An Exception Occurred During The DBComms.receive Method.

Aug 29, 2007

I am getting SQLException when I connect SQL Server 2005. I would like to know how to correct this problem.
I get this error randomly. Never seenit before. Sometimes I get this error one day later from application begins, sometimes two days later, sometimes 3 day later.

DBCP borrowObject failed: com.microsoft.sqlserver.jdbc.SQLServerException: An exception occurred during the DBComms.receive method. Operation:Connection reset. Context841) [Thread[http-8080-Processor18,5,main], IO:457d2, Dbc:1a642]. PktNum:0. TotalReceived:0. PktSize:4,096.
org.apache.commons.dbcp.DbcpException: com.microsoft.sqlserver.jdbc.SQLServerException: An exception occurred during the DBComms.receive method. Operation:Connection reset. Context841) [Thread[http-8080-Processor18,5,main], IO:457d2, Dbc:1a642]. PktNum:0. TotalReceived:0. PktSize:4,096.
at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:85)
at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:184)
at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(Unknown Source)
at org.apache.commons.dbcp.AbandonedObjectPool.borrowObject(AbandonedObjectPool.java:117)
at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:110)
at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:312)
at org.apache.struts.util.GenericDataSource.getConnection(GenericDataSource.java:276)
at com.y.util.DbAccess.getConnection(DbAccess.java:29)
at com.y.biz.UserMgr.leftDays(UserMgr.java:404)
at com.y.action.LoginAction.login(LoginAction.java:194)
at sun.reflect.GeneratedMethodAccessor303.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:220)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:446)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:266)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1292)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:534)
Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: An exception occurred during the DBComms.receive method. Operation:Connection reset. Context841) [Thread[http-8080-Processor18,5,main], IO:457d2, Dbc:1a642]. PktNum:0. TotalReceived:0. PktSize:4,096.
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(Unknown Source)
at com.microsoft.sqlserver.jdbc.DBComms.receive(Unknown Source)
at com.microsoft.sqlserver.jdbc.IOBuffer.sendCommand(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.changeSettings(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(Unknown Source)
at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:83)
... 44 more


Web Server:
CPU 2*1.66G, 4GB ram, 146GB
Windows 2003 Server
JDK 1.4.2
Tomcat 5.0
Driver Name: Microsoft SQL Server 2005 JDBC Driver

JDBC Driver Version 1.0
Use struts connection pool in application.

Database Server:
CPU 2*1.66G, 4GB ram, 4 x 146GB
Windows 2003 Server
SQL Server 2005, Product Version: 9.00.1399

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Exception From DBComms.receive.method

Jul 11, 2006

Hi,

I am getting SQLException when I connect one of SQL Server 2000 Integrated Security host. I would like to know how to correct this problem.

An exception occurred during the DBComms.receive method. Operation:An existing connection was forcibly closed by the remote host. Context:(1) [Thread[main,5,main], IO:adc97, Dbc:8460d]. PktNum:1. TotalReceived:173. PktSize:4,096.

Thanks.

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The DBComms.receive Operation Resulted In An Invalid Packet Header Type:-86. PktNum:0. NReceived:8.

Jun 11, 2007

Hello,

While doing performance testing on a Tomcat based web application using the v1.1 JDBC driver connecting to SQL Server 2005, the tomcat server has been throwing the above exception at a fairly low rate. I have seen some related issues in the forums with v1.1 of the MS JDBC driver, but those were asking about connection reset related errors. In this case the 'invalid packet header' exception is consistently seen. I am in the process of repeating the test with some additional application side logging turned on, and have tried enabling FINEST level logging for the driver, but that leaves me with a 500MB log file and so far no instances of that exception in question being thrown. This is not unusual, the error has only been seen about 14 times in about 20 tests, with each test running about an hour and a half.



A few quick tests with the 1.2 driver did not throw this exception, but did throw a high number of '[Connection|Statement|Resultset] Closed'



While I gather more information, I was wondering if there is anything significant in this particular exception type that could point to a more specific set of tests I could run?



