SSIS Transactions In Event Handlers
Dec 4, 2007
I have an SSIS Package that loads data to a SQL Server table and also logs package statistics along the way with individual SQL statements. In the event of failure, I want the data loaded to the target table rolled back but I want the statistics updates saved to the database. My package consists of several Execute SQL tasks that handle the logging and a Data Flow task that loads the data to the target table along with a couple of event handlers to handle errors. I have the Transaction Option property on the Package set to Required, to Supported on the Data Flow, and to Not Supported on the Execute SQL tasks and the OnError Event Handlers.
When we run the package (and cause an error) everything runs fine until it gets to the On Error event handler for the Data Flow task. This task hangs and never finishes. If we set the Transaction Option for the Event Handler to Supported (allowing it to enlist in the parent transaction) it works but the updates that it makes roll back along with the data from the Data Flow.
Is there a problem with having Event Handlers stay out of a transaction started by the parent package?
Any help would be appreciated.
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Apr 24, 2015
I am currently working to write a progress log for my SSIS packages. So far I am able write a new log entry, update this log entry using OnProgress and OnError Event Handlers. I'd like to take it one step further. Whenever the package ends whether cancelled or finished normally; I'd like to write to my logging table COMPLETED_ABNORMALLY on cancelled or COMPLETED_NORMALLY on a normal finish of the package. I'm not sure where to begin with this process. I'd like to utilize a simple method and event handler.
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Sep 11, 2007
I would like to create an event handler that would catch any errors that result from a sys.<table> not existing. The package is designed to run on both SQL Server 2000 and SQL Server 2005 and when I query sys.<tables> there is an error when the query is run on SQL Server 2000. I just need a good starting point...I would like something that when the server isn't 2005 it just skips the server and doesn't fail the package and doesn't get counted towards the max error count. Thanks for any help.
-Kyle
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Dec 26, 2007
I have created a package which has event handlers.
After the end of every data flow task I have a event handler on the data flow post execute which updates a column in the
database. When I execute the package from Visual Studio everything works well. But when I call the package from
.NET I am able to carry out the data flow task, but the event handler does not execute and it does not update the column
in the database. Can anyone tell me why?
Thanks
Sai
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Oct 19, 2006
hello everyone
I'd like to know if there is a way to catch the error messages when a tasks fails, that's because i's like to store every message on a user variable, so i could log all of them later, I was thinking that it may be possible with the event handlers, could it be?
regards
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Oct 14, 2006
Hi,
We are currently facing an issue in ensuring restartability of an SSIS package. The scenario is explained below.
Context:
The SSIS Package has two Data Flow tasks. The Data Flow task named DFT1 is the predecessor for DFT2 and chained with OnSuccess precedence constraint.
OnPreExecute and OnPostExecute event handlers have been implemented for DFT1. Each task in both event handlers as well as DFT1 and DFT2 have FailPackageOnFailure set to True.
Scenario1: Task in OnPreExecute of DFT1 fails.
DFT1 is attempted and succeeded.
OnPostExecute of DFT1 was not attempted.
DFT2 was not attempted.
Checkpoint file was created; however, no entries were made.
When restarted, execution started from first step in Control flow.
Scenario2: Task in OnPostExecute of DFT1 fails.
DFT1 and its OnPreExecute Event were executed.
DFT2 was not attempted.
Checkpoint file was created and entries were made. Entries had DTS:result as 0 for OnPreExecute and DFT1 tasks.
When restarted, DFT2 was executed. OnPostExecute event, which failed during previous execution, was not attempted.
Each task in the package, whether it is in Control flow or as part of an event handler is crucial for seamless execution. But apparently, as explained above, there is no reliability on the event handlers in case of failures. Has anyone encountered similar scenario? Is this behavior as per design of the runtime engine?
Thanks, in advance,
Regards,
Rajesh
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Jul 13, 2005
I have followed Jamie's excelent article on logging to a table to follow the execution of a package.
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Nov 20, 2015
event handlers was not executed when my package get fails it will go to directly to on error...not executing on preexecute. but it was working fine previously...i haven't change anything i have run it again...got this issue...
is there any thing wrong?
