Msg 1205 Transaction (Process ID 75) Was Deadlocked On Lock |
Oct 5, 2007
Hi:
On a production SQL2000 STD sp4 server,
1. I have dropped 10 tables with each around 1-2 gb in DB ABC
2. I had run DBCC ShrinkDatabase (ABC, 20) and it is failed after running 133 hours this morning. Yes, 133 hours.
It ran 72 hours last month and shrinked from 200 gb to 180 gb.
Thus, I expected it should be <= 72 hours to fnish since 10 more tables are dropped ?
Msg 1205 Transaction (Process ID 75) was deadlocked on lock | communication buffer resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
DBCC shrinkDatabase will cause deadlocking? how to avoid it?
Is there other ways to speed up?
thanks
-D
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Nov 14, 2007
Hi,
I was trying to extract data from the source server using OLEDB Source and SQL Server Destination when i encountered this error:
"Transaction (Process ID 135) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.".
What must be done so that even if the table being queried is locked, i wouldn't experience any deadlock?
cherriesh
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Feb 14, 2007
Hi Folks,
I am having this table locking issue that I need to start paying attention to as its getting more frequent.
The problem is that the data in the tables is live finance data that needs to be changed and viewed almost real time so what I have picked up so far is that using 'table Hints' may not be a good idea.
I have a guy at work telling me that introducing a data access layer is the only way to solve this, I am not convinced but havnt enough knowledge to back my own feeling up. (asp system not .net).
Thanks in advance
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Jan 6, 2012
We are facing deadlock issue in our web application. The below message is coming:
> Session ID: pwdagc55bdps0q45q0j4ux55
> Location: xxx.xxx.xxx.xxx
> Error in: http://xxx.xxx.xxx.xxx:xxxx/Manhatta...Bar=&Mode=Edit
> Notes:
> Parameters:
> __EVENTTARGET:
> __EVENTARGUMENT:
[code].....
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Nov 10, 2006
Hi,
I got the following error when I try running my “comments.aspx� page with visual studio 2005Exception Details: System.Data.SqlClient.SqlException: Transaction (Process ID 83) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
fExecuteQuery(String commandText, String dataSetName) +90 fExecuteQuerySet(String commandText, String dataSetName) +36 ASP.comments_aspx.GetNarComment() +618 ASP.comments_aspx.Page_Load(Object sender, EventArgs e) +476 System.Web.UI.Control.OnLoad(EventArgs e) +67 System.Web.UI.BasePage.OnLoad(EventArgs e) +1013 System.Web.UI.PopupPage.OnLoad(EventArgs e) +4 System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +750
The segment code was the problem sits in file "comments.aspx"::
…
string cmdText=��;
cmdText = string.Format(@"-- Get All Narative comments fo all students in the course from @selectedTermID down to its child terms
exec aagGetStudentSectionComments @companyID={0}, @sectionID={1}, @selectedTermID={2}, @StudentID={3}
", _companyID, sectionID, selectedTermID, studentID);
ds = fExecuteQuerySet(cmdText, "getMySet");
…
// the 2 functions to deal with ADO.NET to be called in above code segment
// return a dataset.
public DataSet fExecuteQuery(string commandText, string dataSetName)
{
DataSet mds = new DataSet();
SqlDataAdapter da = new SqlDataAdapter(commandText, _cn);
da.SelectCommand.CommandTimeout = 600; // 600 seconds
da.Fill(mds, dataSetName);
return mds; // return dataset
}
// Assume para commandText contains sql query which returns a table or more.
// return a DataSet.
public DataSet fExecuteQuerySet(string commandText, string dataSetName)
{
DataSet mds = new DataSet();
mds = fExecuteQuery(commandText, dataSetName);
return mds; // return DataSet
}
Please give me the reason why that dealock happens?Thanks in advance
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Feb 27, 2006
ive seen this Deadlock Error message out on the internet being discussed, but no solution being offered.
i have a windows service that's running Select Statements [one at a time] - so unless there's some command in sql server that would re-run these - it could be a problem for me.
now if im running this select proc manually - of course i see the message and re-run the process, but how can this be accomplished programatically.
see msg below:
Transaction (Process ID 106) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
thanks for any help on this
rik
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Nov 29, 2004
;)
Hello Everybody,
My name is Fabio and I post from Italy.
