“/”应用程序中的服务器错误。

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行 162:            //暂时使用总库查询，不用分库的查询
行 163:           // itemData = PagerHelper.ExecuteDataTableToKVPair(db_node_selfserver_conn, CommandType.Text, sql, null);
行 164:            itemData = PagerHelper.ExecuteDataTableToKVPair(db_select_selfserver_conn, CommandType.Text, sql, null);
行 165:
行 166:

[Win32Exception (0x80004005): 等待的操作过时。]

[SqlException (0x80131904): 连接超时时间已到。在尝试使用预登录握手确认时超过了此超时时间。这可能是因为预登录握手失败或服务器未能及时响应。  尝试连接到此服务器时花费的持续时间是 - [Pre-Login] initialization=3；handshake=14996；]
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +357
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +79
   System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +201
   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +156
   System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +22
   System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +92
   System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +219
   System.Data.SqlClient.SqlConnection.Open() +101
   PagerHelper.SetCommand(SqlCommand command, SqlConnection conn, CommandType commandType, String commandText, SqlParameter[] commandParms) +93
   PagerHelper.ExecuteDataTableToKVPair(String connString, CommandType commandType, String commandText, SqlParameter[] commandParams) +241
   task_item2.OnPreInit(EventArgs e) in d:\iis\www.huohubook.com\task\item2.aspx.cs:164
   System.Web.UI.Page.PerformPreInit() +38
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +302