Junk Characters In Message Queue Task

Mar 12, 2008

I have a strange situation in an Message queue task in SSIS.
I serialize an object in a C# application and add that to an MSMQ as a string. I also ensure that I set the label to "String Message" so that my Message Queue Task can actually receive the message as a String message to variable.

I created an SSIS package that has an Message Queue listener that feeds into a Script task inside a for-each loop.
For each message that I obtain, I invoke a script task that retrieves the value of the variable and then processes this information.

When I enter the entry into the MSMQ, it goes in perfectly fine (since I also tested retrieving this entry from a C# app). However when I use the same logic on the SSIS package using the Script task, I get junk chinese characters.

Has this happened to anyone else?
Any feedback would be great!

Anup

Here is the code for the script task:
mports System
Imports System.Data
Imports System.Math
Imports Microsoft.SqlServer.Dts.Runtime

Public Class ScriptMain

Public Sub Main()
Dim statusMessage As String
statusMessage = CType(ReadVariable("ReviewerHealthXmlMessage"), String)
System.Windows.Forms.MessageBox.Show(statusMessage)
Dts.TaskResult = Dts.Results.Success

End Sub

Private Function ReadVariable(ByVal varName As String) As Object
Dim result As Object

Try
Dim vars As Variables
Dts.VariableDispenser.LockForRead(varName)
Dts.VariableDispenser.GetVariables(vars)
Try
result = vars(varName).Value
Catch ex As Exception
Throw ex
Finally
vars.Unlock()
End Try
Catch ex As Exception
Throw ex
End Try

Return result
End Function

Private Sub WriteVariable(ByVal varName As String, ByVal varValue As Object)
Try
Dim vars As Variables
Dts.VariableDispenser.LockForWrite(varName)
Dts.VariableDispenser.GetVariables(vars)
Try
vars(varName).Value = varValue
Catch ex As Exception
Throw ex
Finally
vars.Unlock()
End Try
Catch ex As Exception
Throw ex
End Try
End Sub

End Class

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Message Queue Task

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Ok, im making some progress. So what i have is a Message Queue Task which is bound to a message queue connection manager (which 'tests' ok). The Message Queue Task is set to recieve, variable from string message (declared a variable of type string) and to remove the message from the queue. The output of that task is piped into the data flow task.
The data flow task expands into a XML Source which is configured to get its input from the string i declared in the Message Queue Task and i point the schemas path to an appropriate schema. I then pipe the output of that into a SQL server destination which ive mapped all the columns from the XML message to a table (which the SQL server destination created for me).

It all looks good on paper, and builds properly with no errors etc. There is already a message in the appropriate private queue. When i go to debug it, it just sits on the Message Queue Task node (its yellow) and goes no further. No data is put into the DB. I have put a watcher on the link between the XML Source and the SQL server destination, and can see no data being piped through.
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Any ideas??

I read on MSDN that you need integration services installed. I have checked and i do, and its running. Is theres something else i need to configure?

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PackageStart,CHNBSLSQL2K3,NT AUTHORITYSYSTEM,pkgExtract,{93BE582E-EDDD-4EBD-97A4-8A2E39E839A9},{605B2ED1-D794-4455-BD9E-F32D4CFF1196},9/18/2006 8:43:40 PM,9/18/2006 8:43:40 PM,0,0x,Beginning of package execution.

OnError,,,pkgExtract,,,9/18/2006 8:43:43 PM,9/18/2006 8:43:43 PM,-1071636466,0x,Cannot open the datafile "\Chnbslsql2k3shareRawCPSExtract.dat".

PackageEnd,CHNBSLSQL2K3,NT AUTHORITYSYSTEM,pkgExtract,{93BE582E-EDDD-4EBD-97A4-8A2E39E839A9},{605B2ED1-D794-4455-BD9E-F32D4CFF1196},9/18/2006 8:43:48 PM,9/18/2006 8:43:48 PM,1,0x,End of package execution.

æ¥†æ•¬ä° æ…¯æ•¤?¤ç¥¢ä¬ 浵牡湡€ à¨?





This is a issue which i am struggling and looking on..Please help me out with some gud

solutions.



Thanks

Kumaran





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Its design script is set to:

Imports System
Imports System.Data
Imports System.Math
Imports Microsoft.SqlServer.Dts.Runtime

Public Class ScriptMain
Public Sub Main()
Dim variables As Variables
If Dts.Variables.Contains("Counter") = True Then
Dts.VariableDispenser.LockOneForRead("Counter", variables)
End If

MsgBox("You are in iteration: " & CStr(variables("Counter").Value))
Dts.TaskResult = Dts.Results.Success

End Sub
End Class

Runnig it i get the following error message:quote:
"DTS Script task has encountered an exeption in user code:
Project name:ScriptTask_e7d98dbad0de4041bcdc9079a5c2fa65
Object reference not set to an instance of an object.."
The line where the error occurs is from within the above script:
"MsgBox("You are in iteration:" " & CStr(variables("Counter").value))
Anyone understands what that means? What is "object reference" and how do i set it to an instance of an object?
Thanks

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May 2, 2008

i have developed a pakage which populates a two different tables with reference to the xml files added to a folder which is watched by a security WMI task.it is governed by a sequence container which contains three for each loop container for working on the different files.i have different event handlers set up inside for each loop container tasks which contains , data flow task, execute sql task, and moving the processed file to the desired destination.i want to set up a send mail task on the package level using event handler on error, where i have set up a task for looging the error to the error table , i have tried to collect all the error messages in a array list variable . and trying to use that variable a s a message source. i could not under stand if i set the propogation variable in the sequence container as false than will the onpost execute event will fire the onpostexecute event handler in the package level.if show how can i send only one email for all the errors of package with error looging.