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Aug 8, 2007
Hi Guys,
Here i'm back again on the previous problem of Transaction. I think the problem is coming up because in Dataflow1 i'm referring to a Sql Server table and in DataFlow2 i'm referring to the same table and when they're in transaction they're locked.
How to get rid of this glitch?
Ta
Gemma
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Jul 25, 2006
I want to truncate a table (remove all of its data) using an "Execute SQL task" and then populate that table using a Data Flow task. In case of failure, I want to "rollback" the table to its state prior to its truncation.
Can this be done using SSIS Transaction support or is that support aimed exclusively at sql-based flows?
TIA,
barkingdog
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Dec 24, 2007
Hi Pals,
I have few queries regarding the transaction management in SSIS.
1. I have a SSIS package in which i have a 2 DataFlow Tasks which basically loads 10,000 records in each table.
2. Then i have one Execute SQL Task which contains an 2 UPDATE statements.
The first UPDATE statement update the table1 which has no issues.It is preetty much straight forward.
Inside the 2nd UPDATE statement, i purposefully updating a numeric column with Alphabets. which throws an Exception.
Since I am taking care of Exception Handling in my stored procedure. So my previous UPDATE will get ROLLBACK'ed as
expected.
The catch here is, As the update statement is failed(i.e Txn is Rollabcked). Do i need to Rollback the entire data loads i.e
10,000 recs into Table T1 and table T2.
In such scenarios how do we deal such things in Real Time.
Do we Rollback the Entire Process. Can you please suggest me how do we takle such situations in SSIS.
Thanks & Regards.
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May 21, 2007
Hi,
I made a small SSIS package where I am performing some data transfer operations.
There are two servers A and B
I am getting some data from A , comparing it with some data in Server B and finally inserting some data back in A on the basis of the comparison and logic.
Anyway, the internal logic of SSIS package is not important here. What is important is that since I am deleting the data in Server A before reflooding it from Server B , this SSIS package needs to be in a transaction for obvious data integrity reasons.
I tried to put the "TransactionOption" of the package to "Required" and it fails to acquire connection after that. I do not seem to understand the reason for it because as soon as I revert the transaction option to "Supported" it is able to acquire the connection.
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May 26, 2007
Hello everyone, I had been studying the relationship between SSIS Checkpoints and SSIS Transactions.
What I want to do is to create a package with different task, where each one task creates a new transaction, and the same time each task be a checkpoint, it€™s in order to restarts the package from the failure task not from the beginning.
The Transaction-Checkpoint solution contains two packages*:
CkeckpointsAndTransactions1.dtsx and CkeckpointsAndTransactions2.dtsx
Package CkeckpointsAndTransactions1 contains four tasks, task three always fail. The package is configured to use checkpoints and each individual task creates a checkpoint. Additionally, each task creates a new transaction. The package has the TransactionOption setting to NoSupported.
In the CkeckpointsAndTransactions1 package there is something wrong, when the third task fails and I restart the package, the package starts from the beginning, this is wrong!!, the package should restart from the failure task.
In order to the package works like is expected it€™s necessary to add a new task between second and third task. It is also necessary that this new task hasn€™t transaction support. This is shown in the CkeckpointsAndTransactions2 package, in this package after package failure, I restart the package and the package restarts from the failure task, like is expected, but the additional task should not be necessary!!
Does anyone what is wrong in my packages?? How can I to create a package with different task, where each task creates a new transaction, and the same time each task be a checkpoint?
*Please download the BIDS solution from hernan93.files-upload.com (Transaction-Checkpoint.zip file)
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Nov 15, 2007
Hi,
I am new to SSIS but have been putting together a relatively complex ETL over the last few weeks. However, I have been stuck on the problem below for the last 4 days and to save my sanity, I would appreciate any help or advice.
Thanks in advance,
jc
I have a 'Control_Upload' package which contains 2 transaction containers in series. Being in series, the transactions should never overlap.
The first transaction container exists within a For Each container and contains several 'Execute SQL' and 'Data Flow' tasks. I have set the 'TransactionOption' on the Transaction container to 'Required' and the tasks within the container are set to a combination of 'Supported' and 'NotSupported'. I have set the IsolationLevel on all 'Supported' tasks to 'ReadUncommited'.