The exceptions seen so far:



Exception #1:

java.lang.NullPointerException
at com.microsoft.sqlserver.jdbc.DBComms.receive(Unknown Source)
at com.microsoft.sqlserver.jdbc.DBComms.receive(Unknown Source)
at
com.microsoft.sqlserver.jdbc.SQLServerStatement.doCloseServerCursor(Unknown
Source)
at
com.microsoft.sqlserver.jdbc.SQLServerStatement$CloseServerCursorRequest.execute(Unknown
Source)
at
com.microsoft.sqlserver.jdbc.SQLServerConnection.executeRequest(Unknown Source)
at
com.microsoft.sqlserver.jdbc.SQLServerStatement.closeServerCursor(Unknown
Source)
at com.microsoft.sqlserver.jdbc.SQLServerResultSet.close(Unknown
Source)
at com.X.db.CSInternalDB.close(CSInternalDB.java:950)
at com.X.db.CSQuery.close(CSQuery.java:169)
at
com.X.container.ContainerManager.getFolderContent(ContainerManager.java:1313)
at
com.X.container.ContainerCommands.getContent(ContainerCommands.java:1086)
at
com.X.container.ContainerCommands.execCommand(ContainerCommands.java:192)
at
com.X.BaseHandler.getObjectFromDoc(BaseHandler.java:169)
at com.X.BaseHandler.processDOM(BaseHandler.java:284)
at com.X.Dispatcher.execIt(Dispatcher.java:546)
at com.X.Dispatcher.execCommand(Dispatcher.java:333)
at
com.X.BaseHandler.getObjectFromDoc(BaseHandler.java:169)
at com.X.X.execute(X.java:600)
at com.X.HttpReceiver.doRequest(HttpReceiver.java:275)
at com.X.HttpReceiver.doGet(HttpReceiver.java:181)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:346)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source)


#2:

java.sql.SQLException: The DBComms.receive operation resulted in an invalid
packet header type:-86. PktNum:0. nReceived:8.
at
com.X.db.CSPreparedStatement.executeQuery(CSPreparedStatement.java:474)
at com.X.db.CSAnalyzer.executeQuery(CSAnalyzer.java:485)
at com.X.db.CSQuery.sqlPrepareExecute(CSQuery.java:559)
at
com.X.form.FormManager.getInternalFormProps(FormManager.java:1803)
at
com.X.form.FormManager.getInternalFormProps(FormManager.java:1762)
at
com.X.route.RoutingCommands.genericPrepareRoutingPage(RoutingCommands.java:5618)
at
com.X.route.RoutingCommands.prepareRoutingPage(RoutingCommands.java:3899)
at sun.reflect.GeneratedMethodAccessor75.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
com.X.iplugin.DynamicCommandMethod.execute(DynamicCommandMethod.java:35)
at
com.X.route.RoutingCommands.execCommand(RoutingCommands.java:209)
at
com.X.BaseHandler.getObjectFromDoc(BaseHandler.java:169)
at com.X.BaseHandler.processDOM(BaseHandler.java:284)
at com.X.Dispatcher.execIt(Dispatcher.java:546)
at com.X.Dispatcher.execCommand(Dispatcher.java:333)
at
com.X.BaseHandler.getObjectFromDoc(BaseHandler.java:169)
at com.X.X.execute(X.java:600)
at com.X.HttpReceiver.doRequest(HttpReceiver.java:275)
at com.X.HttpReceiver.doGet(HttpReceiver.java:181)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:346)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source)

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Dec 4, 2007

I'm getting the following error from a few hosts that are querying a db in SQL Server 2005. The error has occurred while executing various queries that we would expect to return various sized result sets (from a couple rows to a couple million rows). Many hosts have never experienced the error but it is occurring fairly frequently on a couple.

using Windows Server 2003 on both the jdbc client and the DB host.

using jdbc driver from sqljdbc_1.1

netstat doesnt increment the TCP connection reset count after this error occurs.

using standard sql server authentication.

