Log Reader Agent Failure
Feb 15, 2006
HELP>>> I am getting desperate
we recently had a failure which ended up wrecking my replication. The basic layout is from a source server -> Distribution Server then out to several other servers. Long story short the distribution database had to be moved to a new drive and I am now getting the following error message
The specified LSN (0003d4f0:0000721e:001b) for repldone log scan occurs before the current start of replication in the log (0003d63a:00002803:0001).
(Source: fsdpdcis (Data source); Error number: 18768)
---------------------------------------------------------------------------------------------------------------
The process could not set the last distributed transaction.
(Source: fsdpdcis-DPDDATA-1 (Agent); Error number: 22017)
I have reinitialized all subscriptions on the fsdpdcis server and run subscription validation (with no response). The data did re-load during the reinitialization but does not seem to be getting updated. This is driving me crazy and I am desperate. Any suggestions would be greatly appreciated. I have search MS knowledge base with no results and BOL has not been any help so far.
Thanks
Steve
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Nov 30, 2006
Hi All,
I would appreciate any help here at all. I am pulling my hair out!
I am unable to start the snapshot agent or log reader agent from within SQL management studio. it fails on executing step 2 with unknown username or bad password.
I have checked all account details and they are correctly using my domain admin account. I can connect to SQL using teh same account and it also has sysadmin permissions.
If i copy the step 2 paramters and start from the cmd prompt (again logged in using the same domain account) they both start fine.
Any ideas would be gratefully received.
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May 18, 2007
I am testing peer to peer replication in our environment. I simulated a three node peer to peer topology and a local distributor.
For some wierd reason I cannot get the Log Reader Agent and snapshot agent to start. The domain account under which SQL Server Agent runs has administrator previlage on the box. I also use a domain account for SQL Server Service. (none of the passwords changed).
This is the error I am getting - "Executed as user: abc. A required privilege is not held by the client. The step failed"
Any ideas???
Also this domain account is a member of
SQLServer2005MSSQLUsers$ServerName$MSSQLSERVER
SQLServer2005MSAgentUser$ServerName$MSSQLSERVER
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Jun 22, 2004
We restored a database with replicated tables. Now, the Log Reader Agent will not run. This displays:
"The process could not execute 'sp_repldone/sp_replcounters' on 'ourservername'."
In Error Details for the agent:
"The process could not set the last distributed transaction."
And, from the logs:
"ForwardLogBlockReadAheadAsync: Operating system error 998(Invalid access to memory location.) encountered."
Does anyone know how we get the Distribution database and the Log Reader running again?
It is only affecting Transactional replication (not snapshot or merge).
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Aug 2, 2001
Unable to start log reader agent after being manually stopped.
Any ideas.
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Apr 7, 2006
I recently set up transactional replication from one server database to another server database. I keep getting a Log Reader Agent error: An access violation occurred.
The SQL Server agent starts under one Windows account but the Server is registered under the system account. The log reader agent is using the system account.
I'm not sure what else to check or what database permissions or roles should be set. Can somebody help? Thanks.
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Sep 19, 2006
Hello,
by mistake I added an queue reader agent to a distribution database. But how can I drop the queue agent. There isn't a stored proc 'sp_dropqreader_agent'.
The only way I found (apart from dropping the whole distribution databse) is to stop and disable the generated job!
Is there any other way to get rid of the queue reader agent ?
Wolfgang
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Jun 12, 2002
hi,
among our server-agent jobs is one for the log-reader-agent and its run status is displayed as error though the log-reader is working correctly, replication is working fine.
it had hit an error some days ago after an unexpected shutdown - but it has been auto-restarted correctly on restart of the sql-server agent.
now - what can i do to get back to a sensible run-status report?
i have already deleted the job-history with the hope that this might help - but it didn't. should i just stop and restart the job again?
can i somehow delete the status in the jobhistory?
i would gladly appreciate any ideas because it's making me just mad to have a 'failed' job status on the monitor *g*
thank you,
kerstin
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May 10, 2006
Question:
I am unclear what syntat to use to stop (suspend) the log reader agent.