On completion, the second transaction is executed.
The second transaction container also exists within a For Each container and contains 2 'Execute SQL' tasks and 3 'Execute Package' tasks. The invoked packages also contain a ForEach Loop and several 'Execute SQL' and 'Data Flow' tasks. Again, I have set the 'TransactionOption' on the Transaction container in 'Control_Upload' to 'Required' and the tasks within the container are set to a combination of 'Supported' and 'NotSupported'. I have set the IsolationLevel on all 'Supported' tasks to 'ReadUncommited'.
I am experiencing 2 different errors which the SSIS configuration described above.
The first error relates to the first transaction. SSIS executes a number of the 'Execute SQL' and 'Data Flow' tasks which are 'Supported' by the transaction, however, it hangs indefinitely (without any warnings or errors) when it tries to execute the final 'Data Flow' task. The initial tasks execute as expected and the transaction completes if I disable the 'hanging' task. When writing data to tables within all 'Data Flow' tasks, I have the 'Data Access Mode' set to 'Table or view - fast load' and have unchecked the 'Table lock'. For this reason, I do not understand why I seem to be experiencing a potential contention lock!?!
The second error relates to the second transaction. The 3 'Execute Packages' are 'Supported' in the transaction. The first 2 seem to execute successfully but the 3rd returns the following error message when executing one of the 'Data Flow' tasks within the 3rd package.
'SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occured. Error code: 0x80004005. And OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "This operation conflicts with another pending operation on this transaction. The operation failed."'.
However, the 3 'Execute Package' tasks are connected in series and like the previous transaction, I have the 'Data Access Mode' set to 'Table or view - fast load' and have unchecked the 'Table lock' within all DB destination components. For this reason, I do not understand why I seem to be experiencing a potential contention lock!?!
Any thoughts would be greatly appreciated.
Sorry for the length and apologies in advance for my overuse of '''''' !!!
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Apr 3, 2008
When running SSIS packages, the package execution information is logged in the SYSDTSLOG90 table which contains the following columns.
id
event
computer
operator
source
sourceid
executionid
starttime
endtime
datacode
databytes
message
After executing a package, I found that the values in the "executionid" column are the only ones that are unique. Can we use this to determine what package was run? We are trying to architect a solution that would allow us to determine as to how long a package ran, if it ran into warnings / errors etc., We can easily accomplish this by having our own table and using Global variables within packages, we could insert / update this table. Appreciate any help.
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Jun 21, 2006
Hi,
We have 8 SSIS jobs which need to be made dependent on the arrival of a single file.
All the flows need to be triggered based on the presence of a file
Whats the way to do this
Thanks
Manish
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Mar 21, 2007
SSIS Checkpoint and restart event handling.
I am using checkpoints in my SSIS packages which determines the step at which the package failed the last time and restart at that step.
But i need some other task also to kickoff only during restart? There is not an OnRestart handler as OnError in SSIS.
How can i do this ?
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Aug 8, 2006
hi!
I am using a simple Data Flow within a Squence Controller and have added a Event Handler for OnPostExecute which contains a simple insert to a table, but this is not working. My package gets successfully execute but data is not getting inserted in the table used in Event Handler. I have also tried OnError, OnPackageFailer etc... but no results. Please guide.
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Sep 7, 2006
Hi everyone,
I'd like to alter OnInformation event in order to add more parameters (as TaskHost). Is it possible? I've tried but appears an error:
OnInformation' cannot to implement OnInformation' because of it doesn't exists on the Microsoft.SqlServer.Dts.Runtime.IDTSEvents'
Sub OnInformation(ByVal taskHost As TaskHost, ByVal [source] As DtsObject, ByVal informationCode As Integer, ByVal subComponent As String, ByVal description As String, ByVal helpFile As String, ByVal helpContext As Integer, ByVal idofInterfaceWithError As String, ByRef fireAgain As Boolean) Implements IDTSEvents.OnInformation
I suppose that I must add an overload method but how?
