Data Flow Errors
Jul 21, 2006
I have a package that archives some old data. It ran fine last month, but today it's failing with the following error messages:
DTS_E_BUFFERGETTEMPFILENAME
The buffer manager could not get a temporary file name. The call to GetTempFileName failed.
DTS_E_UNUSABLETEMPORARYPATH
The buffer manager could not create a temporary file on the path "__". The path will not be considered for temporary storage again.
DTS_E_CANTCREATEBLOBFILE
The buffer manager cannot create a file to spool a long object on the directories named in the BLOBTempStoragePath property. Either an incorrect file name was provided, or there are no permissions.
Any ideas on how to fix this?
Thanks!!!
MarkA
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Apr 16, 2007
Ok, I'm incredibly new to all of this so please bear with me. I took the Integration Services tutorial, and that's pretty much all that I have done.
I'm creating my first package and I want to be able to email myself when certain non-fatal conditions occur. I still want the entire row to flow into my table.
My understanding is that this type of checking should be done in the "Data Flow" tab not the "Control Flow" tab. However, I can't see a toolbox item in "Data Flow" to create a SQL script like this. I can see that the "Lookup" toolbox item will allow me to write a SQL script but how do I get it to send out the email? Or should I really be doing this type of checking in "Control Flow" where there is an "Send email task" item?
Any help is greatly appreciated! Thanks!
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Feb 15, 2008
I'm having problems designing a package to attempt to execute a fast load data transfer but failback to regular speed with error redirection in the event of an error.
The way I designed this was to add one data flow task to my package called "DFT FASTLOAD". The data flow copies a table SRC to another table DEST in the same SQL Server database. In the error handler for the data flow task I copied the original data flow task and changed the name to "DFT REGULARLOAD with Error redirection". In this data flow task I did not use fast load and addtionally redirected errors to a text file.
In the Data Flow Task "DFT FASTLOAD". I am copying from a varchar source field(with non-date strings) to a datetime destination field to force errors. However the Data Flow Task "DFT REGULARLOAD with Error redirection" never seems to start transferring data from source to destination. The data Flow Task "DFT REGULARLOAD with Error redirection" turns yellow (after the error occurs in "DFT FASTLOAD"), but no data is being transferred). It seems like it hangs.
Do I need to increase the MaximumError Count or something? The data flow task "DFT FASTLOAD" does not turn red when the error occurs it just remains yellow, so i assume I'm on the right track since it seems the error is caught.
I have added screenshots ... hopefully these screenshots will clarify my problem.
DESIGN:
http://i256.photobucket.com/albums/hh179/abzbank/DESIGN_FASTLOAD1.jpg
http://i256.photobucket.com/albums/hh179/abzbank/DESIGN_FASTLOAD2.jpg
http://i256.photobucket.com/albums/hh179/abzbank/DESIGN_FASTLOAD3.jpg
http://i256.photobucket.com/albums/hh179/abzbank/DESIGN_FASTLOAD4.jpg
http://i256.photobucket.com/albums/hh179/abzbank/DESIGN_FASTLOAD5.jpg
http://i256.photobucket.com/albums/hh179/abzbank/DESIGN_FASTLOAD6.jpg
RUNTIME:
http://i256.photobucket.com/albums/hh179/abzbank/RUN_FASTLOAD7.jpg
http://i256.photobucket.com/albums/hh179/abzbank/RUN_FASTLOAD8.jpg
http://i256.photobucket.com/albums/hh179/abzbank/RUN_FASTLOAD9.jpg
http://i256.photobucket.com/albums/hh179/abzbank/RUN_FASTLOAD10.jpg
http://i256.photobucket.com/albums/hh179/abzbank/RUN_FASTLOAD11.jpg
I can provide more details if needed... but really this is just a basic test.
Any assistance would be appreciated!
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Feb 15, 2007
Hi,
I'm having trouble with a Script Component in a data flow task. I have code that does a SqlCommand.ExecuteReader() call that throws an 'Object reference not set to an instance of an object' error. Thing is, the SqlCommand.ExecuteReader() call is already inside a Try..Catch block. Essentially I have two questions regarding this error:
a) Why doesn't my Catch block catch the exception?
b) I've made sure that my SqlCommand object and the SqlConnection property that it uses are properly instantiated, and the query is correct. Any ideas on why it is throwing that exception?
