Closing All Connections

Nov 15, 2004

How do I set up a job so that I close all open database connections? I think we have a leak in our code which causes our DB to go down (max connections used) roughly once every month, so we just restart the SQL server. Until we can find the exact problem I'd like to do this.





For simplicities sake let's say my database name is just "test."





Thank you.

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Feb 23, 1999

I have an app that people frequently disconnect without a logout and the connection remains open in SQL Server. Does anyone know of a script or program that will go through and kill inactive connections?

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Mar 7, 2008



Hello:

I have the following script wrtten in VB that opens a connection to an Analysis Services db in a script task within my control flow:


Dim oConnectionSR As ConnectionManager

oConnectionSR = Dts.Connections("OLAPServer.Sales")


This script is used by a script task within each of three child packages that are called by a parent package. Each call is made to a different OLAP cube. The first package makes the connection and runs fine. When the second package runs, it still sees the connection value from the first package and fails.

What is the best way to close the connection once it is no longer needed? I have tried the dispose() method, and that did not work.

Thanks for your help!

Tim




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Feb 27, 2008

Hi Guys I am facing a problemI am getting error Timeout
expired. The timeout period elapsed prior to obtaining a connection
from the pool. This may have occurred because all pooled connections
were in use and max pool size was reachedI have checked
my whole code and no Connection leakage is there... but still
Connections are sleeping... I have increse my pool size to 500 and now
i have chaos of 500 sleeping connections... How ever
I have found that even after Opening Enterprize manager i can not kill
Process... How ever my administrator can kill the process from his
enterprize manager... Is there some problem with my credentials or do i need to find  out the leakage  in my code...How ever I have checked twice or thrice  but  my code is Ok and i have  Closed connection properly every where... I am using SQL Server 2000 and ASP.Net 1.1

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Jan 31, 2008



I am experiencing a strange problem on a new installation of SQL Server 2000, installed on Windows 2003 server. SQL server has been service packed to SP3a

The users connect to the SQL database via an MS Access project front end, when they log out of the front end the SQL server still show them as connected in Management > Current activity > process info. I can kill the processes left behind but i am confused as to why this is happening.

The database was recently moved from an SQL installation on a Windows 2000 server to this new Windows 2003 server, the problem didnt occur on the old server and no upgrades have been applied to the database or the front end since the move, which makes me think something is not right about the install.

Any advice would be gratefully received

Thanks
Nick

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Jul 20, 2007

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Quote:

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Sep 24, 2007

hello to alli am finding my self in confusing problem.
everyay log file of my application increase by 10 GB.every time i found more than 100 connections open in SDQL Server 2005 under my database.
i an using SQLHELPER Class by microsoft.i ma not putting my code in try-catch block. example
of one of my frequently used function is as follows:
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Feb 27, 2008

Hi Friends,

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Are there any functions or methods available to identify the existing resources, rowsets and other components who have connection with the existing session, kindly help us in this regard since we struck up mainly with this issue.
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Thanks in advance.

Regards,
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Nov 1, 2007

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I have tried closing all forms with DB connections and then doing it but it takes around 6 minutes before the file becomes "free" and attachable to the email.

Can anyone suggest a way of releasing the file so that I can email it?

Many thanks,

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Jun 26, 2007

I have setup my loop to loop through textboxes and fill the according textboxes with data it retrives, if seems to work fine, but there is a problem with opening and closing the connection below is my codeint i = 0;for (i = 1; i <= 3; i++)
{
//This gets the stock ID from the textbox.string stock_ID = ((TextBox)Panel1.FindControl("txtID" + i.ToString())).Text;
//This is the sql statement.string sql = "SELECT [n_or_sh], [title], [cost_price], [selling_price] FROM tbl_stock WHERE stock_ID = " + stock_ID;
 
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myConn.Open();
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//This reads the first result from the sqlReader
dr.Read();
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string strtxtDesc = currentBox1.Text;
strtxtDesc = dr["title"].ToString();
} // end of loop
myConn.Close();
} // end of button click
 i have tried putting the myConn.Close() in different places but it dosnt seem to work!
any advice or tips ?
RegardsJez

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Mar 16, 2008

Hi most of my code follows the following format in a lot of my pages, my question is; Am i approaching it the right way in terms of performance, sql injection attacks and anything someone more knowledgeable than myself can think off, please feel free to criticise the code. Thank youprotected void Page_Load(object sender, EventArgs e)
{string strID = Request.QueryString["id"];
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Here is sample code in C#:
NOTE: Everything WORKS just fine, however in the DAL for GetRoutes, I can't seem to figure out how to close the reader (see comments in function):
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USE[DB]
--create test user login
CREATE LOGIN [Analytics_ETL] WITH PASSWORD=N'XXXXXXXXXXX'
GO
--create user in test database
CREATE USER [Analytics_ETL] FOR LOGIN [Analytics_ETL] WITH DEFAULT_SCHEMA=[Analytics]

[code]....