Things I Understand:
I understand how to manually stop the reader agent using the enterprise manager.
I understand how to schedule the load reader frequency (properties of the agent)
My Intention:
to stop the log reader agent, execute another scheduled job, then restart the log reader
Any suggestions are appreciated: comment here or send to:fglomb@crtincbc.com
Thanks!
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May 12, 2006
I'm using our development ID to set up peer-to-peer replication. I am following the steps outlined in the BOL using SQL Studio 2005. When I created the initial publication, I read the section on permissions and assigned the development login ID db_owner. Indeed, to eliminate any possible issues (I thought), I gave it db_datareader, db_datawriter, and all the db admin rights and made very sure the db_denydatareader and db_denydatawriter roles were not checked. I did this through the Logins section of the Security folder and applied the same rights to both the distribution and the publication database. Nevertheless, when I run the LogReader agent job, it fails with the message for step 2 that:
Executed as user: ourdomsqldev. A required privilege is not held by the client. The step failed.
The dev ID essentially has sa rights to the server and all the databases. It is also a domain authenticated ID. Any ideas what's causing this problem? I really need to get the replication going reliably before the weekend is out.
Thanks.
Randy
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Feb 9, 2005
I've set up transactional replication with queued updating. If I stop the queue reader agent through EM, I can't start it again. Agent's history says "Queue Reader aborting. The step failed."
All servers are SQL Server 2000 SP3.
Help is greatly appreciated!
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May 5, 2006
I have created a job with several SSIS packages included in it. There is a failure when I schedule and run the job. Where can I find the information why it is failing? When I run the packages individually, they run fine. Thanks in advance.
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Dec 22, 2007
I have an issue on SQL Agent and wish you to advice:
Servers Environment:
The SQL Server and SQL Agent Service is installed on clustered Server1 where the Integration Services (IS) is installed on Server2. Deployment of SSIS packages have been done on Server1 and IS on Server2 is pointing to it.
Case:
1. In SQL Managament Studio, connection on Database Engine is up on Server1, connection on IS is up on Server2.
2. Execution of all packages via IS connection on Server2 is working well. No issue on running.
3. SQL Agent Job is created under Server1. The job failed on running. Message from the Log File Viewer:
"The job failed. The Job was invoked by User domainhost. The last step to run was step 1 (tewst)."
"Executed as user: domainhost. ...n 9.00.3042.00 for 64-bit Copyright (C) Microsoft Corp 1984-2005. All rights reserved. Code: 0xC0048020 Description: The version of component "Update to DB" (828) is not compatible with this version of the DataFlow."
Please advice ...
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Jun 26, 2007
As you see in the images the connection is closing. During the read it counts 5 columns which is correct. When I step through the code it closes the connection when it hits dt.Load(reader) and nothing is loaded into the datatable.
------------------------------------------------------------AS I STEP THROUGH -----------------------------------------------------------------------------------------------------------------------
Please help,
Thanks,
Tom
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Apr 25, 2007
Hi,
I am running transactional replication between a pair of SQL Server 2005 machines using a remote distributor. Occasionally the log reader agent fails with the error
"Replication-Replication Transaction-Log Reader Subsystem: agent * failed. The process could not execute 'sp_MSpub_adjust_identity' on '*'."
The agent starts back up again almost immediately on its own with seemingly no problems. I haven't been able to find any documentation on this error from Microsoft. Any ideas?
It is not a permissions issue as the log reader agent (and all of the other agents at that) are running under windows accounts with domain admin access for the domain that both the publisher and the distributor SQL Servers are on. (I know, I know, that's horrible. I've only been here a week and a half and I just found out about this today, so I didn't have anything to do with such a glaring security issue.) All of the SQL Servers involved with the replication are still granting sysadmin access to the windows administrators group.
