An unexpected error has occured.
System.Web.HttpUnhandledException (0x80004005): Exception of type 'System.Web.HttpUnhandledException' was thrown. ---> System.Exception: Commerce.Nop_Api_ProductLoadByKeywords_3 @RETURN_VALUE='', @StoreId='8132', @Keywords='', <br /> ---> System.Data.SqlClient.SqlException: Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake failed or the server was unable to respond back in time. The duration spent while attempting to connect to this server was - [Pre-Login] initialization=5; handshake=10012; ---> System.ComponentModel.Win32Exception: The wait operation timed out --- End of inner exception stack trace --- at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.Open() at Microsoft.Practices.EnterpriseLibrary.Data.Database.GetNewOpenConnection() at Microsoft.Practices.EnterpriseLibrary.Data.Database.GetWrappedConnection() at Microsoft.Practices.EnterpriseLibrary.Data.Database.ExecuteReader(DbCommand command) at NopSolutions.NopCommerce.DataAccess.StoreExtensions.ExecuteReaderEx(Database db, DbCommand command) in C:\azbuildagent\_work\364\s\Libraries\Nop.DataAccess.SqlServer\NopSqlDataHelper.cs:line 622 --- End of inner exception stack trace --- at NopSolutions.NopCommerce.DataAccess.StoreExtensions.ExecuteReaderEx(Database db, DbCommand command) in C:\azbuildagent\_work\364\s\Libraries\Nop.DataAccess.SqlServer\NopSqlDataHelper.cs:line 637 at NopSolutions.NopCommerce.DataAccess.Products.SqlProductProvider.GetApiProductsByKeywords(Int32 storeId, String keywords) in C:\azbuildagent\_work\364\s\Libraries\Nop.DataAccess.SqlServer\Products\SqlProductProvider.cs:line 546 at NopSolutions.NopCommerce.BusinessLogic.Products.ProductManager.GetApiProductsByKeywords(Int32 storeId, String keywords, Boolean showWithPersonalization, Int32 p, Int32 ps, String o, String pr, Int32& totalItems, Int32& totalPages) in C:\azbuildagent\_work\364\s\Libraries\Nop.BusinessLogic\Products\ProductManager.cs:line 1065 at NopSolutions.NopCommerce.BusinessLogic.SEO.Sitemaps.SitemapGenerator.WriteProducts() in C:\azbuildagent\_work\364\s\Libraries\Nop.BusinessLogic\SEO\Sitemaps\SitemapGenerator.cs:line 87 at NopSolutions.NopCommerce.BusinessLogic.SEO.Sitemaps.SitemapGenerator.GenerateUrlNodes(String type) in C:\azbuildagent\_work\364\s\Libraries\Nop.BusinessLogic\SEO\Sitemaps\SitemapGenerator.cs:line 47 at NopSolutions.NopCommerce.BusinessLogic.SEO.Sitemaps.BaseSitemapGenerator.Generate(String type, Stream stream) in C:\azbuildagent\_work\364\s\Libraries\Nop.BusinessLogic\SEO\Sitemaps\BaseSitemapGenerator.cs:line 83 at NopSolutions.NopCommerce.BusinessLogic.SEO.Sitemaps.BaseSitemapGenerator.Generate(String type) in C:\azbuildagent\_work\364\s\Libraries\Nop.BusinessLogic\SEO\Sitemaps\BaseSitemapGenerator.cs:line 63 at NopSolutions.NopCommerce.Web.SitemapSEOPage.Page_Load(Object sender, EventArgs e) in C:\azbuildagent\_work\364\s\Store\Store-SitemapSEO.aspx.cs:line 15 at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.store_sitemapseo_aspx.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
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