First, I don't know if this argument was already discussed in the past, but I'm new in this group so ...
Second I'm not so expert in DB due to the fact that I'm using SQL for the first time in my life ...
I use a store procedure to pass to every single user in my intranet (more than 150), details of different clients taken from an SQL table containing around 30.000 names.
Users have an ASP page displaying the information Selected in the DB.
This means that 150 users display info of 150 different clients.
To to this I use this code in store procedure:
CREATE PROCEDURE sp_assign_name
@iduser int
AS
if exists(select top 1 * from recallornotes where tmkoperator= @iduser)
update nominativitelecom set tmkmotrecall=convert(nvarchar(1), tmkstatus), tmkstatus=7 where id in (select top 1 id from recallornotes where tmkoperator=@iduser)
else
begin
if exists(select top 1 id from nonotes)
update nominativitelecom set tmkmotrecall=convert(nvarchar(1), tmkstatus), tmkstatus=7, tmkoperator =@iduser where id in (select top 1 id from nonotes with (UPDLOCK) order by NewID())
end
GO
This is working quite well when the number of users are more ore less around 50/60, when the number grows, on the IIS server (Pentium IV server, with Win 2000 in English, MS SQL 2000, and 1 Giga of ram), a file called DLLHOST.exe start to use the 100% of the CPU, and the users cannot display any other ASP page on their screens.
It is not a virus (some newsgroup report this problem connect to a worm virus, but we have latest antivirus files installed and spyware detect/delete on).
The SQL log reports this error:
"transaction (process id 69) was deadlocked on (lock) resources with another process and has been chosen as the deadlock victim. rerun the transaction".
Is there a way to avoid the conflict that occur when different users are trying to select the same record in the DB ?
In other terms, which process will you use in the same situation to select one record per user ?
Thanks in advance for your precious help,
Fabio
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Jan 2, 2006
In an SSIS package I am continually getting the same error:
"Transaction (Process ID 58) was deadlocked on thread | communication buffer resources with another process and has been chosen as the deadlock victim. Rerun the transaction.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
The package is attempting to do a simple Execute SQL Task. Since this seems like a database and not integration services issue, does anybody have any thoughts or insight into this error and where to begin troubleshooting?
Thanks,
Adrian
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Jun 27, 2007
Hi, i am getting this error when i am running a stored procedure.
Transaction (Process ID XXXX) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
i think so it is getting this error becasue it blocking it self at one point in the SP
DECLARE cty_Cursor CURSOR FOR
SELECT Country FROM TB_Country
declare @cty varchar(2)
OPEN cty_Cursor;
FETCH NEXT FROM cty_Cursor into @cty;
WHILE @@FETCH_STATUS = 0
BEGIN
EXEC SP_DO_SOMETHING @cty
FETCH NEXT FROM cty_Cursor into @cty;
END;
CLOSE cty_Cursor;
DEALLOCATE cty_Cursor;
i think so it calls the SP then before SP finsih its working it calls it back from cursor with other argument.
how we can make it sure it finish it execution before it is being called again. i think so we need some sort of lock here but i am not able to find right solution . please anyone suggest something.
Regards,
Haroon
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Nov 7, 2007
Hi, i get this error while i manually execute dts. But when i execute dts on my .aspx page, i can't handle this error on "... catch(Exception ex) {... }" part. catch (Exception ex) {
return ex.Message ; //DtsPackage.OnError += new PackageEvents_OnErrorEventHandler(DtsPackage_OnError);
} Here is dts message in a text file. Step 'DTSStep_DTSDataPumpTask_3' failedStep Error Source: Microsoft OLE DB Provider for SQL ServerStep Error Description:Transaction (Process ID 124) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.Step Error code: 80004005Step Error Help File:Step Error Help Context ID:0 Any idea?