-----------------------------------------





com.microsoft.sqlserver.jdbc.SQLServerException: A DBComms.error occurred while reading input. Context:Read packet header, Unexpected end of stream, readBytes:-1. Negative read result PktNumber:0. ReadThisPacket:0. PktDataSize:4,096.



com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(Unknown Source)
com.microsoft.sqlserver.jdbc.DBComms.readError(Unknown Source)
com.microsoft.sqlserver.jdbc.DBComms.receive(Unknown Source)
com.microsoft.sqlserver.jdbc.SQLServerStatement.doExecuteStatement(Unknown Source)
com.microsoft.sqlserver.jdbc.SQLServerStatement$StatementExecutionRequest.executeStatement(Unknown Source)
com.microsoft.sqlserver.jdbc.CancelableRequest.execute(Unknown Source)
com.microsoft.sqlserver.jdbc.SQLServerConnection.executeRequest(Unknown Source)
com.microsoft.sqlserver.jdbc.SQLServerStatement.executeQuery(Unknown Source)
com.nmwco.server.LoggingReporting.UiQueryPerformer.generateStringStringPair(UiQueryPerformer.java:211)
com.nmwco.server.LoggingReporting.SharedVisualizer.createClientsUi(SharedVisualizer.java:767)
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com.nmwco.server.report.Reports.ApplicationNetworkUtilization.configure(ApplicationNetworkUtilization.java:44)
com.nmwco.server.report.ReportVisualizerFactory.execute(ReportVisualizerFactory.java:459)
com.nmwco.server.report.report.processRequest(report.java:207)
com.nmwco.server.report.report.doGet(report.java:217)
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
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org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
com.nmwco.server.jsp.reporting_config._jspService(reporting_config.java:132)
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Event Type: Warning
Event Source: ASP.NET 2.0.50727.0
Event Category: Web Event
Event ID: 1309
Date: 3/28/2008
Time: 1:55:46 AM
User: N/A
Computer: HostMachine
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Event time: 3/28/2008 1:55:46 AM
Event time (UTC): 3/28/2008 8:55:46 AM
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Account name: NT AUTHORITYNETWORK SERVICE

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Request information:
Request URL: http://ViewReports/Reports/Reserved.ReportViewerWebControl.axd?ReportSession=aogqmz45z4at1q3oui2elc55&ControlID=1ff944bddbce45f9860fdf44300bf3bf&Culture=1033&UICulture=9&ReportStack=1&OpType=SessionKeepAlive&TimerMethod=KeepAliveMethodctl141TouchSession0&CacheSeed=Fri Mar 28 01:39:34 2008
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User host address: 172.19.97.233
User: Valid User
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Thread account name: NT AUTHORITYNETWORK SERVICE

Thread information:
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Thread account name: NT AUTHORITYNETWORK SERVICE
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For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.


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Code Snippet

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set the report timeout to several hours on the client call
Disabled antivirus on the client side, and verified there was no antivirus running on the reporting server.
Tried using default credentials in the ReportingService object as opposed to supplying credentailsAny ideas would be appreciated. I understand the best solution is to split the report up into smaller reports, which is the backup option, but being able to keep it as one report is the goal.

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Sep 21, 2005

I'm getting this error:

System.Data.SqlClient.SqlException: A floating point exception occurred in the
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System.Data.Common.DbDataAdapter.Update(DataRow[] dataRows, DataTableMapping
tableMapping) at ...etc etc

    when updating one particular table, but not when updating another using nearly the same code.

I've searched and searched on the inet, but with no joy.

Microsoft have several different manifestations of it, under various
different circumstances, but the solutions all seem to involve
installing SP4, which by the looks of it is a massive procedure that
you have to go to university to be competent to do.

In any case, according to Enterprise Manager, I already have SP4
included. On the other hand, the one file of mine I checked the date of
against MS's hotfix file list was 2002 not 2003, so who knows?

My Service Manager is v 8.00.760, and it's the Development Edition (ie it's all running on the one machine).