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Nov 13, 2007
I have scheduled a job in SQL Server Agent, as it executes it fails Immediatly. The error history displays the following error details, which i copied from the log file
"Description: Unable to load the package as XML because of package does not have a valid XML format. A specific XML parser error will be posted.
The system cannot find the path specified.". This happens when loading a package and the file cannot be opened or loaded correctly into the XML document. This can be the result of either providing an incorrect file name was specified when calling LoadPackage or the XML file was specified and has an incorrect format. End Error ... The package could not be f... The step failed."
I am using the File System Type to load my package.
Please assisst me in finding the solution
Regards
ZeEsHaN
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Nov 30, 2006
Hi all,
I'm new to sql server administration so please show some understanding!
I installed sql server 2000 personal edition (upgrated to sp4) on an windows xp pro OS, but I cannot get the sql server agent service running. I get a message " the service did not start due to a logon failure". The server is my local pc, I'm using windows authentication and the login is "domain/loginname" where domain is my pc name.
Does it have to be installed on a server OS to have this service running?
Thanks George
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Nov 4, 2006
I just tried to install the file:
D:WINDOWSMicrosoft.NETFrameworkv2.0.50727InstallUtil.exe SQLAgent.exe by running it from a command prompt.
and got an error that the system could not find the file or one of its components. It is a farily new install. I do not think I've lost any files any time.
What is the problem?
Thanks.
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Jan 26, 2006
Hi There
I have a publisher, remote distributor and subscriber all running SS2000.
Under replication monitor on the distributor, under replication alerts i have enabled the "replication agent failure" alert.
All i need to know is should this alert trigger if the distribution agent that runs on the subscriber not the distributor fails?
I have add occurences of the distribution agent failing and the alert is not triggerred, is this because it only triggers for the agents that run on the distributor, ie: snapshot and log reader agents?
Thanx
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Oct 22, 2007
After upgrading a server from SQL 2000 to SQL 2005, I can't get any SQL Agent jobs to run, giving logon failed messages. MSSQLSERVER and SQLSERVERAGENT services are set up to run as the same domain account which has administrative rights to the server and is a SQL login with the sysadmin role. For basic testing purposes, I created a test job that all it does is run a T-SQL command 'SELECT @@VERSION'. The job is also set to run as the same account that the Agent is running under. Below are the logs (with trace messages on) from the point of starting the Agent to my attempt to run the job (user and server names have been changed to protect the innocent):
2007-10-22 15:31:15 - ? [297] SQLServer Message: 15457, Configuration option 'show advanced options' changed from 0 to 1. Run the RECONFIGURE statement to install. [SQLSTATE 01000] (DisableAgentXPs)
2007-10-22 15:31:15 - ? [297] SQLServer Message: 15457, Configuration option 'Agent XPs' changed from 0 to 1. Run the RECONFIGURE statement to install. [SQLSTATE 01000] (DisableAgentXPs)
2007-10-22 15:31:15 - ? [297] SQLServer Message: 15457, Configuration option 'show advanced options' changed from 1 to 0. Run the RECONFIGURE statement to install. [SQLSTATE 01000] (DisableAgentXPs)
2007-10-22 15:31:15 - ? [100] Microsoft SQLServerAgent version 9.00.3042.00 (x86 unicode retail build) : Process ID 5168
2007-10-22 15:31:15 - ? [101] SQL Server TESTSERVER version 9.00.3042 (0 connection limit)
2007-10-22 15:31:15 - ? [102] SQL Server ODBC driver version 9.00.3042
2007-10-22 15:31:15 - ? [103] NetLib being used by driver is DBNETLIB.DLL; Local host server is
2007-10-22 15:31:15 - ? [310] 4 processor(s) and 3328 MB RAM detected
2007-10-22 15:31:15 - ? [339] Local computer is TESTSERVER running Windows NT 5.2 (3790) Service Pack 2
2007-10-22 15:31:15 - ? [431] Populating subsystems cache...