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Nov 7, 2007
Hi, i get this error while i manually execute dts. But when i execute dts on my .aspx page, i can't handle this error on "... catch(Exception ex) {... }" part.
catch (Exception ex)
{
return ex.Message ;
//DtsPackage.OnError += new PackageEvents_OnErrorEventHandler(DtsPackage_OnError);
} Here is dts message in a text file.
Step 'DTSStep_DTSDataPumpTask_3' failed
Step Error Source: Microsoft OLE DB Provider for SQL Server
Step Error Description:Transaction (Process ID 124) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
Step Error code: 80004005
Step Error Help File:
Step Error Help Context ID:0
Any idea?
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May 20, 2008
Hi Friends,
I am Kamesh presently facing a problem in deleting the cub file. If any one can help me
In my application
· I need to connect to the .Cub file
· fetch data
· close connection
· delete the cub file
After closing the connection the cub is still locked so I am unable to delete the file.
I am getting error "The process can not access the file '''C:Program FilesTNSOLA Cubpromotioncubfile88854793-0111-ffff-ffff-ffffffffffff.cub" because it is being used by another process.
Simply i tried open the cub and immediately closing the connection and called GC.Collect()
Trying to delete the cub file. It is not accepting.
Looking forward for any help.
Regards
Kamesh.
Code which i used is mentioned below.
using VS 2005 frame work 2.0.
Imports System.IO
Imports Microsoft.AnalysisServices.AdomdClient
Dim objConnection As New AdomdConnection
Try
objConnection.ConnectionString = "Provider ='msolap';Pooling='False'; Data Source = 'C:Program FilesTNSOLA Cubpromotioncubfile88854793-0111-ffff-ffff-ffffffffffff.cub'"
objConnection.Open()
'objConnection.Close()
objConnection.Dispose()
GC.Collect()
File.Delete(cubpath)
Catch ex As Exception
MsgBox(ex.Message)
End Try
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Jul 20, 2005
Hello:I run one process that calls the following the store procedure andworks fine.create PROCEDURE sp_GetHostSequenceNumASBEGINSELECT int_parameter_dbf + 1FROM system_parameter_dbtWHERE parameter_name_dbf = 'seqNum'UPDATE system_parameter_dbtSET int_parameter_dbf = int_parameter_dbf + 1WHERE parameter_name_dbf = 'seqNum'ENDGOIf I run two processes that call the above store procedure, I mightoccasionally get the dirty data of int_parameter_dbt. I guess that iscaused by two processes accessing to the same resource simultaneously.Is there any way to lock the store procedure call from MSSQL Serverand allow only one process to access it at a time?Thanks for help.Best Jin
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May 18, 2006
I have a process that is running on a windows service that feeds a web applications database. While the windows service is processing the data the web application can't get to the data, this causes a minute or two delay, no so bad if it didn't happen every two minutes. What I am wondering is if I can set something on the ado.net transaction object that might get me around this problem. I don't know if i want a dirty read, because that would cause the web app to have exceptions. Any tips around this would be great. Thanks in advance
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May 14, 2008
Hi,
I have some client application that connects directly to the database... For each time:00 this application runs in each client inserting about 2000 registries that belongs to that client in the same table...
But for some clients, this error appears: "Transaction (Process ID 67) was deadlocked on lock resources with another process and has been chosen as the deadlock victim"
Is there a way make it work correctly ? I can't change the application...
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Jul 14, 2005
Hi, I have a table that has among others, two columns that make up a unique index on a table. The first: ParentID, is the foreign key from another table, the second: ItemID, is a sequential counter for that ParentID. So, I will have the following in my table:ParentID ItemID1 11 21 32 12 2etc.When I want to add a new row to the table, I need to calculate the new ItemID to insert into the table. When this is calculated, I want to ensure that no other records are inserted in the table until I insert mine. My stored proc currently does roughly the following:BEGIN TRAN...Set @ItemID = (SELECT Max(ItemID) From Table1 (TABLOCKX) WHERE ParentID..... + 1INSERT Table1 ......If No ErrorCOMMIT TRANelseROLLBACK TRANThe sp works but I don't know how the lock works: does it last until the transaction is committed/ rolled back or just for the duration of the select?Thanks in advance.
