Handling Errors When Using A Lookup Task
Jul 13, 2006
Hi
I am trying to use this painful new SSIS process. I basically need to use a lookup task to check to see whether a record exists or not. If not, then I need to insert the record. However, because this is treated as an error situation (which is stupid in itself), I get a problem when the number of records not found reach the MaximumErrorCount, and the rest of the package fails. Is there any other method of doing this type of thing, without simply increasing the MaximumErrorCounty to some ludicrous value. I could do this type of thing very very very easily when using DTS packages using the Data Driven Task, it seems so stupid that I can't perform the same kind of task using SSIS.
Any help would be appreciated
Thanks
Darrell
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Jun 27, 2007
Hi All,
Actually this is in regard to SCD Type 2 Dimension, Scenario is like that I am moving Fact table from some old source and I have dimensionA description value in fact which I want to replace with appropriate id from Dimension Table and that Dimension table is SCD Type 2 based on StartDate and EndDate and Fact Table doesn't contains direct date value rather there is timeId in Fact so to update the value in Fact table I have to Join Time Dimension table and other Dimension Table to replace fact Description with proper Id.
Lets assume DimensionA Structure
id
Description
StartDate
EndDate
Fact Table
id
measure1
measure2
TimeId
Description
Time Dimension
TimeId
Date
Day
Hour ...
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Aug 21, 2006
Hi,
I am new to using SSIS. I need to know how can I retrieve the records in a Lookup component that cause an error to use them in a Data Transfer task. I created the error event handler but I don't know how to retrieve the records causing the error to use them in the Data Transfer task.
Thanks in advance for help!
Thanks,
Aref
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Mar 25, 2006
Hello to all,
On my webPage I have Used one SQLDataSource to access DataBase. Now whenever some error occures it shows error page by default. I am not able to catch Errors and tackle in my way...
Furthermore in this new structure of accessing DataBase even I do not know where to write Try... Catch...
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Oct 5, 2007
Hi Everyone,
I have developed a SQL script that runs daily using the SQLCMD command line utility. The script executes about 15 INSERT INTO statements. The problem is that when one of the SQL statements contains an error, the script stops running, therefore not running the SQL statements below it. How can I avoid this? I would like the script to continue to the next statement. Also, how can I save the error messages if any errors has occurred?
Thank You
-Sam
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Feb 11, 2008
Hai
I wrote a sp in sqlserver2000 and sp consists of 1 input parameter of type datetime and everything is working fine but if i pass the argument of invalid date format it is giving error.Is there any way to handle errors in sps and even if i give invalid format it should not raise errors.Pls reply as early as possible.
Thanks
Aruna
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Sep 10, 2001
Hello,
I want the server to check validation rules and not the user application
is this possible???
I want to send my own messages to the user and dont want the user to see the
servers messages.
Thank you in advance
Eran
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Jan 5, 2004
HI!!
I've been working for an year or so with DTS, but it still makes me mad with it's cryptic error messages!!!!
"The task reported failure on execution" is one of the "funny" error messages I retrieve. I've tried with the log option, but error messages stored there are as cryptic as the one shown on the screen!!!!!
Timothy Peterson in "MS SQL Server 2000 DTS" provides code chunks that can be used to "decode" numerical error messages into something readable and understandable, but I really don't realize where should I put that code :( It seems to work only if you are executing packages via Visual Basic, and not using the MMC
That's it, I really do need help with this!!!!!!! I beleive that there's someone out there that had faced and solved this problem !
Thanks in advance
lorena
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Sep 20, 2006
When I have an alternet Data Flow in an event handler, caused by a record failing to be inserted due to a unique-key constraint violation, does this increment the number of errors, counting towards the MaximumErrorCount? How can I NOT count it as an error?
The thing is, I need to insert 300,000+ records each day, and some may be duplicates from data already in the table. So I set a unique key constraint on the table, and if during the load, it fails, it will trigger an alernate data flow to load the error records into another table. But if someone tries to load a file that already has been loaded, for example, all the records would be duplicates, which would be equivelant to 300,000+ errors, and I don't want to keep setting the MaximumErrorCount property higher and higher.
Is there any way to treat the error as "being handled" in the dataflow, so therefore doesn't treat it as an error? Or conversely, can I set the MaximumErrorCount property to 0 or -1 to accept all errors, no matter how many?
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Jan 2, 2007
We are displaying the report in our reporting application but we do not want to display errors from SSRS to the user. We want to handle the errors and display a user friendly message.
How can that be done?. We are making URL access to the report server.
Thanks.
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Jun 26, 2007
In almost all scenarios, where there is an error, it also raises 3-4 other errors like these ones below.
I'm 100% sure, the 1st one is the actual error resulting in package failure and the errors 2-5 is the result of error #1. So what ever code I have in the error handler section of the package gets executed 5 times.
