Internal Connection Fatal Error Sql Server 2000
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a number of ASP.Net websites (.Net v3.5) running on a server with a SQL 2000 database backend. For several months, I've been receiving seemingly random InvalidOperationExceptions with the message "Internal connection fatal error". Sometimes there's a few days in between, while other times there are multiple errors per day. The exception is not limited to one site in particular, though they share business and data access assemblies. The error seems internal fatal error definition to always be thrown from SqlClient.TdsParser.Run(). It sometimes is thrown from old-school direct SqlCommand.Execute() calls, while other times it is thrown from Linq2Sql code. I've been assured by the network guys that there are no errors or packets lost on their end. Has anyone else experienced this? Could it be a driver problem? We have been unable as of yet to pinpoint a specific trigger for this exception. We're running II6 on Windows Server 2003. asp.net sql-server iis-6 sql-server-2000 asp.net-3.5 share|improve this question asked Jul 20 '09 at 18:54 Chad Gilbert 10.8k22236 add a comment| 3 Answers 3 active oldest votes up vote 20 down vote accepted After a few months of ignoring this issue, it started to reach a critical mass as traffic gradually increased. Under heavy load, including some crawlers, things got crazy and these errors poured in nonstop. Through trial and error, we eventually tracked down a handful of SqlCommand or LINQ queries whose SqlConnection wasn't closed immediately after use. Instead, through some sloppy programming originating from a misunderstanding of LINQ connections, the DataContext objects were disposed (and connections closed) only at the end of a request rather than immediately. Once we refactored these methods to immediately close the connection with a C# "using" block (freeing u
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There Is Already An Open Datareader Associated With This Command Which Must Be Closed First.
we've been using it for a few days without any problems. But when I tried to connect to it from SSMS on a Vista x64 PC, I get this http://stackoverflow.com/questions/1155263/what-causes-internal-connection-fatal-errors error, as well as .NET Framework errors, e.g. Specified cast is not valid. I then set up a new PC with Windows 7 x64 and SQL 2008 R2, and I get the same problem. Is this a known issue? Have IT done something wrong installing SQL? Or do I have a problem on both x64 cliens? All https://social.msdn.microsoft.com/Forums/sqlserver/en-US/fc56b519-08f3-440b-9d76-ee4835908822/management-studio-internal-connection-fatal-error-systemdata-on-x64-clients?forum=sqltools our other clients are x86.Davesemm Wednesday, February 01, 2012 1:55 PM Reply | Quote All replies 0 Sign in to vote Hi Davesemm, Could you please post the detailed error message showed in the error log? And what is the detailed version of your failed OS and SQL Server? Best Regards, Peja Please remember to click "Mark as Answer" on the post that helps you, and to click "Unmark as Answer" if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Thursday, February 02, 2012 3:15 AM Reply | Quote 0 Sign in to vote Hi Peja, Here is the log. We use SQL Server authentication & connect via IPv4. There is an error on a login, SMSUser, but that was fixed after that message. Date,Source,Severity,Message 02/02/2012 00:00:03,spid22s,Unknown,This instance of SQL Server has been using a process ID of 1832 since 2012/01/31 11:27:28 AM (local) 2012/01/31 09:27:28 AM (UTC). This is an informational message only; no user action is req
I kip getting “InvalidOperationaException was unhandled by user code”On this line:dtrResults = cmdSelect.ExecuteReader()Same behaviour on developping PCI cant find anithing that would create that problem. http://www.bigresource.com/MS_SQL-Internal-connection-fatal-error--mvyvYaQu.html Function GetUserInfo(ByVal myUsr As String, ByVal strRequest As String) As String Dim strConString As String Dim conUsers As SqlConnection Dim cmdSelect As SqlCommand strConString = ConfigurationSettings.AppSettings("conString2") conUsers = New SqlConnection(strConString) Dim http://www.xtremedotnettalk.com/database-xml-reporting/105061-internal-connection-fatal-error.html dtrResults As SqlDataReader Dim intField As Integer Dim usr As String usr = "select " & strRequest & " user_ID from userlist where ul_user='" usr &= myUsr & "'" conUsers.Open() fatal error cmdSelect = New SqlCommand(usr, conUsers) dtrResults = cmdSelect.ExecuteReader() While dtrResults.Read() For intField = 0 To dtrResults.FieldCount - 1 GetUserInfo = dtrResults(intField).ToString() Next End While conUsers.Close() dtrResults.Close() Return GetUserInfo End Function Any Help will highly appriciated.Alex. View 1 Replies Similar Messages: Error Occurred While Executing Batch / Internal Connection Fatal Error Internal Error / Internal Catalog Exception Fatal Error 682 - What Is internal connection fatal It And How Do You Fix It? SQL Fatal Error SQL Fatal Error Fatal Error 682 And SqlCacheDependency Fatal System Error Fatal Error While Booting Up SSIS OLE DB Command Fatal Error Fatal Error 1109 And Msdb Corrupt SQL 2005 Developer Edition Fails With Fatal Error An Internal Error Occurred On The Report Server. See The Error Log For More Details. RsInternal Error) I Have The Dreaded Internal Error Occured On The Report Server. See Error Log For More Details No Error Log Error: 17310: User Request Generated A Fatal Exception (AND I KNOW WHY) Fatal Network Error 4014 When Writing Big BLOB Chunks Sql Server 2005 A Fatal Error Occurred In .NET Framework Runtime Fatal Error Doing Simple Queries From An Sql 2000 To Sql 2005 Exported Database Import/Export Causes Fatal Error- In Server 2005 Eval. Version Error: SQL Server Internal Error. Text Manager Cannot Continue With Current Statement.. SQL Reporting - An Internal Error Occurred On The Report Server. See The Error Log For More Details. (rsInternalError) SQL Server 2005 Error 8630: Internal Query Processor Error Internal Error: An Unexpected Error Occu
schemas, Crystal Reports, and other reporting tools Enjoy an ad free experience by logging in. Not a member yet? Register. Xtreme .NET Talk > .NET > Database / XML / Reporting > Internal connection fatal error. Thread Tools Display Modes #1 07-23-2012, 01:02 PM TexasAggie Newcomer Join Date: Oct 2006 Posts: 23 Internal connection fatal error. I am writing parameterized data to SQL at 1Hz from several test cell computers (maximum 16, currently running 5 or less). The code works fine though I was losing connection sometimes when using SQL Developer edition. We installed the full SQL server last week and all was well until I got the following error this morning. What would cause this error? Should I leave the connection open to avoid extra overhead in opening and closing it every second? How should I recover from this error? Close the connection, reopen, and retry? 10:55:21 FlightRecorder System.InvalidOperationException: Internal connection fatal error. at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) 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.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at DEER_DAQ.modFunctions.BuildSQLDataString() Thanks. TexasAggie View Public Profile Find all posts by TexasAggie Bookmarks Digg del.icio.us StumbleUpon Google « Previous Thread | Next Thread » Thread Tools Show Printable Version Display Modes Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Posting Rules You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules Forum Jump User Control Panel Private Messages Subscriptions Who's Online Search Forums Forums Home Announcements Announcements .NET General Windows Forms ASP.NET Directory / File IO / Registry Database / XML / Reporting Network Graphics and Multimedia DirectX Interoperation / Office Integration Deployment Re