Hope someone could help.
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Aug 29, 2007
Hello,
Is it possible to use existing data flow components (Merge Join, aggregation,...) in a custom data flow component?
Thanks,
Yoann
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Mar 1, 2007
SSIS GURUS:
I have read several posting about various modes of trapping errors, but none seem to directly address what I am looking for (SQLIS.com.MSDN, etc)
Coming from a Java/C# background, I am looking for a way to trap errors that arise within the ssis control flow much like the said languges:
try {
do something
} catch(AnExceptionType myException) {
handle my exception
}
/ ** my code at this point is unperterbed by the exception unless I explicitly raise the exception out of the scope of the exception handler. */
To make the analogy in SSIS, I want to be able to handle an error within a "container" and not have to handle the same error in surrounding containers.
Example:
I have a "Foreach" container (call it container FEC) that contains several other containers. One of the subordinate containers is a "For Loop" (call it FLC). The FLC in turn has some nested tasks, some of which are expected to fail and therefore I want to handle in a graceful manner. The tasks that are expected to fail have a "fail" constraint that links them to a task that I want to occur when the failure occurs, and that works, but the failure is not trapped as it percolates out of the container to the FEC. I also tried to trap it with event handler, but that is also an incorrrect trail to follow.
I don't want the failure to percolate up to the FEC. I have set the max errors to a reasonable value for FLC and my "program" is not exceeding that value; however, the FEC still sees that error so it fails. How do I keep FEC from seeing the error (without upping the max errors for the FEC)?
BTW, I am using the script task to set a variable value to indicate successes or fails for those tasks where I can set the max errors to a high enough level (allow the error to occur, then let the fail/success precedent constraint pass control to the script task so that the variable can be set). This is only a partial solution.
I am new to SSIS, in fact to the MS world having been a code slinger for Java and Oracle. So far I have been very impressed with SSIS. Analogous structures that I expect to find in modern development environments have been within easy reach. This is my first serious challenge. Please help.
SCott
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Feb 14, 2006
Hi, All,
I need to pass a parameter from control flow to data flow. The data flow will use this parameter to get data from a Oracle source.
I have an Execute SQL task in control flow to assign value to the Parameter, next step is a data flow which will need take a parameter in the SQL statement to query the Oracle source,
The SQL Looks like this:
select * from ccst_acctsys_account
where to_char(LAST_MODIFIED_DATE, 'YYYYMMDD') >?
THe problem is the OLE DB source Edit doesn€™t have anything for mapping parameter.
Thanks in Advance
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Mar 9, 2007
I have an Execute SQL Task that returns a Full Rowset from a SQL Server table and assigns it to a variable objRecs. I connect that to a foreach container with an ADO enumerator using objRecs variable and Rows in first table mode. I defined variables and mapped them to the columns.
I tested this by placing a Script task inside the foreach container and displaying the variables in a messagebox.
Now, for each row, I want to write a record to an MS Access table and then update a column back in the original SQL Server table where I retreived data in the Execute SQL task (i have the primary key). If I drop a Data Flow Task inside my foreach container, how do I pass the variables as input to an OLE DB Destination on the Data Flow?
Also, how would I update the original source table where source.id = objRects.id?
Thank you for your assistance. I have spent the day trying to figure this out (and thought it would be simple), but I am just not getting SSIS. Sorry if this has been covered.
Thanks,
Steve
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Jan 17, 2008
Dear All!
My package has a Data Flow Task. In Data Flow Task, I use a Script Component and a OLE BD Destination to transform data from txt file to database.
Within Data Flow Task, I want to call File System Task to move file to a folder or any Task of "Control Flow" Tab. So, Does SSIS support this task? Please show me if any
Thanks
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May 17, 2007
Hi everyone,
Primary platform is 64 bit cluster.
How to move information allocated in SSIS variables from Data Flow to Control Flow layers??
We've got a SSIS package which load a value into a variable inside a Data Flow. Going back to Control Flow how could we retrive that value again????