According to the info on sqlDataAdaptor.update,  the
sqlError that gets returned  as part of the sqlException contains
fields Class, which gives the seriousness of the error, and State,
which identifies the exact error.  I get Class=16 (user-fixable)
and State=1, which we have to go to SQL Books Online to discover the
meaning of.  SQL BO probably sounded like a good idea to W.Gates,
but it took me half an hour to get anywhere near finding out what that
'1' meant.  When I did, it was (guess): 'A floating point
exception occurred in the user process. Current transaction is
canceled.' !!!

Can anyone please tell me what exactly might be causing the error?

Graham Rounce

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Aug 20, 2007

sql server 2000 sp4 build 2184runs stats with maintenance plansp_msforeachtablestored procedure updating full stats for each table and the resultsare identicalA floating point exception occurred in the user process. Currenttransaction is canceled.all pointers are to move to latest service packAny pointers on how to avoid this errorThanks for your timeMassa

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Dec 5, 2007


can somebody advice me on this error.


An Unhandled win32 exception occurred in DtsDebugHost.exe[3172]

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Jun 13, 2006

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Sep 27, 2005

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Jul 23, 2005

Hi,I'm running SQL Server Version 8.00.194 on Windows 2000.I am am running this query:select TOP 2000TheoVolImpliedfrom OptionTradeswhere ReutersSymbol = 'IBM.N'and TheoVolImplied > 0.0TheoVolImplied is of type float, precision 15, length 8.When I run this query I get this error:Server: Msg 3628, Level 16, State 1, Line 1A floating point exception occurred in the user process. Currenttransaction is canceled.If I run this query:select TOP 2000TheoVolImpliedfrom OptionTradeswhere TheoVolImplied > 0.0It works fine with no problems.If I run this query:select TOP 2000TheoVolImpliedfrom OptionTradeswhere ReutersSymbol = 'IBM.N'It works fine with no problems.Anyone have any ideas about what might be wrong?

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Sep 30, 2004

While making a connection to a SQL server Enterprise Database using ASP.Net(C#), during execution of .aspx file i got the following error :-

Kindly help me if anybody knows the solution .

Thanks in advance


Login failed for user 'IT-CELLIWAM_IT-SERVER'.
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.Data.SqlClient.SqlException: Login failed for user 'IT-CELLIWAM_IT-SERVER'.

Source Error:


Line 52: //mycommand.SelectCommand.CommandType=CommandType.StoredProcedure;
Line 53: DataSet ds=new DataSet();
Line 54: mycommand.Fill(ds);
Line 55: DataTable dt;
Line 56: dt=new DataTable();


Source File: c:inetpubwwwrootetapplogin.aspx.cs Line: 54

Stack Trace:


[SqlException: Login failed for user 'IT-CELLIWAM_IT-SERVER'.]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction) +484
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) +372
System.Data.SqlClient.SqlConnection.Open() +384
System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState) +44
System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +304
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +77
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet) +38
netapp.login.Page_Load(Object sender, EventArgs e) in c:inetpubwwwrootetapplogin.aspx.cs:54
System.Web.UI.Control.OnLoad(EventArgs e) +67
System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +731

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Jan 18, 2008

Hi,
I've written this code multiple times now. But for the first time i get an error at the line underlined. My procedure runs perfectly when i execute it through Sql Query analyzer.
plzz help.. Its urgent and am unable to find the reason for this error "A first chance exception of type 'System.Data.SqlClient.SqlException' occurred in system.data.dll"
Thanks !SqlConnection conn = new SqlConnection(DbConnectionString);
conn.Open();
SqlCommand cmd = conn.CreateCommand();
cmd.CommandText = "dbo.rqryTradesPRR";
cmd.Parameters.Add("@COBDate",SqlDbType.DateTime).Value = "2002-10-31 00:00:00.000" ;
SqlDataReader reader = cmd.ExecuteReader();
while(reader.Read())
{
// have written something here

}
 Thanks in advance !
 

