Deadlock Issue During Data Flow Task-Execution

Feb 20, 2007

Hi,  folks!

I got a serious problem with an SSIS-Import. My packages import from a foreign source into a kind of temp-table (actually it's not a temporary table, itīs just filled with data and truncated after completion of the package), do some transformations and then I got a data flow task that simply copies all the rows from the "temp" to the final table. I get the following errors (here there are two simultanious copy operations from two different "temps" into the same final table.

Error: 0xC0202009 at _temp to finaltable 5 2 1, OLE DB Destination [16]: An OLE DB error has occurred. Error code: 0x80004005.

An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Transaction (Process ID 68) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.".

Error: 0xC0209029 at _temp to finaltable 5 2 1, OLE DB Destination [16]: The "input "OLE DB Destination Input" (29)" failed because error code 0xC020907B occurred, and the error row disposition on "input "OLE DB Destination Input" (29)" specifies failure on error. An error occurred on the specified object of the specified component.

Error: 0xC0047022 at _temp to finaltable 5 2 1, DTS.Pipeline: The ProcessInput method on component "OLE DB Destination" (16) failed with error code 0xC0209029. The identified component returned an error from the ProcessInput method. The error is specific to the component, but the error is fatal and will cause the Data Flow task to stop running.

Error: 0xC0047021 at _temp to finaltable 5 2 1, DTS.Pipeline: Thread "WorkThread0" has exited with error code 0xC0209029.

Error: 0xC02020C4 at _temp to finaltable 5 2 1, OLE DB Source [1]: The attempt to add a row to the Data Flow task buffer failed with error code 0xC0047020.

Error: 0xC0047038 at _temp to finaltable 5 2 1, DTS.Pipeline: The PrimeOutput method on component "OLE DB Source" (1) returned error code 0xC02020C4. 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.

Error: 0xC0047021 at _temp to finaltable 5 2 1, DTS.Pipeline: Thread "SourceThread0" has exited with error code 0xC0047038.

Information: 0x40043008 at _temp to finaltable 5 2 1, DTS.Pipeline: Post Execute phase is beginning.

Information: 0x402090DF at _temp to finaltable 5 2 1, OLE DB Destination [16]: The final commit for the data insertion has started.

Information: 0x402090E0 at _temp to finaltable 5 2 1, OLE DB Destination [16]: The final commit for the data insertion has ended.

Information: 0x40043009 at _temp to finaltable 5 2 1, DTS.Pipeline: Cleanup phase is beginning.

Information: 0x4004300B at _temp to finaltable 5 2 1, DTS.Pipeline: "component "OLE DB Destination" (16)" wrote 5041 rows.

Task failed: _temp to finaltable 5 2 1

Warning: 0x80019002 at KDStat_alles_412: The Execution method succeeded, but the number of errors raised (7) 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.

Task failed: 412

Warning: 0x80019002 at kdstat_alles_master: The Execution method succeeded, but the number of errors raised (7) 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.

Error: 0xC0202009 at _temp to finaltable 1 2 1, OLE DB Destination [4468]: An OLE DB error has occurred. Error code: 0x80004005.

An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Transaction (Process ID 82) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.".

Error: 0xC0209029 at _temp to finaltable 1 2 1, OLE DB Destination [4468]: The "input "OLE DB Destination Input" (4481)" failed because error code 0xC020907B occurred, and the error row disposition on "input "OLE DB Destination Input" (4481)" specifies failure on error. An error occurred on the specified object of the specified component.

Error: 0xC0047022 at _temp to finaltable 1 2 1, DTS.Pipeline: The ProcessInput method on component "OLE DB Destination" (4468) failed with error code 0xC0209029. The identified component returned an error from the ProcessInput method. The error is specific to the component, but the error is fatal and will cause the Data Flow task to stop running.

Error: 0xC0047021 at _temp to finaltable 1 2 1, DTS.Pipeline: Thread "WorkThread0" has exited with error code 0xC0209029.

Error: 0xC02020C4 at _temp to finaltable 1 2 1, OLE DB Source [1]: The attempt to add a row to the Data Flow task buffer failed with error code 0xC0047020.

Error: 0xC0047038 at _temp to finaltable 1 2 1, DTS.Pipeline: The PrimeOutput method on component "OLE DB Source" (1) returned error code 0xC02020C4. 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.

Error: 0xC0047021 at _temp to finaltable 1 2 1, DTS.Pipeline: Thread "SourceThread0" has exited with error code 0xC0047038.

Well, it looks like those two processes simply deadlock each other. But there are 11 Simultanious Data Imports which all go fine. The Issue only occurs at those two. The structure of the packages is exactly the same everywhere.

Is it possible that a previous update-sql query hasenīt committed properly and locks the datasets?

