureString   newSecurePassword，布尔型redirectedUserInstance，SqlConnectionString   userConnectionOptions，SessionData reconnectSessionData，布尔   applyTransientFaultHandling）\ n在   System.Data.SqlClient.SqlConnectionFactory.CreateConnection（DbConnectionOptions   选项，DbConnectionPoolKey poolKey，对象poolGroupProviderInfo，   DbConnectionPool池，DbConnection owningConnection，   DbConnectionOptions userOptions）\ n在   System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection（DbConnectionPool   池，DbConnection owningObject，DbConnectionOptions选项，   DbConnectionPoolKey poolKey，DbConnectionOptions userOptions）\ n在   System.Data.ProviderBase.DbConnectionPool.CreateObject（DbConnection   owningObject，DbConnectionOptions，userOptions，DbConnectionInternal   oldConnection）\ n在   System.Data.ProviderBase.DbConnectionPool.UserCreateRequest（DbConnection   owningObject，DbConnectionOptions，userOptions，DbConnectionInternal   oldConnection）\ n在   System.Data.ProviderBase.DbConnectionPool.TryGetConnection（DbConnection   owningObject，UInt32 waitForMultipleObjectsTimeout，布尔值   allowCreate，仅布尔值OneCheckConnection，DbConnectionOptions   userOptions，DbConnectionInternal＆connection）\ n   System.Data.ProviderBase.DbConnectionPool.TryGetConnection（DbConnection   owningObject，TaskCompletionSource 1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)\n at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource 1重试，DbConnectionOptions   userOptions，DbConnectionInternal oldConnection，DbConnectionInternal＆   连接）\ n   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal（DbConnection   externalConnection，DbConnectionFactory connectionFactory，   TaskCompletionSource 1 retry, DbConnectionOptions userOptions)\n at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource 1重试，DbConnectionOptions userOptions）\ n在   System.Data.SqlClient.SqlConnection.TryOpen（TaskCompletionSource 1 retry)\n at System.Data.SqlClient.SqlConnection.Open()\n at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenDbConnection(Boolean errorsExpected)\n at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.Open(Boolean errorsExpected)\n at Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable 1.Enumerator.BufferlessMoveNext（DbContext   _，布尔缓冲区）\ n在Microsoft.EntityFrameworkCore.SqlServer.Storage.Internal.SqlServerExecutionStrategy.Execute [TState，TResult]（TState   状态，Func 3 operation, Func 3验证成功）\ n   Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable 1.Enumerator.MoveNext()\n at Microsoft.EntityFrameworkCore.Query.QueryMethodProvider.GetResult[TResult](IEnumerable 1   valueBuffers，布尔型throwOnNullResult）\ n在   Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.ResultEnumerable 1.GetEnumerator()\n at Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.ExceptionInterceptor 1.EnumeratorExceptionInterceptor.MoveNext（）\ n   在System.Linq.Enumerable.TryGetFirst [TSource]（IEnumerable 1 source, Boolean& found)\n at System.Linq.Enumerable.First[TSource](IEnumerable 1源）处\ n   Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler。<> c__DisplayClass15_1 1.<CompileQueryCore>b__0(QueryContext qc)\n at System.Linq.Queryable.Count[TSource](IQueryable 1源）\ n   在   AWSServerlessApiCore.Controllers.ProductsController.GetSrcB2cShopProducts（字符串   关键字）   “}