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Hi all

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Thanks

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Nov 27, 2007

Hi,

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Aug 11, 2010

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Below calculated measure would show the holdings for whatever the level you have specified.

([Measures].[Holdings],
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But this measure shows the value for only week attribute.

for month,([Measures].[Holdings],ClosingPeriod( [DIM BI DATE].[Calendar].[Month],
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But my aim is to create a calculated measure to give closing value for any level.

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To determine the monthly opening cash balance, I added the following measure

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2. There is no figure in cell C6 (Closing balance of May) because there was no transaction on the last day of May i.e. May 31.  The last transaction was on May 30

3. There is no figure in cell D5 (Opening balance of June) - same reason as mentioned in point 2 above.

As seen in the image, I have also computed the monthly "Last date of previous month" and "last date of current month" but do not know how to make use of them in computing the opening and closing Cash balances.

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May 17, 2005

Hi there,
        Here we have got a
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Private Function Authenticate(ByVal username As String, ByVal password As String, ByRef results As NorisSetupLib.AuthorizationResult) As Boolean
Dim conn As IDbConnection = GetConnection()
Try
Dim cmd As IDbCommand = conn.CreateCommand()
Dim sql As String = "EDSConfirmUpdate" '"EDSConfirmUpdate""PswdConfirmation"
'Dim cmd As SqlCommand = New SqlCommand("sql", conn)

cmd.CommandText = sql
cmd.CommandType = CommandType.StoredProcedure
NorisHelpers.DBHelpers.AddParam(cmd, "@logon", username)
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conn.Open()
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Dim ReturnValue As String = cmd.ExecuteScalar.ToString
'Split string into array
Dim Values() As String = ReturnValue.Split(";~".ToCharArray)
'If the return code is CONTINUE, all is well. Otherwise, collect the
'reason why the result failed and let the user know
If Values(0) = "CONTINUE" Then
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Else
results.Result = Values(0)
'Make sure there is a message being returned
If Values.Length > 1 Then
results.Message = Values(2)
End If
Return False
End If
Catch ex As Exception
Throw ex
Finally
If (Not conn Is Nothing AndAlso conn.State = ConnectionState.Open) Then
conn.Close()
End If
End Try
End Function
''' -----------------------------------------------------------------------------
''' <summary>
''' Getting the Connection from the config file
''' </summary>
''' <returns>A connection object</returns>
''' <remarks>
''' This is the same for all of the data classes.
''' Reads a specific
connection string from the web.config file for the service, creates a
connection object and returns it as an IDbConnection.
''' </remarks>
''' -----------------------------------------------------------------------------
Private Function GetConnection() As IDbConnection
'Dim conn As IDbConnection = New System.Data.OleDb.OleDbConnection
Dim conn As IDbConnection = New System.Data.SqlClient.SqlConnection
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Return conn
End Function
in the above GetConnection() method i
have commented out the .net dataprovider for oledb and changed it to
.net dataprovider for SQLconnection. this function works fine. But in
the authenticate method above at the line
Dim ReturnValue As String = cmd.ExecuteScalar.ToString

for some reason its throwing the below error.
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If i comment out the
Dim conn As IDbConnection = New System.Data.SqlClient.SqlConnection
and uncomment the .net oledb provider,
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I also have changed the webconfig file as  below.
<!--<add
key="Common" value='User ID=**secret**;pwd=**secret**;Data
Source="ESMALLDB2K";Initial Catalog=cj_common;Auto
Translate=True;Persist Security Info=False;Provider="SQLOLEDB.1";'
/>-->
<add key="Common" value='User ID=**secret**;pwd=**secret**;Data Source="ESMALLDB2K";Initial Catalog=cj_common;' />
 
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Date Opening AdditionTotalTank saleClosing Stock
01-11-15 14435 0 14435 8243 20627
02-11-15 0 15000 15000 9433
03-11-15 0 9000 9000 9436
04-11-15 0 12000 12000 8392
05-11-15 0 6000 6000 8157
06-11-15 0 12000 12000 8456
07-11-15 0 15000 15000 10903
08-11-15 0 6000 6000 8485
09-11-15 0 6000 6000 9413
10-11-15 0 21000 21000 6413

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