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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...Scheduler Not WorkingScheduler Not Working
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4/20/2007 2:40 PM
 
herman howard

Joined: 7/22/2005
Posts: 19

INTRO & SETUP
I am having a problem with the scheduler not working correctly.   I have about 8 parent portals and about 5 child portals.  My configuration is on two separate servers (web server and database server):

DNN 4.0.1
IIS 6.0 
2 servers with Windows 2003
SQL Server 2005 SP1

ERROR MESSAGE:
"Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
Message: System.Data.SqlClient.SqlException: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlDataReader.ConsumeMetaData() at System.Data.SqlClient.SqlDataReader.get_MetaData() at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(SqlConnection connection, SqlTransaction transaction, CommandType commandType, String commandText, SqlParameter[] commandParameters, SqlConnectionOwnership connectionOwnership) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteReader(String connectionString, String spName, Object[] parameterValues) at DotNetNuke.Services.Scheduling.DNNScheduling.SqlDataProvider.GetNextScheduledTask(String Server) at DotNetNuke.Services.Scheduling.DNNScheduling.SchedulingController.GetNextScheduledTask(String Server) at DotNetNuke.Services.Scheduling.DNNScheduling.DNNScheduler.GetNextScheduledTask(String Server) at DotNetNuke.Services.Scheduling.SchedulingProvider.set_ScheduleLastPolled(DateTime Value) at DotNetNuke.Common.Global.Application_BeginRequest(Object sender, EventArgs e)"

After searching online I found this on a forum

" The code on your site is opening multiple SqlClient connections to our MSSQL server and does not release or reuse them, in effect it is cause a DOS (Denial Of Service) to other SQL clients. After 5 minutes of operation it had 126 active SqlClient connections and is causing massive IO hit on our server.Any help with this is very appreciated.  "

I was not sure if this is correct and I was wondering if anyone else had the same problem?  If so, have you resolved it? What did you do to fix?
 
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