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Feb 17, 2006
Would table1, table2 and table3 in code below, be locked with a shared lock from start of transaction to the end of transaction Or they would only be locked for the duration of their update, or insert statements and not for the entire transaction? Default isolation level is in effect in SQL Server.
begin tran update table1 set column1 = 100 if @ERROR = 0 begin declare @stat int set @stat = (select stat from table2 where employeeid = 10) insert into table3 (col1, col2) values (@stat , 325) if @@ERROR = 0 commit tran else rollback tran end else roll back tran
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Jul 23, 2005
Hi,I have an application that causes a dead lock at random. The issue I amhaving is, when the deadlock occurs, my applications is not recievingany errors from the DB. ie, during the deadlock SQLServer is returningan empty recordset and user is seeing a blank screen. The app logicdoes not go into the Try Catch statment in the C# code. I can'tunderstand why my app is not receiveing 1205 error from SQL server whendead lock occurs.Any ides why this is happening?Thanks_GJK
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Nov 5, 2002
Hi,
My transaction log backup task for the production database which normally takes about 10 seconds has been running for almost about 2 hours now.
Is there any way to stop it without restarting sql services? The scheduled task was stopped from the jobs but spid is still in 'runnable' status. I should not kill 'backup log' or 'xp_sqlmaint' tasks.( It doesn't solve the problem anyway. the SPID goes in rollback status and stays like that until server is rebooted). Any way to find out what causes this problem and how to prevent it?
Thanks,
Shaili
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Apr 29, 2015
The process could not execute 'sp_repldone/sp_replcounters' on 'sqldb2008'. (Source: MSSQL_REPL, Error number: MSSQL_REPL20011).The specified LSN {00000000:00000000:0000} for repldone log scan occurs before the current start of replication in the log {001317bf:0000f736:0008}. (Source:Â
MSSQLServer, Error number: 18768).The process could not set the last distributed transaction. (Source: MSSQL_REPL, The process could not execute 'sp_repldone/sp_replcounters' on 'sqldb2008'. (Source: MSSQL_REPL, Error number: MSSQL_REPL22037)
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Jul 21, 2006
We have a scenarion in a batch job. There are 3 sp's which are executed for every record in a table. After the execution of first sp the second sp executes depending upon the result of first sp. Simillarly for 2nd and 3rd sp.
Now if any sp execution fails than the whole transaction for that record in the table has to be rolled back.
Can this whole process of executing the multplie sp's insides a single transaction be accomplished using service broker with either a single queue or multiple queues?
sp 1 (1 record)
__________ l_____________
l l l sp2 ( 3 records for 1 record in sp1)
Simillalry for the one record in sp2, sp3 executes for multiple records.
Or in other words if processing of any message in a queue fails all the messages that have been processed already shoould be rolled back and no further execution should happen?
Also i would like to know can a conversation group be rolled back if processing of any message in the conversation group fails. I am asking this as we can club sp2 and sp3 together to get the results directly and than try for parallel processing.
P.S. We have a multiprocessor 64 bit server.
thanks
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Feb 15, 2006
I am afraid that just after @statusOfEmployee is retrieved from table1, but before table2 is updated, someone else (a second user) calls this same stored procedure and changes the @statusOfEmployee value. This would create an inconsistent update of table2 by first user, since the update of table2 'might' not have gone ahead if the latest value of @statusOF Employee was used. CAN SOMEONE PLEASE HELP ME WITH THIS SITUATION AND HOW I CAN BE SURE THAT ABOVE DOES NOT HAPPEN SINCE MULTIPLE USERS WILL BE HITTING THIS STORED PROCEDURE?