Thanks in advance and regards,
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Jan 12, 2006
I'm currently setting variables at the package level with an ExecuteSQL task. This works fine. However, I'm now starting to think about restartability midway through a package. It would be nice to have the variable(s) needed in a data flow set within the data flow so that I only have to restart that task.
Is there a way to do that using an SQL statement as the source of the value in a data flow?
OR, when using checkpoints will it save variable settings so that they are available when the package is restarted? This would make my issue a moot point.
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Jul 22, 2007
Hi all! I recently started working with SSIS and one of the things that is puzzling me the most is what's the best way to go:
A small control flow, with large data flow tasks
A control flow with more, but smaller, data flow tasksAny help will be greatly appreciated.
Thanks,
Ricardo
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Dec 28, 2007
Hi,
I'm trying to implement an incremental data pull (Oracle to SQL) based on Andy's blog:
http://sqlblog.com/blogs/andy_leonard/archive/2007/07/09/ssis-design-pattern-incremental-loads.aspx
My development machine is decent: 1.86 GHz, Intel core 2 CPU, 3 GB of RAM.
However it seems the data flow task gets hung whenever I test the package against the ~6 million row source, as can be seen from these screenshots. I have no memory limitations on the lookup transformation. After the rows have been cached nothing happens. Memory for the dtsdebug process hovers around 1.8 GB and it uses 1-6 percent of CPU resources continuously. I am not using fast load to insert new records into my sql target table. (I am right clicking Sequence Container 3 and executing this container NOT the entire package in the screenshots)
http://i248.photobucket.com/albums/gg168/boston_sql92/1.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/2.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/3.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/4.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/5.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/6.jpg
The same package works fine against a similar test table with 150k rows.
http://i248.photobucket.com/albums/gg168/boston_sql92/7.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/8.jpg
The weird thing is it only takes 24 minutes for a full refresh of the entire source table from Oracle to the SQL target table.
Any hints,advice would be appreciated.
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Nov 24, 2006
Hi, all here,
Thank you very much for your kind attention.
I am wondering if it is possible to use SSIS to sample data set to training set and test set directly to my data mining models without saving them somewhere as occupying too much space? Really need guidance for that.
Thank you very much in advance for any help.
With best regards,
Yours sincerely,
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Mar 20, 2007
Good morning, all,
I am working on importing an Excel workbook, saved as multiple CSV flat files, that has both group level data and related detail row on the same sheet. I have been able to import the group data into a table. As part of the Data Flow task, I want to be able to save the key value for the group, which I will use when I insert the detail rows.
My Data Flow has the following components: The flat file with the data, which goes to a derived column transformation to strip out extraneous dashes, which leads to the OLEDB Destination component.
I want to save the value as a package level variable, so that I can reference it in another dataflow.
Is this possible, and if so, at what point do I save the value?
Thanks,
Kathryn
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Jun 13, 2006
Hi everyone,
I have to extract, dayly a list of contacts on a exchange server in a table on our EDW on sql server 2005. Is it possible to get the information directly from a dataflow or i will have to developpe a script task ?
Need help desperatly !!!
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Jun 19, 2007
Hello,
I have noticed that for one of my data-flows, the process is really long during the phase "the final commit data insertion has started".
To be accurate, the process is fast until it reaches this phase. It happens often when I load millions of lines.
The extraction is done from a database SQL Server 2005 to a database SQL Server 2005, on the same server (with the SQL Server native provider).
I used a SQL Server destination but I have tried with an OLE DB destination and it is the same situation.
Why the process could be so long during this phase?
There is a way to optimised my package to avoid that?
Any idea is welcome.
Thanks.
Guillaume
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Mar 28, 2008
Hi All,
I want to export data from SQL Server2005 to an Excel spreadsheet thru "Data Flow Task". I am using OLE DB for SQL Server for the source connection and a Connection To Excel as my destination source. The Excel spreadsheet (2003) exists and has the first row with column names. I don't have any warnings before trying to execute.
