我正在使用azure sql和许多石英窗口服务，每2分钟运行一次。我有时会得到以下错误
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
任何想法如何解决这个问题？我们正在使用EF 6.1和开放上下文＆＃34;使用＆＃34;块。