declare @status intbegin transet @status = (select statusOfEmployee from table1)if @@ERROR = 0 begin update table2 set destination = @destination /* @destination is an input parameter passed to the sp*/ where @currentStatus = @status if @ERROR = 0 commit tran else rollback tran endelse rollback tran
return
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Jul 20, 2005
We are having a really big problem with a zombie process/transactionthat is blocking other processes. When looking at Lock/ProcessIDunder Current Activity I see a bunch of processes that are blocked byprocess 94 and process 94 is blocked by process -2. I assume -2 is azombie that has an open transaction. I cannot find this process tokill and it seems that this transaction is surviving databaserestarts. I know which table is locked up and when I run a select *from this table it never returns. Does anyone have any ideas as tohow to kill is transaction.Any help is appreciated.A. Tillman
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Feb 26, 2003
Hello everybody,
I am trying to set up alert for deadlocks (error 1205)
I am able to create alert with net and e-mail notification (email and and
net notification tested and operator exist)
Trace enabled by
DBCC traceon (-1, 3605, 1204)
To create deadlock I use test script from
http://vyaskn.tripod.com/administration_faq.htm#q4
Deadlock created and writetn into log file ,but alert never fires and
counter always at 0
I am running SQL2000 Enterprise edition SP3.
I used same steps on 5 other server ,but effect is the same, deadlock
detected and written into log file, but notificaion never fires ?
why alert does not fire ,is it a bug ?
Thank
Alex
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Mar 6, 2008
I have over 500 transaction records in a single DB process handling within SQL transaction (Begin, Commit, RollBack and End).
Is there any limitation for the following rollbacktransaction function to handle more records (eg. over 500 records)? Public Shared Sub RollBackTransaction()
Dim transactionObj As Object
Try
transactionObj = SqlTransaction.GetExistingTransaction
If (Not IsNothing(transactionObj)) Then
CType(transactionObj, SqlTransaction).RollBack()
End If
Catch ex As Exception
Throw New Exception(ex.Message)
End Try
End Sub
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Mar 22, 2002
Hi,
While watching through performance monitor the processor time often goes high above the memory.
Could you please tell me how to find out which process is doing that.
Thanks
John Jayaseelan
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Apr 10, 2006
Hello,
I currently have a Transactional Log reader agent failing with the below error:
The process could not execute 'sp_replcmds'
Error: 14151, Severity: 18, State: 1
SQL Server Assertion: File: <logscan.cpp>, line=2223
Failed Assertion = 'm_noOfScAlloc == 0'.
Stack Signature for the dump is 0x24642FE5
Error: 3624, Severity: 20, State: 1.
SQL Server Assertion: File: <logscan.cpp>, line=1985
Failed Assertion = 'startLSN >= m_curLSN'.
Stack Signature for the dump is 0xD7150BD4
Now, I understand that SP4 is supposed to fix a similar issue. SP4 has been installed and the errors keep happening. I do notice that the hot fix mentions different line numbers than the above errors. Does anyone know if this is a new bug? If not can someone explain the fixes to me, thanks,
Tech Drone.
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Aug 20, 2007
Hi all,
In SQL Server 2000 you could run the piece of code below, to enable the logging of a deadlock in the SQL Server error log. Which could then be used to fire an alert, and then kick of an Agent job to send an SMTP email alert.
Exec sp_altermessage 1205, 'WITH_LOG', 'true'
The error message logged was a nice simple one liner, like this:
Transaction (Process ID 57) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
Now I work for a managed SQL Server company, and a large number of our clients used our alerting for deadlocking to tune their applications, or at a minimum to show them when something was wrong with the database due to sudden rise in the number of deadlocks.
However, in SQL Server 2005, the functionality for the sp_alertmessage procedure has been changed so that you can't update any message id less than 50,000. Which comes inline with the secure engine that Microsoft have designed.
But this now means you can no longer enable the logging for deadlock message ID 1205. Which in turn means no alerting can be enabled.
You can still log information by enabling the necessary trace flags, however that logs very verbose information about the deadlocking chain, which in turn can quickly blow the size of the error logs out.
What I would love to see is this functionality returned in SQL Server 2008, or at least an alternative so that only minimum information is logged initially for a deadlock, and alerting can be setup.
Also, for those of you who have read through the 2005 BOL, about deadlocking, although it states the following in the section on deadlocking:
"...The 1205 deadlock victim error records information about the threads and resources involved in a deadlock in the error log.€?
This isn't the case, unless you enable some trace flags, which as mentioned will give you a whole lot of information, which although is valuable, isn't ideal if you're wanting day to day deadlock tracking.