The SQL datable fileds are
i) ID - Int
ii) RefID
iii) txtRemarks - nvarchar(MAX)
iv) ddlWaterLevel - nvarchar(50)
While executing the tasks, I got the error
Error: 0xC0202025 at Data Flow Task, Excel Destination [427]: Cannot create an OLE DB accessor. Verify that the column metadata is valid.
Error: 0xC004701A at Data Flow Task, DTS.Pipeline: component "Excel Destination" (427) failed the pre-execute phase and returned error code 0xC0202025.
After analysing I found in the DataFlow --> Excel destination --> Advanced Editor for Excel Destination, the default data type for txtRemarks shows as "Unicode string [DT_WSTR]". But this is supposed to be "Unicode text stream [DT_NTEXT]". Even if I change the data type in the design time, It doesn't accept.
Please do help me out.
thanks
Sanra
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Apr 3, 2014
I need to see inside a SSIS 2012 project a new SSIS installed component, but in the SSDT 2010 I cannot see the SSIS Data Flow Items tab for adding data source/data destination respect to the choose toolbox items pane.
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Feb 28, 2008
Hi, all experts here,
Do we always have to use SCD component for the loading of data into data warehouse to handle changes of rows?
I am looking forward to hearing from you and thank you very much in advance for your help.
With best regards,
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Jan 29, 2008
I need to call a stored procedure to insert data into a table in SQL Server from SSIS data flow task.
I am currently trying to use OLe Db Destination, but I am not sure how to map inputs to OLE DB Destination to my stored procedure insert.
Thanks
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May 12, 2006
I am getting the following error running a data flow that splits the input data into multiple streams and writes the results of each stream to the same destination table:
"This operation conflicts with another pending operation on this transaction. The operation failed."
The flow starts with a single source table with one row per student and multiple scores for that student. It does a few lookups and then splits the stream (using Multicast) in several layers, ultimately generating 25 destinations (one for each score to be recorded), all going to the same table (like a fact table). This all is running under a transaction at the package level, which is distributed to a separate machine.
Apparently, I cannot have all of these streams inserting data into the same table at one time. I don't understand why not. In an OLTP system, many transactions are inserting records into the same table at once. Why can't I do that within the same transaction?
I suppose I can use a UnionAll to join them back together before writing to a single destination, but that seems like an unnecessary waste and clutters the flow. Can anyone offer a different solution or a reason why this fails in the first place?
Thanks in advance.
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Jan 5, 2006
I need to know what a table's max row Identity is part way thru a data flow. I can't get it at the beginning of the data flow. I need to either (1) add it to the data buffer part way thru or (2) set it into a package variable and then reference the var in a script component.
I've not found a way to add a database column to the data buffer without doing a lookup for each row (too slow and not appropriate here) or some goofy oledb source and then merge join into the data buffer on a contrived join.
I've read questions about referencing package vars in scripts but I can't get that to work. DTS.Variables("varname").Value isn't recognised when I code it up.
Anyone have an idea or solution for either one of these? If you're gonna explain the script code, please include the entire snipet including the INCLUDEs, etc.
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Jan 11, 2006
I am new to SSIS programming, so bear with me if my question seems naive to you gurus. I have a situation that needs to set the data source for a data flow from external .NET application ('external' means that the application will run on different process than the SSIS). I am trying to set the data source on which the data flow works from my C# application in a DataSet format. Ideal solution is not to save the DataSet to any file on harddisk (I know that will work, but has the overhead of writing, reading and managing the temp file). What I want to achive is that the business logic of picking data for SSIS Data Flow to process is controlled inside my C# application, the Data Flow just does what it does best - Transformation. Have any of you successfully done this before?. Thanks!
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Oct 3, 2007
I have a fairly simple data flow task that loads data from one table (OLE DB Source) into another table (OLE DB Destination). The data type for one of the pairs of columns is nVarChar(120) and it contains version information that looks like a decimal. When I run the export, the destination has a trailing zero added after the decimal point as if it were a numeric column which invalidates our comparisons (string 1.0 is not the same as string 1.00). There is no cast or convert done to this column, it is a straight copy. Any ideas what could be causing this or how to fix?