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Jan 16, 2008

Greetings everyone, I am attempting to build my first application using Microsofts Sql databases. It is a Windows Mobile application so I am using Sql Server Compact 3.5 with Visual Studio 2008 Beta 2. When I try and insert a new row into one of my tables, the app throws the error message shown in the title of this topic.
'((System.Exception)($exception)).Message' threw an exception of type 'System.NotSupportedException'



My table has 4 columns (i have since changed my FavoriteAccount datatype from bit to Integer)
http://i85.photobucket.com/albums/k71/Scionwest/table.jpg

Account type will either be "Checking" or "Savings" when a new row is added, the user will select what they want from a combo box.

Next is a snap shot of my startup form.
http://i85.photobucket.com/albums/k71/Scionwest/form.jpg



Where it says "Favorite Account: None" in the top panel, I am using a link label. When a user clicks "None" it will go to a account creation wizard, and set the first account as it's primary/favorite. As more accounts are added the user can select which will be his/her primary/favorite. For now I am just creating a sample account when the label is clicked in an attempt to get something working. Below is the code used.


private void lnkFavoriteAccount_Click(object sender, EventArgs e)

{

FinancesDataSet.BankAccountRow account = this.financesDataSet.BankAccount.NewBankAccountRow();

account.Name = "MyBank Checking Account";

account.AccountType = "Checking";

account.Balance = Convert.ToDecimal("15.03");

account.FavoriteAccount = 1;//datatype is an integer, I have changed it since I took the screenshot.

financesDataSet.BankAccount.Rows.Add(account);
//The next three lines where added while I was trying to get this to work.
//I don't know if I really need them or not, I receive the error regardless if these are here or not.



this.bankAccountTableAdapter1.Update(financesDataSet);

this.financesDataSet.AcceptChanges();

refreshDatabase();

}


the refreshDatabase() code is here:


private void refreshDatabase()

{

this.bankAccountTableAdapter1.Fill(this.financesDataSet.BankAccount);

//Aquire a count of accounts the user has

int numAccounts = financesDataSet.BankAccount.Count;

//Loop through each account and see which one is the primary.

for (int num = 0; num != numAccounts; num++)

{
//Works ok in frmMain_Load, but when my lnkFavoriteAccount_click calls this, it throws the error.

if (this.financesDataSet.BankAccount[num].FavoriteAccount == 1)

{
//Display the primary account on our home page. User can click the link label & be taken to their account register.

this.lnkFavoriteAccount.Text = this.financesDataSet.BankAccount[num].Name.ToString();

this.lnkFavoriteFunds.Text = this.financesDataSet.BankAccount[num].Balance.ToString();

break;

}

}

}


and my form_load code

private void frmMain_Load(object sender, EventArgs e)

{

refreshDatabase();

}


So, when I click on the lnkFavoriteAccount label, and my new row gets added, the app stops at the following line in my DataSet.Designer

[global:ystem.Diagnostics.DebuggerNonUserCodeAttribute()]

public byte FavoriteAccount {

get {

try {

return ((byte)(this[this.tableBankAccount.FavoriteAccountColumn]));

}

catch (global:ystem.InvalidCastException e) {
//Stops at the following line, this error was caused by 'if (this.financesDataSet.BankAccount[num].FavoriteAccount == 1)'

throw new global:ystem.Data.StrongTypingException("The value for column 'FavoriteAccount' in table 'BankAccount' is DBNull.", e);

}

}

set {

this[this.tableBankAccount.FavoriteAccountColumn] = value;

}

}


I have no idea what I am doing wrong, all of the code I used I retreived from Microsofts help documentation included with VS2008. I have tried used my TableAdapter.Insert() method and it still failed when it got to

if (this.financesDataSet.BankAccount[num].FavoriteAccount == 1)

in my refreshDatabase() method it still failed.

When I look, the data has been added into the database, it's just when I try to retreive it now, it bails on me. Am I retreiving the information wrong?

Thanks for any help you guys can offer.