2007-10-22 15:31:15 - ? [432] There are 11 subsystems in the subsystems cache
2007-10-22 15:31:15 - ? [124] Subsystem 'TSQL' successfully loaded (maximum concurrency: 80)
2007-10-22 15:31:16 - ? [124] Subsystem 'ActiveScripting' successfully loaded (maximum concurrency: 40)
2007-10-22 15:31:16 - ? [124] Subsystem 'CmdExec' successfully loaded (maximum concurrency: 40)
2007-10-22 15:31:16 - ? [124] Subsystem 'Snapshot' successfully loaded (maximum concurrency: 400)
2007-10-22 15:31:16 - ? [124] Subsystem 'LogReader' successfully loaded (maximum concurrency: 100)
2007-10-22 15:31:16 - ? [124] Subsystem 'Distribution' successfully loaded (maximum concurrency: 400)
2007-10-22 15:31:16 - ? [124] Subsystem 'Merge' successfully loaded (maximum concurrency: 400)
2007-10-22 15:31:16 - ? [124] Subsystem 'QueueReader' successfully loaded (maximum concurrency: 400)
2007-10-22 15:31:16 - ? [124] Subsystem 'ANALYSISQUERY' successfully loaded (maximum concurrency: 400)
2007-10-22 15:31:16 - ? [124] Subsystem 'ANALYSISCOMMAND' successfully loaded (maximum concurrency: 400)
2007-10-22 15:31:16 - ? [124] Subsystem 'SSIS' successfully loaded (maximum concurrency: 400)
2007-10-22 15:31:16 - ? [129] SQLSERVERAGENT starting under Windows NT service control
2007-10-22 15:31:16 - + [260] Unable to start mail session (reason: No mail profile defined)
2007-10-22 15:31:16 - ? [174] Job scheduler engine started (maximum worker threads: 400)
2007-10-22 15:31:16 - ? [193] Alert engine started (using Eventlog Events)
2007-10-22 15:31:16 - ? [146] Request servicer engine started
2007-10-22 15:31:16 - + [396] An idle CPU condition has not been defined - OnIdle job schedules will have no effect
2007-10-22 15:31:16 - ? [110] Starting SQLServerAgent Monitor using '' as the notification recipient...
2007-10-22 15:31:16 - ? [133] Support engine started
2007-10-22 15:31:16 - ? [167] Populating job cache...
2007-10-22 15:31:16 - ? [297] SQLServer Message: 0, SQLServerAgent Monitor started successfully. [SQLSTATE 01000]
2007-10-22 15:31:16 - ? [168] There are 2 job(s) [0 disabled] in the job cache
2007-10-22 15:31:16 - ? [170] Populating alert cache...
2007-10-22 15:31:16 - ? [171] There are 0 alert(s) in the alert cache
2007-10-22 15:32:59 - ? [177] Job Test1 has been requested to run by User DOMAINmyaccount
2007-10-22 15:32:59 - ! [382] Logon to server 'TESTSERVER' failed (ConnAttemptCachableOp)
2007-10-22 15:32:59 - ! [382] Logon to server 'TESTSERVER' failed (ConnAttemptCachableOp)
2007-10-22 15:32:59 - ! [382] Logon to server 'TESTSERVER' failed (ConnAttemptCachableOp)
2007-10-22 15:32:59 - ? [184] Job completion for Test1 is being logged to sysjobhistory
2007-10-22 15:32:59 - ! [382] Logon to server 'TESTSERVER' failed (ConnAttemptCachableOp)
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Aug 13, 2015
I have a package from SQL Server 2008 R2, that loads data from .xlsx file to database table.There are total 15 columns and 14000 rows in the .xlsx. The package runs fine in BIDS. But the same package in SQL Agent fails with error "omponent "Excel Source" (1)" failed validation and returned validation status "VS_ISBROKEN".