How do I handle this? Can do I hard coding for the error numbers?
1. An OLE DB error has occurred. Error code: 0x80040E07.
An OLE DB record is available. Source: "Microsoft OLE DB Provider for Oracle" Hresult: 0x80040E07 Description: "ORA-01858: a non-numeric character was found where a numeric was expected ".
2. The PrimeOutput method on component "OLE DB Source" (1) returned error code 0xC0202009. The component returned a failure code when the pipeline engine called PrimeOutput(). The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing.
3. Thread "SourceThread0" has exited with error code 0xC0047038.
4. Thread "WorkThread0" received a shutdown signal and is terminating. The user requested a shutdown, or an error in another thread is causing the pipeline to shutdown.
5. Thread "WorkThread0" has exited with error code 0xC0047039.
Thanks
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May 14, 2008
With the new features of SQL Server 2005 for error handling (TRY...CATCH blocks), how are you propagating errors back to the caller? For example, lets say we have 3 stored procedures:
dbo.usp_UpdateSomeTable1
dbo.usp_UpdateSomeTable2
dbo.usp_UpdateSomeTable3
Let say some application calls dbo.usp_UpdateSomeTable1, in turn dbo.usp_UpdateSomeTable1 calls dbo.usp_UpdateSomeTable2 and in turn dbo.usp_UpdateSomeTable2 calls dbo.usp_UpdateSomeTable3.
Now if dbo.usp_UpdateSomeTable3 generates an error, how do you handle propagating this back to the caller?
I envision encapsulating the contents of each procedure in a TRY...CATCH block like so:
BEGIN TRY
...do some stuff
END TRY
BEGIN CATCH
...handle errors - whether generated from our own RAISERROR statements or by the database engine.
END CATCH
Now my problem is I would like to capture all the error variables and toss them back to the caller and keep sending that information up the stack. So far my attempts have been pretty unreadable and end up being just a cluster of text.
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Aug 8, 2007
Hi All,
Well, tha case here is simply that i have a (Suppliers.csv) as an Input.
When taking that file, I do some validation on it's rows (Data type validations, Mandatory Fielda validations..etc).
When some rows to do not meet the requirments i put in these validations , it is supposed to be directed to an (Errors) Table in my SQL DB.
I want to include the order of the invalid row in the input File (The row which did not pass from the pre-mentioned validations) within the (Errors) Table when i direct the invalid rows to it.
Any ideas ?
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Feb 18, 2008
Hi all,
I'm trying to grab the lookup error output in my data flow task and send this information attached via an email to myself so that I know what records are causing problems. Does anyone have any useful links or suggestions on how to do this? It would be well appreciated.
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Jul 5, 2007
Hi,
In terms of data flow tasks, when say we load text files into databases.
Is it possible to have it in a way so that if a certain record (line in the text file) fails to load due to watever reason, it gets written to another table, but the rest of the records still get loaded?
I try to do so and end up with the whole data flow task failing and it stalls at the record that had the error and doesn't seem to continue forward.
I just used the red arrow (on failure) and put that to another SQL destination object. But yeah that didnt work.
If someone has a better way of doing so, would be awesome if you can share that.
Cheers
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Mar 14, 2008
I am using the Execute SQL Task to call a sproc which I am not in the design stream for, so I can call it but I cannot change it. I need to deal with the issue of handling an error from a call to this sproc- the stored procedure does not return any output variables nor a return value that I can nail, all I get is a failure in the task. The sproc itself is just a straightforward insert into a table which can fail for any of the obvious reasons (PK violation, bad data, null data et al). The point is I want to know which rows failed in the insert (moving data from one databases table to another one row at a time wiith the sproc being inside a loop task over a recordset variable populated via a data flow call to a SELECT statement) so that I can flag then as such so that when I am finished in my loop I am left with a bunch of rows that did not make the trip from database A to databases B - within the loop, for each row that the sproc call is successfull, will hjave another sproc follow it to delete it from the original, but I cannot get this far when my INSERT sproc call fails. I have tried changing the MaxErrorCount to a big number - ceratinly more than I need but it does not seem to matter .lCan you help me out here - or is the design flawed anyway?
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Sep 21, 2006
I'm importing an Excel file and massaging it with a custom script task. I get an error "Index was outside the bounds of the array." That error is helpful but I needed to know which of the 70,000+ lines the error occurred on. What is the best way of devbugging this issue? Try-Catch-Finally with messageboxes in the Catch clause?
