Server Error in '/' Application.

System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Exception: UmtPortal.Controller.SiteManagementController:GetSiteTree ---> System.Exception: 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=1383; handshake=14683;
umtweb ---> System.ComponentModel.Win32Exception: The wait operation timed out
  --- End of inner exception stack trace ---
  at UMT.Controller.Common.DataBase.OpenConnection(Boolean blnIsConnection)
  at UMT.Controller.Common.BaseController.get_Connection()
  at UMT.Controller.SiteManagmentController.SearchSites(Int32& intTotalRecords, String strPager, Nullable`1 intType, String strFilter, Nullable`1 blnActiveFlag, Boolean blnDeletedFlag, Nullable`1 intParentSiteIdRef)
  at UMT.Controller.SiteManagmentController.GetSiteTree(Nullable`1 blnActiveFlag, Boolean blnDeletedFlag, Int32 intParentSiteIdRef)
  --- End of inner exception stack trace ---
  at UMT.Controller.SiteManagmentController.GetSiteTree(Nullable`1 blnActiveFlag, Boolean blnDeletedFlag, Int32 intParentSiteIdRef)
  at UMT.api.umtService.GetChildSites(String strTokenKey, Int32 intParentSiteId)
  --- End of inner exception stack trace ---

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.Services.Protocols.SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Exception: UmtPortal.Controller.SiteManagementController:GetSiteTree ---> System.Exception: 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=1383; handshake=14683;
umtweb ---> System.ComponentModel.Win32Exception: The wait operation timed out
  --- End of inner exception stack trace ---
  at UMT.Controller.Common.DataBase.OpenConnection(Boolean blnIsConnection)
  at UMT.Controller.Common.BaseController.get_Connection()
  at UMT.Controller.SiteManagmentController.SearchSites(Int32& intTotalRecords, String strPager, Nullable`1 intType, String strFilter, Nullable`1 blnActiveFlag, Boolean blnDeletedFlag, Nullable`1 intParentSiteIdRef)
  at UMT.Controller.SiteManagmentController.GetSiteTree(Nullable`1 blnActiveFlag, Boolean blnDeletedFlag, Int32 intParentSiteIdRef)
  --- End of inner exception stack trace ---
  at UMT.Controller.SiteManagmentController.GetSiteTree(Nullable`1 blnActiveFlag, Boolean blnDeletedFlag, Int32 intParentSiteIdRef)
  at UMT.api.umtService.GetChildSites(String strTokenKey, Int32 intParentSiteId)
  --- End of inner exception stack trace ---

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Exception: UmtPortal.Controller.SiteManagementController:GetSiteTree ---> System.Exception: 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=1383; handshake=14683; 
umtweb ---> System.ComponentModel.Win32Exception: The wait operation timed out
   --- End of inner exception stack trace ---
   at UMT.Controller.Common.DataBase.OpenConnection(Boolean blnIsConnection)
   at UMT.Controller.Common.BaseController.get_Connection()
   at UMT.Controller.SiteManagmentController.SearchSites(Int32& intTotalRecords, String strPager, Nullable`1 intType, String strFilter, Nullable`1 blnActiveFlag, Boolean blnDeletedFlag, Nullable`1 intParentSiteIdRef)
   at UMT.Controller.SiteManagmentController.GetSiteTree(Nullable`1 blnActiveFlag, Boolean blnDeletedFlag, Int32 intParentSiteIdRef)
   --- End of inner exception stack trace ---
   at UMT.Controller.SiteManagmentController.GetSiteTree(Nullable`1 blnActiveFlag, Boolean blnDeletedFlag, Int32 intParentSiteIdRef)
   at UMT.api.umtService.GetChildSites(String strTokenKey, Int32 intParentSiteId)
   --- End of inner exception stack trace ---]
   System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall) +237812
   System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) +273
   UMT.Common.UMT.api.umtService.GetChildSites(String strTokenKey, Int32 intParentSiteId) +112
   UMT.Common.Utility.get_Sites() +55
   UMT.Common.RewriteModule.RewriteUrl(String strRawUrl) +482
   UMT.Common.RewriteModule.UrlRewriting(String strRawUrl) +544
   UMT.Common.RewriteModule.RewriteModule_BeginRequest(Object sender, EventArgs e) +73
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +142
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +93


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4676.0