“/”应用程序中的服务器错误。

超时时间已到。超时时间已到,但是尚未从池中获取连接。出现这种情况可能是因为所有池连接均在使用,并且达到了最大池大小。

说明: 执行当前 Web 请求期间,出现未经处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.InvalidOperationException: 超时时间已到。超时时间已到,但是尚未从池中获取连接。出现这种情况可能是因为所有池连接均在使用,并且达到了最大池大小。

源错误:


[没有相关的源行]

源文件: c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\7b7ba9e5\565f7b9e\App_Web_wnu5c4ta.2.cs    行: 0

堆栈跟踪:


[InvalidOperationException: 超时时间已到。超时时间已到,但是尚未从池中获取连接。出现这种情况可能是因为所有池连接均在使用,并且达到了最大池大小。]
   System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +424
   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +312
   System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +126
   System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +255
   System.Data.SqlClient.SqlConnection.Open() +128
   DTcms.DBUtility.DbHelperSQL.PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, String cmdText, SqlParameter[] cmdParms) in e:\HNRJWEB\DTcms.DBUtility\DbHelperSQL.cs:1012
   DTcms.DBUtility.DbHelperSQL.GetSingle(String SQLString, SqlParameter[] cmdParms) in e:\HNRJWEB\DTcms.DBUtility\DbHelperSQL.cs:871
   DTcms.DBUtility.DbHelperSQL.Exists(String strSql, SqlParameter[] cmdParms) in e:\HNRJWEB\DTcms.DBUtility\DbHelperSQL.cs:112
   DTcms.DAL.article_category.Exists(Int32 id) in e:\HNRJWEB\DTcms.DAL\article_category.cs:34
   DTcms.BLL.article_category.Exists(Int32 id) in e:\HNRJWEB\DTcms.BLL\article_category.cs:26
   DTcms.Web.UI.Page.article_list.ShowPage() in e:\HNRJWEB\DTcms.Web.UI\Page\article_list.cs:28
   DTcms.Web.UI.BasePage..ctor() in e:\HNRJWEB\DTcms.Web.UI\BasePage.cs:35
   DTcms.Web.UI.Page.article_list..ctor() in e:\HNRJWEB\DTcms.Web.UI\Page\article_list.cs:16
   ASP.aspx_main_news_list_aspx..ctor() in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\7b7ba9e5\565f7b9e\App_Web_wnu5c4ta.2.cs:0
   __ASP.FastObjectFactory_app_web_wnu5c4ta.Create_ASP_aspx_main_news_list_aspx() in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\7b7ba9e5\565f7b9e\App_Web_wnu5c4ta.17.cs:0
   System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp) +132
   System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +44
   System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +375
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.7.2623.0