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Sep 28, 2006
Hi,
I'm just wondering what's the best approach in Data Flow to convert the following input file format:
Date, Code1, Value1, Code2, Value2
1-Jan-2006, abc1, 20.00, xyz3, 35.00
2-Jan-2006, abc1, 30.00, xyz5, 6.30
into the following output format (to be loaded into a SQL DB):
Date, Code, Value
1-Jan-2006, abc1, 20.00
1-Jan-2006, xyz3, 35.00
2-Jan-2006, abc1, 30.00
2-Jan-2006, xyz5, 6.30
I'm quite new to SSIS, so, I would appreciate detailed steps if possible. Thanks.
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Mar 1, 2006
Hi,
Does anyone know if it is possible to point data that underwent the "merge join" transformation (in one data flow) to the following data flow? I don't want to recreate all that merging, sorting and calling the same sources again in the following data flow if the data that I am using exists in the previous data flow. The merged data is simply too big to export to an excel file, so does anyone have any ideas? Thanks!
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Jul 26, 2007
I have a data flow task which has around 5 data flows (like the 2nd diagram shown here). These 5 simple flows with just a row count transformation in between. Now, I want to fail the entire task immediately even if one of the data flows failed. Right now if one flow fails the remaining flows fails after a long time, not immediately. How can I make it fails immediately.
The other I would like to do is Can I place these 5 data flows in a transaction, so that if one data flow fails, others data flows also roll backs? ( I assume its not possible)
Thanks
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Jul 18, 2006
hi all,
i have a package in ssis that needs to deliver data from outside servers with odbc connection. i have desined the package with dataflow object that includes inside a datareader source. the data reader source connect via ado.net odbc connection to the ouside servers and makes a query like: select * from x where y=? and then i pass the data to my sql server. my question is like the following:
how do i config the datasource reader or the dataflow so it will recognize an input value to my above query? i.e for example:
select * from x where y=5 (5 is a global variable that i have inside the package). i did not see anywhere where can i do it.
please help,
tomer
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Jul 16, 2007
Hi Guys,
I have yet another question. How can i pass data b/w 2 data flow tasks? I'm trying to get some data from one sql server and then I want to pass this whole bunch of data to another data flow task which is going to get some data from second sql server. I would probably combine them using union all and then save that as a transaction in a third sql server?
Information regarding how to pass the data with some detailed discussion would be fine with me.
thanks
Gemma
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Mar 1, 2007
I can only assume that I either did something very stupid, the examples are completely wrong, or I don't have the slightest clue what it is that I'm doing.
I'm trying to do one of those incredibly complicated things in SSIS that was a brain-dead, point click operation in DTS. I want to strip characters out of an input stream from a flat file source before loading them into a table. I've defined my data flow task. I have my flat file source properly defined. I have my SQL Server destination properly defined. For the life of me, I can't figure out how to scrub the data that I want.
My input is a csv file that has 22 columns of data. Column 22 contains data and if data was not present, there is a - inserted. So, I want to strip any - from the input before it goes into the column. So, I grabbed a derived column task and drug it out on the surface of the designer. I then set the derived column name to Column 22, the derived column to 'Replace Column 22', and tried the following in the expression section:
REPLACE(Column 22, "-", "" )
REPLACE( (DT_WSTR, 50) Column 22, "-", "" )
Both of these threw some really nasty error messages when I clicked the OK button. The really irritating part is that I exactly followed the examples in BOL.REPLACE(Product, "Bike","")REPLACE((DT_WSTR,8)DaysToManufacture,"6","5") I know I'm not dreaming this, but it absolutely refuses to accept my expression.
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Feb 1, 2007
Hi,
Can I transfer data between two dataflow.
Is it possible through anyway?
Thanks
Dharmbir
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Oct 2, 2006
Okay, this should be really simple but I don't get it. How do I use an ODBC data source in an SSIS data flow task? When I look at Data Flow Sources I see the following options:
Pointer
DataReader Source
Excel Source
Flat File Source
OLE DB Source
Raw File Source
XML Source
Which one do I use if I need to get the data from a connection manager that is ODBC based? The IBM OLEDB driver for the AS400 doesn't work correctly so I HAVE to use an ODBC driver to connect to an AS400 data source.
Thanks in advance for any info.
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