从 sql azure 检索大量数据时出现以下错误。我已经实现了瞬态故障处理,但仍然收到此错误
说明:执行当前 Web 请求期间发生未处理的异常。请查看堆栈跟踪以获取有关错误及其源自代码的位置的更多信息。
异常详细信息:System.ComponentModel.Win32Exception:等待操作超时
源错误:
在执行当前 Web 请求期间生成了未处理的异常。可以使用下面的异常堆栈跟踪来识别有关异常起源和位置的信息。
堆栈跟踪:
[Win32Exception (0x80004005): 等待操作超时]
[SqlException (0x80131904): 超时。操作完成前超时时间已过或服务器未响应。] System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action1 wrapCloseInAction) +1789270
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action
1 wrapCloseInAction) +5340622 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) +244 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet stateOjbjHandler, TdsParser , Boolean& dataReady) +1691 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +275 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32超时,任务和任务,布尔 asyncWrite,SqlDataReader ds)+1421 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior,RunBehavior runBehavior,Boolean returnStream、String 方法、TaskCompletionSource1 completion, Int32 timeout, Task& task, Boolean asyncWrite) +177
System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource
1 完成,String methodName,Boolean sendToPipe,Int32 timeout,Boolean asyncWrite) +208 System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +163 System.Web.SessionState.SqlSessionStateStore.SqlExecuteNonQueryWithRetry(SqlCommand cmd, Boolean ignoreInsertPKException, String id) + 98
[HttpException (0x80004005): 无法连接到 SQL Server 会话数据库。] System.Web.SessionState.SqlSessionStateStore.ThrowSqlConnectionException(SqlConnection conn, Exception e) +235 System.Web.SessionState.SqlSessionStateStore.SqlExecuteNonQueryWithRetry(SqlCommand cmd, Boolean ignoreInsertPKException, String id) +390 System.Web.SessionState.SqlSessionStateStore.SetAndReleaseItemExclusive(HttpContext context, String id, SessionStateStoreData item, Object lockId, Boolean newItem) +589 System.Web.SessionState.SessionStateModule.OnReleaseState(Object source, EventArgs eventArgs) +565 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +136 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +69
版本信息:Microsoft .NET Framework 版本:4.0.30319;ASP.NET 版本:4.0.30319.34009