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Home > Archive > BizTalk Server Orchestration > January 2005 > Constructing general xml document in orchestration
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Constructing general xml document in orchestration
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| Hi,
I am trying to build a orchestration that receives an xml document, where
one node contains antoher encoded xml document (which i know little about).
I would like to decode the node and create an xml document, which is sent
out of BizTalk.
I have built an orchestration that receives the document (and I have a
schema for it) the message is passed on to a construct message shape
containing a message assignment shape with the following code:
encoding = new System.Text.UTF8Encoding();
signedMessage = new System.Xml.XmlDocument();
encodedMessage = UUEnvelope;
signedMessage.LoadXml(encoding.GetString(System.Convert.FromBase64String(encodedMessage.LastChild.LastChild.InnerXml)));
System.Diagnostics.Debug.WriteLine("signed message
loaded!\n"+signedMessage.OuterXml);
XMLdoc = signedMessage;
System.Diagnostics.Debug.WriteLine("signed message assigend to XMLdoc");
This does not work (surprise!). When the execution reaches the message
assignment shape I get this error message:
Uncaught exception terminated service
myProject.SendDirect(c9d6b52d-42c6-9292-d710-6686eb531757), instance
10ebaf7d-50aa-42a4-96f6-15a78f1b2f12
The root element is missing.
Exception type: XmlException
Source: System.Xml
Target Site: Boolean Read()
Help Link:
Additional error information:
The message type for message XMLdoc is System.Xml.XmlDocument. The output of
the construct message is passed on to a send shape the sends the message to a
post of type file. The pipeline is
'Microsoft.BizTalk.DefaultPipelines.PassThruTransmit' so no validation as I
do not have any thing to validate against.
Can some one pls point out the error. Is it not possible to specify that
something is a xml document (and nothing further) and then route it through
BizTalk.
Best regards,
Bill
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| Ruslan Yakushev [MSFT] 2005-01-14, 8:46 pm |
| I think orchestration language does not allow this type of assingments:
XMLdoc = signedMessage; // where the signedMessage is of type XmlDocument
What you can do instead is to create a serializable .NET class with one
method that takes as an input an XLANGMessage object and then writes the
XML data into it. Something like this:
public XLANGMessage SaveXmlToXLANGMessage(XLANGMessage msg)
{
XMLDocument xmlDoc = new XmlDocument();
// Initialize your Xml document here and set its content.
XLANGPart p = msg[0];
p.LoadFrom(xmlDoc);
return msg;
}
Then invoke this method from the message assignment shape:
XMLdoc = MyClass.SaveXmlToXLANGMessage(receivedMessage);
--------------------
>Thread-Topic: Constructing general xml document in orchestration
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>From: "=?Utf-8?B?QmlsbA==?=" <Bill@discussions.microsoft.com>
>Subject: Constructing general xml document in orchestration
>Date: Fri, 14 Jan 2005 07:09:03 -0800
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>
>Hi,
>
>I am trying to build a orchestration that receives an xml document, where
>one node contains antoher encoded xml document (which i know little about).
>I would like to decode the node and create an xml document, which is sent
>out of BizTalk.
>I have built an orchestration that receives the document (and I have a
>schema for it) the message is passed on to a construct message shape
>containing a message assignment shape with the following code:
>
>encoding = new System.Text.UTF8Encoding();
>signedMessage = new System.Xml.XmlDocument();
>encodedMessage = UUEnvelope;
signedMessage.LoadXml(encoding.GetString(System.Convert.FromBase64String(enc
odedMessage.LastChild.LastChild.InnerXml)));
>System.Diagnostics.Debug.WriteLine("signed message
>loaded!\n"+signedMessage.OuterXml);
>XMLdoc = signedMessage;
>System.Diagnostics.Debug.WriteLine("signed message assigend to XMLdoc");
>
>This does not work (surprise!). When the execution reaches the message
>assignment shape I get this error message:
>
>Uncaught exception terminated service
>myProject.SendDirect(c9d6b52d-42c6-9292-d710-6686eb531757), instance
>10ebaf7d-50aa-42a4-96f6-15a78f1b2f12
>
>The root element is missing.
>
>Exception type: XmlException
>Source: System.Xml
>Target Site: Boolean Read()
>Help Link:
>Additional error information:
>
>The message type for message XMLdoc is System.Xml.XmlDocument. The output
of
>the construct message is passed on to a send shape the sends the message
to a
>post of type file. The pipeline is
>'Microsoft.BizTalk.DefaultPipelines.PassThruTransmit' so no validation as
I
>do not have any thing to validate against.
>
>Can some one pls point out the error. Is it not possible to specify that
>something is a xml document (and nothing further) and then route it
through
>BizTalk.
>
>Best regards,
>
>Bill
>
>
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