Barkingdog
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Mar 24, 2006
I have a main package that calls several other packages using Execute Package Tasks. I also have OnPreExecute, OnPostExecute, and OnError event handlers at the package level to audit the beginning and completion of each package. I want to prevent each task from bubbling up to the package event handlers as well as prevent each task from bubbling up to the main package event handlers. I've tried setting the Propagate variable for each of the event handlers to False and setting the DisableEventHandlers property of each task to True but neither solution seems to work. Is there a way to do this that I'm missing?
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Feb 22, 2008
Hi,
I've looked at so many examples on the web but I can't get my dataflow with lookup to work correctly. It just keeps inserting the records instead of updating them because they already exist. I know it's something simple but I've been trying to figure it out for the last 4 hours and am over my head. In the lookup I have 5 columns as available input and of course the matching lookup columns and selected 4 with lookup operation replace and tried add as new. It just keeps adding them to my destination table when they already exists. I can't figure out what i am doing wrong?
thanks,
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Jun 6, 2006
Is there a way to set the Lookup task to be not case sensitive? For example, the lookup table has id 1, value 'ABCD'. The value that I'm using to lookup is 'abcd'. I cannot make it to return the id 1 unless I convert my lookup value to be all upper case.
And I don't want to use Fuzzy Lookup.
Thanks,
Ash
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Mar 2, 2006
I have an SSIS package that unpivots data - each row from the source becomes 20-24 rows in the destination db. In the dataflow it looks up some type-data IDs before inserting into the destination table. The whole process flies through the data at an incredible rate, however I find that the final commit on data insertion takes a very long time, and two of the lookup tasks remain yellow throughout. It appears that there may be a contention issue because the final table has FKs to those lookup tables.
In T-SQL it is possible to do SELECT..... WITH (NOLOCK), but when I modified the SQL statement of the lookup task by adding this clause, it caused an error "Incorrect syntax near the keywork 'with'."
Is there any way around this problem? THNX!
PhilSky
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Jan 31, 2007
Hi,
I am using ATL COM library application. It is using sql data base for fetching the records. Some times, i get the following error. could you please let me know, why this happens? This is not reproduceble every time.
(Error! hr=80040e21, hrDesc=Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work
Here is the code to connect to database which i am using.
CDataSource db;
CDBPropSet dbinit(DBPROPSET_DBINIT);
dbinit.AddProperty(DBPROP_AUTH_INTEGRATED, OLESTR("SSPI"));
dbinit.AddProperty(DBPROP_INIT_CATALOG, (const char *)bDatabase);
dbinit.AddProperty(DBPROP_INIT_DATASOURCE, (const char *)bServer);
dbinit.AddProperty(DBPROP_INIT_LCID, (long)1033);
dbinit.AddProperty(DBPROP_INIT_PROMPT, (short)4);
dbinit.AddProperty(DBPROP_INIT_TIMEOUT, (short)150);
hr = db.Open(_T("SQLOLEDB.1"), &dbinit);
if (FatalError(hr, "db.Open", buf))
{
*iErrorCode = hr;
return S_OK;
}
Any help, appreciated.
Thanks,
Satish
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Nov 2, 2015
When my ForEach Loop runs, when a file does not exist on the server, I am getting a File does not exist error.I would prefer to write a mesaage to my log and then move on to the next step successfully.When I got to Event Handlers and select OnTaskFailed, what do I want to do from here?
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Feb 12, 2008
Hi,
We currently have a SSIS package which is using a batch script . This batch script actually executes on TERADATA server and loads data in to terdata db. We did not get access to UNIX env so we are planning to create SSIS packages that can call the batch scripts and perform tasks on terdata.
Can somebody throw some light how to caputure the information if there is error in batch script or data loading and send a mail.
Ealrier we created packages that were doing data loading on SQL server and if something fails then we used error handling machanism in stored procedures which logs failure event in to SQL table and then using send mail task it send a email.
I nwant to know how to use error handling when something fails on terdata and send mail to us.
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May 22, 2008
Hi All,
I have a requirement here to import data from XML file to SQL Database. The XML schema contains of various elements and one of the element is recursive ie. Parameter node contains parameter node within it and it can have n number of iterations. I have given the sample schema below:
<xs:element minOccurs="0" name="Parameter">
<xs:complexType>
<xs: sequence>
<xs:element minOccurs="0" name="ID" type="xs: string" />
<xs:element minOccurs="0" name="Description" type="xs: string" />
<xs:element minOccurs="0" name="Type" type="xs: string" />
<xs:element minOccurs="0" name="Parameter">
<xs:complexType>
<xs: sequence>
<xs:element minOccurs="0" name="ID" type="xs: string" />
<xs:element minOccurs="0" name="Description" type="xs: string" />
<xs:element minOccurs="0" name="Type" type="xs: string" />
<xs:element minOccurs="0" name="Parameter">
<xs:complexType>
<xs: sequence>
<xs:element minOccurs="0" name="ID" type="xs: string" />
<xs:element minOccurs="0" name="Description" type="xs: string" />
<xs:element minOccurs="0" name="Type" type="xs: string" />
</xs: sequence>
</xs:complexType>
</xs:element>
<xs:element minOccurs="0" name="Parameter">
...............