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http://i248.photobucket.com/albums/gg168/boston_sql92/2.jpg
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-- The teacher table contains contains all the tasks created a every teacher
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go
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2007 101 suraj 1122
2007 102 bharat 2222

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create table students
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sid varchar(10),
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taskid varchar(10)
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insert into students values(2007,'stud3',102,'task3')

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insert into students values(2007,'stud4',103,'task5')
insert into students values(2007,'stud4',103,'task6')

insert into students values(2007,'stud5',103,'task4')

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yr sid tid taskid
----------------------------
2007 stud1 101 task1
2007 stud1 101 task2

2007 stud2 101 task1
2007 stud2 101 task2

2007 stud3 102 task3
2007 stud4 103 task4
2007 stud4 103 task5
2007 stud4 103 task6
2007 stud5 103 task4


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use targetdb
go
drop table trg
go

create table trg
(
yr int, -- data should load from teacher.yr
tid int,
taskid int(20),
cnt int

)

Mapping in target column and value to be loaded
==================================================
yr -- teacher.yr
tid -- teacher.id
taskid -- this need to start a new sequence of numbers starting from 1 for each teacher and dont want the task id to be copied as it is.
cntofstudents -- need to count no of students from "students" table for a given teacher and for his assignment

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again for the same teacher "101" and taskid "task2" there are 2 students


For teacher "102" and taskid "task3" there is only 1 student

Similary for teacher "103"


Relation
========

Teacher table | Students Table
yr | yr
tid | tid


After i run the ETL the data should look as follows :

insert into trg values(2007,101,1,2)
insert into trg values(2007,101,2,2)

insert into trg values(2007,102,1,1)

insert into trg values(2007,103,1,2) -- task4 is created by teacher "103" and assigned to 2 students stud4 and stud5
insert into trg values(2007,103,2,1) -- task5 is created by teacher "103" and assigned to 1 student i.e stud4
insert into trg values(2007,103,3,1) -- task6 is created by teacher "103" and assigned to 1 student i.e stud5

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SSIS package "SAZSIE_CargaVentasSeguros (1).dtsx" starting.

Information: 0x4004300A at Extrae SAZ_GranoO_New, DTS.Pipeline: Validation phase is beginning.

Information: 0x4004300A at Extrae SAZ_GranoO_New, DTS.Pipeline: Validation phase is beginning.

Information: 0x40043006 at Extrae SAZ_GranoO_New, DTS.Pipeline: Prepare for Execute phase is beginning.

Information: 0x40043007 at Extrae SAZ_GranoO_New, DTS.Pipeline: Pre-Execute phase is beginning.

Information: 0x4004300C at Extrae SAZ_GranoO_New, DTS.Pipeline: Execute phase is beginning.

Error: 0xC0047062 at Extrae SAZ_GranoO_New, SAZ_GranoONew [421]: System.NullReferenceException: Object reference not set to an instance of an object.

at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.PrimeOutput(Int32 outputs, Int32[] outputIDs, PipelineBuffer[] buffers)

at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostPrimeOutput(IDTSManagedComponentWrapper90 wrapper, Int32 outputs, Int32[] outputIDs, IDTSBuffer90[] buffers, IntPtr ppBufferWirePacket)

Error: 0xC0047038 at Extrae SAZ_GranoO_New, DTS.Pipeline: The PrimeOutput method on component "SAZ_GranoONew" (421) returned error code 0x80004003. 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.

Error: 0xC0047021 at Extrae SAZ_GranoO_New, DTS.Pipeline: Thread "SourceThread0" has exited with error code 0xC0047038.

Information: 0x402090DF at Extrae SAZ_GranoO_New, OLE DB Destination [1022]: The final commit for the data insertion has started.

Information: 0x402090E0 at Extrae SAZ_GranoO_New, OLE DB Destination [1022]: The final commit for the data insertion has ended.

Information: 0x40043008 at Extrae SAZ_GranoO_New, DTS.Pipeline: Post Execute phase is beginning.

Information: 0x40043009 at Extrae SAZ_GranoO_New, DTS.Pipeline: Cleanup phase is beginning.

Information: 0x4004300B at Extrae SAZ_GranoO_New, DTS.Pipeline: "component "OLE DB Destination" (1022)" wrote 19522 rows.

Task failed: Extrae SAZ_GranoO_New

Warning: 0x80019002 at SAZSIE_CargaVentasSeguros: The Execution method succeeded, but the number of errors raised (3) 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.

SSIS package "SAZSIE_CargaVentasSeguros (1).dtsx" finished: Failure.

 

THE DATA HAS BEEN COPIED INTO MY DESTINATION TABLE, BUT THE PACKAGE ENDS IN AN ERROR, WHAT IS THE PROBLEM WITH THIS???

PLASE SOMEONE !!!!

THANKS!!!!!!!

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