When I tried to run the package by deleting the half of the records for first 7000 rows it ran successfully in agent. Then the second half (last 7000 rows) also succeed from agent job. So, there is no issue with the data/datatypes.The agent job is able to run with record upyo 11000 rows in .xlsx. When I am running for 12000 rows it is failing.Is there any problem with the number of records in .xlsx or size through SQL Agent?
I am running the package from a Proxy account in sql agent job.
ERROR:
Error: Executed as user: PROXY_ID. Microsoft (R) SQL Server Execute Package Utility Version 10.50.6000.34 for 32-bit Copyright (C) Microsoft Corporation 2010. All rights reserved. Started: 10:36:09 AM Error: 2015-08-10 10:36:10.87 Code: 0xC0202009 Source:
XX Connection manager "Excel Connection Manager 1"
[code]....
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Sep 1, 2015
Below the Error Log Reported in SQL Agent (64 bit SQLServer 2008R2 Enterprise Edition Service pack 2 ,32Core CPU Numa Node and 64GB Ram
[298] SQLServer Error: 10054, TCP Provider: An existing connection was forcibly closed by the remote host. [SQLSTATE 08S01]
[298] SQLServer Error: 10054, Communication link failure [SQLSTATE 08S01]
[165] ODBC Error: 0, A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections.
For more information see SQL Server Books Online. [SQLSTATE 08001]
[382] Logon to server '(local)' failed (ConnUpdateStartExecutionDate)
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Jul 31, 2007
Hi all.
Is there a difference with sql replication between sql server 2005 64bit and sql server 2005 32bit?
Both are on a Windows 2003 server. One is 32 bit and the other one is 64 bit.
The first time I set up sql replication (test environment), it was on a 32 bit sql server. This worked fine.
The second time I wanted to set up replication (live environment), it was on a 64 bit sql server. This didn't worked fine.
I can't call the sqlcesa30.dll file on the 64bit server with IIS. So I called the dll via a remote IIS server.
This worked but gave me the following error when calling the following URL:
http://domain/PDASYNC/sqlcesa30.dll?diag
SQL Server Mobile Server Agent Diagnostics
2007/07/31 14:26:55
General Information
Item
Value
Server Name
domain
URL
/PDASYNC/sqlcesa30.dll
Authentication Type
Anonymous
Server Port
80
HTTPS
off
Server Software
Microsoft-IIS/6.0
Replication
Allowed
RDA
Allowed
Logging Level
0
Impersonation and Access Tests
Action
Status
ErrorCode
Impersonate User
SUCCESS
0x0
ReadWriteDeleteMessageFile
FAILURE
80070003
SQL Server Mobile Modules Test
Module
Status
ErrorCode
Version
SQLCERP30.DLL
SUCCESS
0x0
3.0.5207.0
SQLCESA30.DLL
SUCCESS
0x0
Unknown
Reconciler Test
Reconciler
Status
ErrorCode
9.0 Database Reconciler
SUCCESS
0x0
8.0 Database Reconciler
FAILURE
0x8007007E
SQL Server Module Versions
Module
Version
sqloledb.dll
2000.86.1830.0
9.0 replrec.dll
2005.90.2047.0
9.0 replprov.dll
2005.90.2047.0
9.0 msgprox.dll
2005.90.2047.0
8.0 replrec.dll
2000.80.760.0
8.0 replprov.dll
2000.80.760.0
8.0 msgprox.dll
2000.80.760.0
After seeing this I looked up what ReadWriteDeleteMessageFile could mean. It appeared to be some NTFS acces problem. But when I checked the security settings, it all seemed to be ok.
Has anyone any idea what else to check? Or is sure that I must have done something wrong?
Thanks in advance,
Arjan
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Oct 15, 2015
The SQL Server Agent (MSSQLSERVER) service on server started and then stopped. If i Manually start the services also SQL Server Agent services are stopping automatically.Though I selected Auto Restart SQL Server Agent if it stops unexpectedly, The services are stopping automatically.TCP/IP protocol was enabled for port 1433.Are there any setup I missed?