Thanks for you help/advices,
Enric
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Jan 11, 2008
Hi
I'm still fairly new to some of SSIS's enhanced funtionalities, one of them being Event handlers. I have tried creating a simple package, that simply contains a SQL Execute task that basically creates a simple table. Now i have then added a OnPostExecute even handler as a test which basically runs a script task that simply shows a msgbox. I have gone to execute the package, however after the completion of the SQL Execute task, nothing happens, the even handler doesnt get fired for some reason, i switch to the even handler page and the script task has not been executed. It is like this for every event handler i have tried, even the OnError event. Could this be a problem with my installation of SSIS or have i done something wrong?
Any help would be greatly appreciated as i have done SSIS training and to create an event handler was never this hard!
Regards
Singstar
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Jun 27, 2007
Is it possible to launch an SSIS package after a SQL event takes place? I need to run a package after a customer order is placed. Can a trigger in SQL launch the package?
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Jan 5, 2007
Hi:
I would like to have my SSIS tasks to be transacted, but due to infrastructure issues in our network, cannot utilize DTC, because our SQL Boxes are situated where the DTC cannot communicate. Are any other alternatives? Is it a feasible alternative? Please let me know. Thanks.
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Apr 4, 2008
Hi All,
We have a SSIS package where we have implemented a cursor in Execute SQL Task.
Immediately after this Execute SQL Task, we have a Data Flow Task.
The package was running absolutely fine until we changed the Transaction property of the Package to "Required".
The Transaction property for all the tasks in the Control Flow is set to "Supported".
Now, after the execution of the Execute SQL Task containing the cursor, the Data Flow Task becomes "yellow", but, does not execute. The package then gets stuck at this point and does not execute any further.
Anybody has encountered such a problem with Transactions in SSIS?
Thanks in advance.
Regards,
B@ns.
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Aug 28, 2007
I am using the sample SSIS Event Log reports provided by Microsoft: http://www.microsoft.com/downloads/details.aspx?familyid=526e1fce-7ad5-4a54-b62c-13ffcd114a73&displaylang=en
The Event Log Summary report is showing a negative value for #Abort. Why is the aborted count negative?
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Sep 10, 2007
Hi,
Is it possible to do an event based scheduling of SSIS packages from SQL Server Agent? Like schedule a package to run when a file is available in a particular folder.
Does anyone have any similar experiences to share?
Regards,
Emil
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Mar 23, 2007
Has anyone used Checkpoint files in conjunction with the OnError Event Handler ? I'm having a problem getting the OnError event to fire when the SSIS package reruns with the Checkpoint file.
The first run of the package (without a checkpoint file) works fine. The error occurs, the OnError event handler is called, the package stops and the checkpoint file is created.
When the package is restarted is goes to the correct spot (where the error occured) using the checkpoint file, then it throws an error within the For Loop container and does not call the OnError event handler. The OnError event handler is setup on the For Loop container. The ForLoop performs three loops. Each one of these loops creates an error. Not one of these errors within the three loops will trigger the OnError event handler...
Any help would be appreciated.
thanks
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Jun 2, 2015
I would like to have my SSIS tasks to be transacted, but due to infrastructure issues in our network, cannot utilize DTC, because our SQL Boxes are situated where the DTC cannot communicate. I know we can use execute SQL task with Bein Trans, but I dont think dataflow and all will not be in scope of this and cannot be rollback in case of any error in the underlying tasks.
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Oct 6, 2006
My project currently has task which have their own individual event handlers that get called onError (setup event messages). I also have a package level event handler that performs a generic task (sending events to the windows eventviewer) In the package level event handler there is a script task that decides on a boolean variable whether to "Success" or "Failure" to different task. When I fail one task of the main control flow, the task level event handler runs, then the package level event handler runs, and then it also runs again for some unknown reason. The second time it runs it picks up the value of a variable set in the variables window. However, I change this value at runtime to the value from a database. I can't understand why it would run the second time, and if it did run why it would have the value from the variables window and not the value that is set in memory. It's like the event handler runs with the value from memory and then runs and picks the values back out of the variables window, replacing the db values and re-runs.
Maybe the package itself is failing all together and then re-runing the package level event handler?
Any help would be greatly appreciated.
-Chris
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Jun 2, 2015
Recently we migrated our environment to 2012.