</xs: sequence>
</xs:complexType>
</xs:element>
</xs: sequence>
</xs:complexType>
</xs:element>
But all the nodes contain the data which has to be imported to a single table dbo.Parameters. I cannot use Union ALL since i dont know how many iterations I will have in the file. Is there any way to do this operation in Data Flow Task using XML Source? Can anyone help me on this?
Thanks,
Dhileep
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Mar 5, 2007
I have an Analysis Services Processing Task in my SSIS package. I run the SSIS package using SQL Server job, the running of the package is a job step.
When I process manually the analysis services objects (in practise cubes) using dtexec utility I get a lot of log. In case the processing fails I get error messages that quite well describe the error. But when I run the job the only information I get in the job log is that the job step failed. I know the failure happens in the Analysis Services Processing Task.
Is there any way in SSIS to get a) the log of the Analysis Services processing or b) the error messages of the Analysis Services processing? Or should the processing be done some other way than I've been doing?
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Apr 8, 2008
Hi, I'm using the lookup task to perform updates on some records and it seems to be working correctly but isn't making all updates. I have a case where there are 543 rows in my source connection, there are 436 of them that do not match the date column of the 543 in my destination table. It only updated 224 of them when it should have updated all 436? Does anyone know why it would only update this many instead of all? I also had another that only updated 18 out of 19 instead of all 19.
thanks,
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Jul 17, 2006
This doesn't seem possible but I'll ask anyway...
Can I build a lookup task where the lookup query is based on a variable, rather than hardcoding the SQL staement?
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Aug 2, 2005
I€™m trying to make a Lookup transformation with a relation on two string columns and a between dates condition set by parameter:
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Jul 13, 2006
Hello:
I'm attempting to use the lookup task and i'm running into an issue about incompatible datatypes.
The table that i'm referencing in the lookup has a field named DateCreated, and it's DataType is DateTime.
But when I hook it up to the Lookup Task, the lookup task thinks it's a DB_Timestamp, so i get an incompatible data type error.
What can i do?
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Jan 25, 2008
Hi,
My SQL Server database is case in-sensitive.
I have a lookup task to join on varhar column. If the data is only case different such as 'DataModel' and 'Datamodle', lookup task consdiers them as different. Is there a way to set up lookup task as case insentive? I know I can work around it by converted them to upper case and compare them.
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Jun 26, 2007
Hi,
After reading this helpful blog entry:
http://blogs.msdn.com/sql_protocols/archive/2007/05/13/sql-network-interfaces-error-26-error-locating-server-instance-specified.aspx
I think this might be a good place to ask the following question.
I am writing the error handling code for my data access layer for a web application. I am using the Enterprise Library Data Access Application Block. Although this supports generic database connections, I realized that I need to handle errors specific to each database type. Microsoft SQL is the only database type I am using for now, so I am using a try...catch (SqlException e).
In testing my code, I intentionally changed the instance name in web.config to a name that does not exist. I get the very popular error 26 - Error Locating Server/Instance Specified. This is returned as a SqlException, but the SqlError.Number property is set to -1.
Am I getting "-1" because the provider hasn't actually connected to SQL yet, so it doesn't have an actual SQL error number?
Can I assume that (SqlError.Number == -1) is always a fatal, provider-level connection exception?
Will the provider ever use another SqlError.Number of its own? Or do all numbers besides -1 come from the SQL sysmessages table?.
Is there a comprehensive list of what exceptions might be raised by the SqlClient provider, including #26?
The reason for all the questions is that in a web application, I want to prevent the end-user from seeing the "real" exception if it has to do with configuration errors. However, maybe there are other errors that the user should see and handle? It's hard to know without a full list of SqlClient provider errors, along with the SqlError.Number that each error maps to.
Thanks and regards,
Mark
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Jun 21, 2006
Hello,
Can anyone explain to me (or show me where to get info) in what scenario should I use Full Cache, Partial, or No_Cache mode in the Lookup task? I got below warning message during execute my package. I understand that my lookup data have duplicate reference keys. I want to change the mode to partial or no cache to see how it works, but don't know what to change for the parameter map.
Warning: 0x802090E4 at Data Flow Task, Lookup [37]: The Lookup transformation encountered duplicate reference key values when caching reference data. The Lookup transformation found duplicate key values when caching metadata in PreExecute. This error occurs in Full Cache mode only. Either remove the duplicate key values, or change the cache mode to PARTIAL or NO_CACHE.
Any info is appreciated.
Ash
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