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Nov 30, 2006
when I run a package from a command window using dtexec, the job immediately says success.
DTExec: The package execution returned DTSER_SUCCESS (0).
Started: 3:37:41 PM
Finished: 3:37:43 PM
Elapsed: 2.719 seconds
However the Job is still in th agent and the status is executing. The implications of this are not good. Is this how the sql server agent job task is supposed to work by design.
Thanks,
Larry
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Nov 17, 2007
Hi all,
I am using ODBC to connect SQL Server 2000 + SP4 server runnig on Windows 2003 standard edition Server +SP1. But, sporadically my application server connectivity to DB fails and i receive the following error messages
[Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionWrite (WrapperWrite()).
[Microsoft][ODBC SQL Server Driver][DBNETLIB]General network error. Check your network documentation.) In D:de.cpp 702 Apr 12 2006 20:34:47
[Microsoft][ODBC SQL Server Driver]Communication link failure) In D:de.cpp 702 Apr 12 2006 20:34:47
20071017 08:23:10 TID (00000ff0) Sev (3) Err (0) Msg (Read failure.
General SQL error.
Strange thing is that i receive this error only sporadically, Please Please advice !
Thanks ,
Jitender
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Aug 22, 2007
We dont want to use triggers or replication to capture changes in a set of tables; we have the same problem in Oracle and we use LogMiner to do so. We have been looking for similar tools in SQL Server but the ones we have found so far dont seem to fulfill our requirements (Redgate and Lumigent).
Does anyone know any other third party application that can read a SQL Server log and extract changes filtering by table name?
Thanks.
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Feb 19, 2007
We just moved source server to newer, bigger box ... Windows 2003 and Active Directory ... Snapshot agent worked but distribution failed ... Same login as on older machine, login is sysadm, used DCOMCNFG to allow ability to launch process ... What are we missing?
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Sep 24, 2007
is it possible to use a data reader to read from 2 tables with 1 store procedure(sp)?
-------------------------------------------------
ex:
create sp1
as
select * from tbl1
select * from tbl2
-------------------------------------------------
how can i use a data reader to read the items from tbl2?
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Feb 22, 2008
Hi Guys,I have a quick question about DataReader, I have a function called "ExportTotal" i am calling this function from another function. what it does is it will put the Total for each Network in the Line 34. Right now what it is doing is It is putting the First Networktotal,2ndNetwork total,3rdNetwork total....... in the line 34. what i want is if the control comes to first network then it has to put only 1st network total and for the 2nd network only 2nd network total and so on. Please see my function below. Can you guys tell me what i am doing wrong?ThxPrivate Function exporttotal() As String Dim sql As String Dim dbFunctions As New DatabaseUtilities Dim tempinvoicetotal As String 'Dim rateactuals As String Dim filetext As String Dim tempclientname As String Dim strconn As String Dim prev_network As String = "" Dim current_network As String = "" strconn = CONNECTIONSTRING sql = "SELECT CAST(SUM(tblSpot.rateActual) AS int(4)) AS Rateactuals, SUM(tblSpot.rateActual * 0.85) AS netrate, SUM(tblSpot.rateActual * 0.15) AS commrate,TBLCLIENT.CLIENTNAME " & _"FROM tblSpot INNER JOIN tblContract ON tblSpot.fkContract = tblContract.pkid INNER JOIN " & _ " tblClient ON tblContract.fkClient = tblClient.pkid WHERE tblSpot.fkContractType = 'UNWIRED' AND " & _ "fkInvoiceNumber = '" & Me.txtinvoicenumber.Text & "' GROUP BY TBLCLIENT.CLIENTNAME" Dim myConn As New SqlConnection(CONNECTIONSTRING) Dim myCommand As New