Johnathon

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Jan 31, 2007

Hi,

I got an strange problem with one of my packages.

When running the package in VisualStudio it runs properly, but if I let this package run as part of an SQL-Server Agent job, I got the message "The script threw an exception: Exception of type 'System.OutOfMemoryException' was thrown." on my log and the package ends up with an error.

Both times it is exactly the same package on the same server, so I don't know how the debug or even if there is anything I need to debug?

Regards,

Jan

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Jan 29, 2008

Hi,
 I just have a Dataset with my tables and thats it
 I have a grid view with several datas on it
no problem to get the data or insert but as soon as I try to delete or update some records the local machine through the same error
Unable to find nongeneric method...
I've try to create an Update query into my table adapters but still not working with this one
Also, try to remove the original_{0} and got the same error...
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Thanks

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Apr 6, 2007



In working through some examples, sometimes I will see this pattern for receiving messages: What is the purpose of the "nested" WAITFOR (RECEIVE? What is this actually doing? Is it receiving the same message in both RECEIVE?


WAITFOR (
RECEIVE @dh = [conversation_handle],
@message_type = [message_type_name],
@message_body = CAST([message_body] AS NVARCHAR(4000))
FROM [Queue]), TIMEOUT 1000;
WHILE @dh IS NOT NULL
BEGIN
IF @message_type = N'http://schemas.microsoft.com/SQL/ServiceBroker/Error'
BEGIN
RAISERROR (N'Received error %s from service [Target]', 10, 1, @message_body) WITH LOG;
END
END CONVERSATION @dh;
COMMIT;
SELECT @dh = NULL;
BEGIN TRANSACTION;
WAITFOR (
RECEIVE @dh = [conversation_handle],
@message_type = [message_type_name],
@message_body = CAST([message_body] AS NVARCHAR(4000))
FROM [Queue]), TIMEOUT 1000;
END
COMMIT;



Other times I will see this pattern for receiving messages: Why do a RECEIVE TOP(1) instead of just a RECEIVE?



WAITFOR(RECEIVE TOP(1)


@conversationHandle = conversation_handle,

@messageTypeName = message_type_name,

@messageBody = message_body

FROM [Queue]), TIMEOUT 1000;



And other times I will see this pattern for receiving messages: What is the purpose of RECEIVING into an in-memory table when you can just process the message directly?



WAITFOR(RECEIVE


queuing_order,

conversation_handle,

message_type_name,

message_body

FROM [Queue]

INTO @tableMessages), TIMEOUT 1000;

IF (@@ROWCOUNT = 0)


BEGIN


COMMIT;

BREAK;
END



What is the difference between the three approaches from an architectural and performance perspective? I need to process messages as fast as possible and I'm not sure why or when each should be used. Also, does the timeout have any impact on how FAST messages will be processed, or is it exactly what it says - a timeout - if a message is not found within the period then the procedure will break?

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Jul 5, 2007

HI

I am trying to set up a stored procedure to retrieve to 20 messages from a queue into a table to implement a batched process. I have the following code in a stored procedure.



WAITFOR (
RECEIVE top (20) -- get batched so that we can process same listid once
message_type_name,
message_body, -- the message contents
conversation_handle -- the identifier of the dialog this message was received on
FROM dbo.target
into @PayloadData
), TIMEOUT 3000 -- if the queue is empty for three second, give UPDATE and go away



However, the stored procedure is only retrieving 1 message at a time from the queue. Did I miss some other setting



thanks

P

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Jan 26, 2004

Thats it
How do you receive the last item(row) in a table.
Thanks

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Jan 31, 2007

Hello Guys,
I really need you help to debug this query.
OBJECTIVE:THE QUERY SHOULD GIVE ME THE FIELDS I MENTIONED IN THE FIRST QUERY WITH THE CONDITIONS BELOW.
CONDITION 1: RateReview field should have yesterday's date
CONDITION 2: Email will be send to customer only once so Customer_GUID is UniqueIdentifier
CONDITION 3: Customer shouldnt' have opted to get out from receiving any email so Termination field should be NULL
ONe Customer can have many transwactions
Is there any way i write the code specifying that no email should be sent more than once evereven if customer buys 10 tickets.
Only one email sent so i need to specify that if this email has gone to particulare CUSTOMER_GUID then Ignore that record and
do not send any email. This would be done by some tool known as StrongMail.


