3
나는 2 분 간격으로 실행되는 많은 석영 windows 서비스와 함께 azure sql을 사용하고 있습니다. 때때로 다음과 같은 오류가 발생합니다.Sql Azure - 자주 발생하는 시간 초과 오류
Message:An error occurred while executing the command definition. See the inner
exception for details.|System.Data.SqlClient.SqlException (0x80131904): A
transport-level error has occurred when receiving results from the server.
(provider: Session Provider, error: 19 - Physical connection is not usable) at
System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean
breakConnection, Action`1 wrapCloseInAction) at
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception,
Boolean breakConnection, Action`1 wrapCloseInAction) at
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject
stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at
System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject
stateObj, UInt32 error) at
System.Data.SqlClient.TdsParserStateObject.ReadSniSyncOverAsync() at
System.Data.SqlClient.TdsParserStateObject.TryReadNetworkPacket() at
System.Data.SqlClient.TdsParserStateObject.TryPrepareBuffer() at
System.Data.SqlClient.TdsParserStateObject.TryReadByte(Byte& value) at
System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand
cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler,
TdsParserStateObject stateObj, Boolean& dataReady) at
System.Data.SqlClient.SqlDataReader.TryConsumeMetaData() at
System.Data.SqlClient.SqlDataReader.get_MetaData() at
System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior
runBehavior, String resetOptionsString) at
System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior,
RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task&
task, Boolean asyncWrite, SqlDataReader ds) at
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior,
RunBehavior runBehavior, Boolean returnStream, String method,
TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean asyncWrite)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior,
RunBehavior runBehavior, Boolean returnStream, String method) at
System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String
method) at System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior
behavior) at System.Data.Common.DbCommand.ExecuteReader(CommandBehavior behavior)
at
System.Data.Entity.Infrastructure.Interception.DbCommandDispatcher.<>c__DisplayClass
b.b__8() at
System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch[TInterc
eptionContext,TResult](Func`1 operation, TInterceptionContext interceptionContext,
Action`1 executing, Action`1 executed) at
System.Data.Entity.Infrastructure.Interception.DbCommandDispatcher.Reader(DbCommand
command, DbCommandInterceptionContext interceptionContext) at
System.Data.Entity.Internal.InterceptableDbCommand.ExecuteDbDataReader(CommandBehavi
or behavior) at System.Data.Common.DbCommand.ExecuteReader(CommandBehavior
behavior) at
System.Data.Entity.Core.EntityClient.Internal.EntityCommandDefinition.ExecuteStoreCo
mmands(EntityCommand entityCommand, CommandBehavior behavior)
ClientConnectionId:9a85a9a9-69aa-4a68-8e05-e54adf5ac318
모든 문제 해결 방법? 우리는 "사용"블록에서 EF 6.1 및 열린 컨텍스트를 사용하고 있습니다.
일시적인 오류가 발생할 가능성이 가장 높음 http://www.asp.net/aspnet/overview/developing-apps-with-windows-azure/building-real-world-cloud-apps- with-windows-azure/transient-fault-handling – pateketu
참조 http://stackoverflow.com/questions/23290720/azure-website-sometimes-cant-connect-to-sql-azure-database/23295389#23295389 – CSharpRocks