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For Loop Container, Script Task: An Error Message

Apr 23, 2008

I everyone,
I'm learning SSIS from a book but the most simple example is not working.
The "For Loop task" I assigned "xyz" as name.
I added a variable onto the "variables" window and called it "counter" Its scope was set to "xyz".
Inside the "for loop" ("xyz") editor i assigned values as follows:
"initexpression"-"@counter=0"
"eval expression"-"@counter<5"
"assign expression"-"@counter=@counter+1"

I added "Script task" onto the "For each" container and into the "Script task editor" I assigned
the following values:
"ReadOnlyVariables"-"counter"
Its design script is set to:[code]
Imports System
Imports System.Data
Imports System.Math
Imports Microsoft.SqlServer.Dts.Runtime

Public Class ScriptMain
Public Sub Main()
Dim variables As Variables
If Dts.Variables.Contains("Counter") = True Then
Dts.VariableDispenser.LockOneForRead("Counter", variables)
End If

MsgBox("You are in iteration: " & CStr(variables("Counter").Value))
Dts.TaskResult = Dts.Results.Success

End Sub
End Class
[/code]
Runnig it i get the following error message:









DTS Script task has encountered an exeption in user code:
Project namecriptTask_e7d98dbad0de4041bcdc9079a5c2fa65
Object reference not set to an instance of an object..
The line where the error occurs is from within the above script:
[code]
"MsgBox("You are in iteration:" " & CStr(variables("Counter").value))[/code]
Anyone understands what that means? What is "object reference" and how do i set it to an instance of an object?
Thanks

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Mar 28, 2008



while i was trying to execute the code for Sending an "HTML Mail Message with the Script Task" given at the link below http://msdn2.microsoft.com/en-us/library/ms403365.aspx


following error was encountered.


DTS Script Task has encountered an exception in user code:
Project namecriptTask_098956444e9f4ae195c3565569c9444b
The element cannot be found in a collection. This error happens when you try to retrieve an element from a collection on a container during execution of the package and the element is not there

at Microsoft.SqlServer.Dts.Runtime.Variables.get_Item(Object index)
at ScriptTask_098956444e9f4ae195c3565569c9444b.ScriptMain.Main() in dts://Scripts/ScriptTask_098956444e9f4ae195c3565569c9444b/ScriptMain:line 29


please help me

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Send Mail Task Message Source Type Variable

Jun 13, 2007

hi



I am trying something very simple but cannot see why it is failing.



I am trying to add a filename to the message source of a mail task from a variable.



I have Variable 1 User::CurrentFilePath, Scope = ForEachLoop, Data Type = String

and Variable 2 User::mailSource, Scope = ForEachLoop, Data Type = String



Variable 2 EvaluateAsExpression is set to True and the Expression for now is simply "Processing of File " + [User::CurrentFilePath] + "has Begun"



However when i enter this i get



The expression for variable "Test2" failed evaluation. There was an error in the expression.

In the Value and Value type boxes of the variable property.



Any advice greatly received



Regards



Scott

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Sending An HTML Mail Message With The Script Task DOESNT WORK 4 ME

Oct 3, 2006

I set up the "Send Email Task" succesfully with "SMTP Connection to myExchangeSERVER" using "Windows Authentication"
However, as we all know - you can't have html format for the Send Mail Task. BUT this piece of code straight from MSDN doesnt work for me - each time it pops up this "Mail Sent Succesfully" - but I receive NO freaking EMAILs!!! Am I missing something or is it another one of those Microsoft "gotchas" ?

Imports System
Imports System.Data
Imports System.Math
Imports Microsoft.SqlServer.Dts.Runtime
Imports System.Net.Mail

Public Class ScriptMain
Public Sub Main()
Dim htmlMessageTo As String = "me.here@mydomain.com"
Dim htmlMessageFrom As String = "SSIS@mydomain.com"
Dim htmlMessageSubject As String = "SSIS Success - My Package"
Dim htmlMessageBody As String = _
Dts.Variables("User::HTMLtemplateText").Value.ToString
Dim smtpServer As String = "myExchangeSERVER"
SendMailMessage( _
htmlMessageTo, htmlMessageFrom, _
htmlMessageSubject, htmlMessageBody, _
True, smtpServer)

Dts.TaskResult = Dts.Results.Success

End Sub

Private Sub SendMailMessage( _
ByVal SendTo As String, ByVal From As String, _
ByVal Subject As String, ByVal Body As String, _
ByVal IsBodyHtml As Boolean, ByVal Server As String)

Dim htmlMessage As MailMessage
Dim mySmtpClient As SmtpClient

htmlMessage = New MailMessage( SendTo, From, Subject, Body)
htmlMessage.IsBodyHtml = IsBodyHtml

mySmtpClient = New SmtpClient(Server)
Dim myCred As New System.Net.CredentialCache()
mySmtpClient.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials
mySmtpClient.Send(htmlMessage)
MsgBox("Mail sent")
End Sub

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