SELECT
CAST(a.Transaction_GUID AS varchar(36)) as Transaction_GUID,
CAST(a.Customer_GUID AS varchar(36)) as Customer_GUID,
Film_id as MovieId,
First_nm as FirstName,
Last_nm as LastName,
Email_nm as EmailAddress,


from
(
select
MIN(CAST(customer_guid AS varchar(36))) as Customer_GUID,
Transaction_GUID
from tblTransaction (nolock)
where RateReview_dm > DATEADD(dd,-1,GETDATE()) and RateReview_dm <
GETDATE()


and Terminate_dm is null
and customer_guid
not
in
(
select CAST(customer_guid AS varchar(36)) as Customer_GUID
from tblTransaction (nolock)
where RateReview_dm > DATEADD(dd,-1,GETDATE()) and RateReview_dm <
GETDATE()

and Terminate_dm is null
)
group by transaction_guid, customer_guid
)z
inner
jointblTransaction a
onz.Transaction_GUID = a.Transaction_GUID

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Jul 20, 2005

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Sep 19, 2007

How can I have my email download automatically instead of clicking send/receive all the time?

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Feb 1, 2007

I built a system where I am sending batches of messages using a single conversation. I want to pull these messages out of my queue using Service Broker. I may have more than one batch sitting in the queue waiting to be picked up, so....

In my SSIS package i started by getting a unique list of conversation_handles where the message type is my end of batch message ( should only be one per batch). Then I used the foreach loop construct thinking I could pass the conversation_handles around and into the data flow.

In the data flow I want to pull all of the messages at once. It looks like the receive statement is designed to do this with the concept of using a table variable.

So I built this SQL to use in for the SQL Command of my OLE DB Source. It gives me this error "Syntax error, permission violation, or other nonspecific errorr"

declare @messages table ( conversation_handle uniqueidentifier, message_type_name sysname, message_body xml );

receive conversation_handle, message_type_name, message_body
from dm.[consultant queue]
into @messages
where conversation_handle = ?

select conversation_handle, message_type_name, message_body
from @messages

If I change it to this, by removing the passed parameter and looking up what should be the same value that I am passing in then it works.

declare @ch uniqueidentifier;
declare @messages table ( conversation_handle uniqueidentifier, message_type_name sysname, message_body xml );

select top 1 @ch = conversation_handle
from dm.[consultant queue]
where message_type_name = 'BatchEnd'
order by queuing_order;

-- select conversation_handle, message_type_name, message_body
receive conversation_handle, message_type_name, message_body
from dm.[consultant queue]
into @messages
where conversation_handle = @ch

select conversation_handle, message_type_name, message_body
from @messages

I have tried sneaking the parameter into the SQL in other ways, but always get the same I have tried sneaking the parameter into the SQL in other ways, but always get the same error message. It just seems that SSIS, or OLE DB, don't want to pass parameters into a block of SQL that is executing this receive command. Has anyone else done something similar to what I am doing here? Any ideas on how to resolve this?

Obviously by using SSIS I want to work on the whole batch at once and not iterate message by message. Right now I just don't like the idea that I am getting the conversation_handle twice and possibly getting a different batch of messages to process.

Thanks!