Does anyone have any thoughts on this? Have you struck this as well? Do you think this should be something that shouldn't have been removed from 2000?
Cheers,
Reece.
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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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Aug 20, 2001
Hi, I have no idea what i'm doing wrong: Tried to gather more detail information about Deadlock (error # 1205) set the trace flag 1204 - ON (tried 1205 - ON as well) nothing happend, still the same message outgoing "Your transaction (process ID #13) was deadlocked with...." with no any detail.
If anybody met the same problem before, HELP please.
Maybe the information goes to some place other than Error Log file?
Thanks,
Dima
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Feb 2, 2007
I simply made my script task (or any other task) fail
In my package error handler i have a Exec SQL task - for Stored Proc
SP statement is set in following expression (works fine in design time):
"EXEC [dbo].[us_sp_Insert_STG_FEED_EVENT_LOG] @FEED_ID= " + (DT_WSTR,10) @[User::FEED_ID] + ", @FEED_EVENT_LOG_TYPE_ID = 3, @STARTED_ON = '"+(DT_WSTR,30)@[System::StartTime] +"', @ENDED_ON = NULL, @message = 'Package failed. ErrorCode: "+(DT_WSTR,10)@[System::ErrorCode]+" ErrorMsg: "+@[System::ErrorDescription]+"', @FILES_PROCESSED = '" + @[User::t_ProcessedFiles] + "', @PKG_EXECUTION_ID = '" + @[System::ExecutionInstanceGUID] + "'"
From progress:
Error: The Script returned a failure result.
Task SCR REIL Data failed
OnError - Task SQL Insert Error Msg
Error: A deadlock was detected while trying to lock variable "System::ErrorCode, System::ErrorDescription, System::ExecutionInstanceGUID, System::StartTime, User::FEED_ID, User::t_ProcessedFiles" for read access. A lock could not be acquired after 16 attempts and timed out.
Error: The expression ""EXEC [dbo].[us_sp_Insert_STG_FEED_EVENT_LOG] @FEED_ID= " + (DT_WSTR,10) @[User::FEED_ID] + ", @FEED_EVENT_LOG_TYPE_ID = 3, @STARTED_ON = '"+(DT_WSTR,30)@[System::StartTime] +"', @ENDED_ON = NULL, @message = 'Package failed. ErrorCode: "+(DT_WSTR,10)@[System::ErrorCode]+" ErrorMsg: "+@[System::ErrorDescription]+"', @FILES_PROCESSED = '" + @[User::t_ProcessedFiles] + "', @PKG_EXECUTION_ID = '" + @[System::ExecutionInstanceGUID] + "'"" on property "SqlStatementSource" cannot be evaluated. Modify the expression to be valid.
Warning: The Execution method succeeded, but the number of errors raised (4) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
And how did I get 4 errors? - I only set my script task result to failure
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Feb 9, 2000
When I execute a select with an inner join my query is bombing out calling me a deadlock victim. I know what deadlocking is, but I am only doing a select.
Why would a select lock records?
Could anyone explain what locking occurs when a select is fired with a join?
Thanks
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Apr 7, 2004
Hi
We are facing an acute situation in our web-application. Technology is ASP.NEt/VB.NET, SQL Server 2000.
Consider a scenario in which User 1 is clicking on a button which calls a SQL stored procedure. This procedure selects Group A of records of Database Page1.
At the same time if User 2 also clicks the same button which calls same SQL stored procedure. This procedure selects Group B of records of Database Page1.
So, its the same Page1 but different sets of records. At this moment, both the calls have shared locked on the Page1 inside the procedure.
Now, in call 1, inside the procedure after selecting Group A of records, the next statement is and update to those records. As soon as update statement executes, SQL Server throws a deadlock exception as follows :
Transaction (Process ID 78) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction
We are able to understand why its happening. Its because, Group A and Group B of records are on the same Page1. But both the users have shared lock on the Page1. So, no one gets the exclusive lock in records for update, even though, the records are different.
How can I resolve this issue? How can I get lock on wanted rows instead of entire page?
Please advice. Thanks a bunch.
Pankaj
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