We are planning to implement Xevents in all the servers in place of Trace files and everything is working fine.
Is it possible to configure Extended event to trigger a mail whenever any event (example dead lock) occurs.
I have gone through so many websites but i never find.
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Oct 25, 2011
My SQL Server 2005 SP4 on Windows 2008 R2 is flooded with the below errors:-
Date  10/25/2011 10:55:46 AM
Log  SQL Server (Current - 10/25/2011 10:55:00 AM)
Source  spid
Message
Event Tracing for Windows failed to send an event. Send failures with the same error code may not be reported in the future. Error ID: 0, Event class ID: 54, Cause: (null).
Â
Is there a way I can trace it how it is coming? When I check input buffer for these ids, it looks like it is tracing everything. All the general application DMLs are coming in these spids.
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Apr 8, 2008
I have been testing with the WMI Event Watcher Task, so that I can identify a change to a file.
The WQL is thus:
SELECT * FROM __InstanceModificationEvent within 30
WHERE targetinstance isa 'CIM_DataFile'
AND targetinstance.name = 'C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Backup\AdventureWorks.bak'
This polls every 30 secs and in the SSIS Event (ActionAtEvent in the WMI Task is set to fire the SSIS Event) I have a simple script task that runs a message box).
My understanding is that the event polls every 30 s and if there is a change on the AdventureWorks.bak file then the event is triggered and the script task will run producing the message.
However, when I run the package the message is occurring every 30s, meaning the event is continually firing even though there has been NO change to the AdventureWorks.bak file.
Am I correct in my understanding of how this should work and if so why is the event firing when it should not ?
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May 31, 2007
Server 2003 SE SP1 5.2.3790 Sql Server 2000, SP 4, 8.00.2187 (latest hotfix rollup)
We fixed one issue, but it brought up another. the fix we applied stopped the ServicesActive access failure, but now we have a failure on MSSEARCH. The users this is affecting do NOT have admin rights on the machine, they are SQL developers.
We were having
Event Type: Failure Audit
Event Source: Security
Event Category: Object AccessEvent ID: 560
Date: 5/23/2007
Time: 6:27:15 AM
User: domainuser
Computer: MACHINENAME
Description:
Object Open:
Object Server: SC Manager
Object Type: SC_MANAGER OBJECT
Object Name: ServicesActive
Handle ID: -
Operation ID: {0,1623975729}
Process ID: 840
Image File Name: C:WINDOWSsystem32services.exe
Primary User Name: MACHINE$
Primary Domain: Domain
Primary Logon ID: (0x0,0x3E7)
Client User Name: User
Client Domain: Domain
Client Logon ID: (0x0,0x6097C608)
Accesses: READ_CONTROL
Connect to service controller
Enumerate services
Query service database lock state
Privileges: -
Restricted Sid Count: 0
Access Mask: 0x20015
Applied the following fix
http://support.microsoft.com/kb/907460/
Now we are getting
Event Type: Failure Audit
Event Source: Security
Event Category: Object Access
Event ID: 560
Date: 5/23/2007
Time: 10:51:23 AM
User: domainuser
Computer: MACHINE
Description:
Object Open:
Object Server: SC Manager
Object Type: SERVICE OBJECT
Object Name: MSSEARCH
Handle ID: -
Operation ID: {0,1627659603}
Process ID: 840
Image File Name: C:WINDOWSsystem32services.exe
Primary User Name: MACHINE$
Primary Domain: domain
Primary Logon ID: (0x0,0x3E7)
Client User Name: user
Client Domain: domain
Client Logon ID: (0x0,0x60D37C1A)
Accesses: READ_CONTROL
Query service configuration information
Query status of service
Enumerate dependencies of service
Query information from service
Privileges: - Restricted Sid Count: 0 Access Mask: 0x2008D
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Nov 2, 2007
Hi all,
Can we get the event properties by using a query?
Are there any extended stored procuder to get the above?
Scenario:
>Desktop>Right Click on My Computer
>Go to Manage and click
>Expand System Tools
>Expand Event Viewer
>Application
click on one event.We can get the log info which is the manual procudure.
But now i want to get the event properties through the Query analyzer...
Any help would be great?
Thanks,
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