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Nov 19, 2007

I followed an example using the AdventureWorks database to set up a simple messaging test on one database:




Code Block
-- We will use adventure works as the sample database
USE AdventureWorks
GO
-- First, we need to create a message type. Note that our message type is
-- very simple and allowed any type of content
CREATE MESSAGE TYPE JobRequest
VALIDATION = NONE
GO
-- Once the message type has been created, we need to create a contract
-- that specifies who can send what types of messages
CREATE CONTRACT JobRequestor
(JobRequest SENT BY INITIATOR)
GO
-- The communication is between two endpoints. Thus, we need two queues to
-- hold messages
CREATE QUEUE RequestorQueue
CREATE QUEUE ReceiverQueue
GO
-- Create the required services and bind them to be above created queues
CREATE SERVICE Requestor
ON QUEUE RequestorQueue
CREATE SERVICE Receiver
ON QUEUE ReceiverQueue (JobRequestor)
GO
-- At this point, we can begin the conversation between the two services by
-- sending messages
DECLARE @conversationHandle UNIQUEIDENTIFIER
DECLARE @message NVARCHAR(100)
BEGIN
BEGIN TRANSACTION;
BEGIN DIALOG @conversationHandle
FROM SERVICE Requestor
TO SERVICE 'Receiver'
ON CONTRACT JobRequestor
WITH ENCRYPTION=OFF, LIFETIME= 600;
-- Send a message on the conversation
SET @message = N'Hello, World';
SEND ON CONVERSATION @conversationHandle
MESSAGE TYPE JobRequest (@message)
COMMIT TRANSACTION
END
GO
-- Receive a message from the queue
RECEIVE CONVERT(NVARCHAR(max), message_body) AS message
FROM ReceiverQueue
-- Cleanup
DROP SERVICE Sender
DROP SERVICE Receiver
DROP QUEUE SenderQueue
DROP QUEUE ReceiverQueue
DROP CONTRACT HelloContract
DROP MESSAGE TYPE HelloMessage
GO


This all works fine but if I run the section that creates the message and then copy the RECEIVE section to a new query window and execute it, nothing is returned. If I run the RECEIVE section within the same query window it returns the 'Hello World' message as expected. I am new to Service Broker and so am assuming that I am missing something obvious!!

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Apr 27, 2007

Dear all,



I have set up service broker to work between two instances of SQL server with Dialog Security (implemented using certificates). The initiator queue has a activation procedure attached to process the return messages.



I'm receiving the messages from inside a SSIS package using Receive statement. Once I recive the message, I store the conversation handle, message type and message body in variables and execute the remaining ETL package based on the input.



Towards the end of the package, I send a message back to the Initiator for the same conversation to indicate sucess or failure.




Code Snippet

declare @conversation_handle UNIQUEIDENTIFIER

select @conversation_handle = <<SSIS User Variable>>;

SEND ON CONVERSATION @conversation_handle MESSAGE TYPE [/OLAP/Error] (N'<Error>My custom error</Error>');

END CONVERSATION @conversation_handle ;



The problem now is that, the initiator queue receives only the "http://schemas.microsoft.com/SQL/ServiceBroker/EndDialog" message. I would expect it to recieve "/OLAP/Error" first and then the "EndDialog" message.



Any idea on what's happening here? Any help is appreciated.



Cheers,

Arun

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Sep 27, 2006

Hi There

My activation sp must be able to read of various queues.

I load a variable with the queue name that activated the sp btu i cannot get the syntax working to receive or get a conversation group of a queue name that is a variable.

I have tried:

WAITFOR

(

RECEIVE message_body, conversation_handle, message_type_name, message_sequence_number, conversation_group_id FROM @callingQueue INTO @msgTable WHERE conversation_group_id = @conversationGroup

), TIMEOUT 2000;

But i get this error:

Incorrect syntax near '@callingQueue'.

Looks like you cannot use a variable.

So i tried the following:

SELECT @SQL = N' WAITFOR

(

RECEIVE message_body, conversation_handle, message_type_name, message_sequence_number, conversation_group_id FROM @callingQueue INTO @msgTable WHERE conversation_group_id = @conversationGroup

), TIMEOUT 2000'

EXEC sp_executesql @SQL, N'@msgTable table output'

But i get the same error.

How do i receive of a queue using a vriable holding the queue name ?

Thanx

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Dec 28, 2006

Is there a way to get more than one file with a single ftp task in SQL 2005??

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