SqlCommand(sql, myConn) myConn.Open() Dim dbreader As SqlDataReader = myCommand.ExecuteReader() While dbreader.Read() Try Dim Rateactuals As String If dbreader("Rateactuals") Is DBNull.Value Then Rateactuals = "" Else Rateactuals = dbreader("Rateactuals") tempinvoicetotal = Rateactuals End If Dim clientname As String If dbreader("clientname") Is DBNull.Value Then clientname = "" Else clientname = dbreader("clientname") tempclientname = clientname End If If prev_network = "" Then filetext = filetext & vbCr & "34;;" & tempinvoicetotal & "00" & ";"Session("EDIExport4") = filetext prev_network = tempclientname Else current_network = tempclientname If prev_network <> current_network Then filetext = filetext & vbCr & "34;;" & tempinvoicetotal & "00" & ";"Session("EDIExport4") = filetext prev_network = tempclientname Else End If End If Catch SqlEx As SqlClient.SqlException Session("Error") = SqlEx.Message.ToString Response.Redirect("Error.aspx?Form=" & Request.Path) Catch Ex As System.Exception Session("Error") = Ex.Message.ToString Response.Redirect("Error.aspx?Form=" & Request.Path) End Try dbFunctions = Nothing End While myConn.Close() End Function
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Nov 29, 2005
Hello, I'm trying to run the following snippet as Console app, and I get an error: "a reader is already open for this connection, and should be closed first" I tried to manually say: SqlDataReader.Close() in the begining of the code, but still get the error, Any suggecstions how to manually close the reader? thank you ---------- here's the code -----------using System; using System.Data; using System.Data.SqlClient; using System.Data.SqlTypes; namespace ADO.NET { /// <summary> /// Summary description for Class1. /// </summary> class Class1 { /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main(string[] args) { SqlConnection cn = new SqlConnection ("SERVER=MyServer; INTEGRATED SECURITY=TRUE;" + "DATABASE=AdventureWorks"); SqlCommand cmd1 = new SqlCommand ("Select * from HumanResources.Department", cn); cmd1.CommandType = CommandType.Text; try { cn.Open(); SqlDataReader rdr = cmd1.ExecuteReader(); while (rdr.Read()) { if (rdr["Name"].ToString() == "Production") { SqlCommand cmd2 = new SqlCommand("SELECT * FROM " + "HumanResources.Employee WHERE DepartmentID = 7", cn); cmd2.CommandType = CommandType.Text; SqlDataReader rdr2 = cmd2.ExecuteReader(); while (rdr2.Read()) { } rdr2.Close(); } } rdr.Close(); } catch (Exception ex) { Console.WriteLine (ex.Message); } finally { cn.Close(); } } } }
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Mar 13, 2006
Dim conn As SqlConnection = Nothing
Dim cmd As SqlCommand
Dim cmd2 As SqlCommand
try
conn = New SqlConnection(ConfigurationManager.ConnectionStrings("myConnection").ConnectionString)
conn.Open()
cmd = New SqlCommand
cmd.Connection = conn
cmd2 = New SqlCommand
cmd2.Connection = conn
dim reader As SqlDataReader = cmd.ExecuteReader
Right this works and I can access reader fine
but as soon as I do the following I get an error
reader2 = cmd2.ExecuteReader (reader2 is already declared just not put on here)
the error is "There is already an open DataReader associated with this Command which must be closed first."
which is odd because there sqlcommand used for reader2 is different.
Can I not use more than one reader at anyone time? I used to have loads of recordsets open in asp 3 no prob.
Cheers
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Apr 28, 2008
I am trying to do incremental extract using Datasource reader.
I need to send a variable in where condition to extract the data base on the max date from other table.
To implement this i have created two variables
1)to get the max date from the table.
2)to store the sql query and send the mad date from other variable to extract the data.
i have give this sql variable in data flow expression.but its not working.
can any one tell me where i am going wrong.
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