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Home > Archive > BizTalk Server Orchestration > February 2005 > NullPartException issue
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NullPartException issue
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| zabedin 2005-02-17, 2:46 am |
| Hello,
I am getting NullPartException (See Below) when I tried to extract
nodes from message that contains multiple invoices in it.
Microsoft.XLANGs.Core.NullPartException: The part 'part' of message
'Message_2' contained a null value at the end of the construct
block.
Here is the expression that I am using to extract nodes from source
message
This expression is in Message Assignment shape which itself is in loop
shape.
node =
System.String.Format("/*[local-name()='invoices']/*[local-name()='invoice'][{0}]",i);
Message_2 = xpath(Message_1, node);
i = i + 1;
When i debug the orchestration and check the source message. It
contains data but for some reason xPath() method call gets failed and
raises error. What should i look for to resolve this issue.
Thanks
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| oleg_kleyman 2005-02-21, 5:52 pm |
| Are you sure you didn't miss leading '*' in your xpath() to look like
*/*[local-name()='invoices']/*[local-name()='invoice'][1]
"zabedin" wrote:
> Hello,
> I am getting NullPartException (See Below) when I tried to extract
> nodes from message that contains multiple invoices in it.
>
> Microsoft.XLANGs.Core.NullPartException: The part 'part' of message
> 'Message_2' contained a null value at the end of the construct
> block.
>
> Here is the expression that I am using to extract nodes from source
> message
> This expression is in Message Assignment shape which itself is in loop
> shape.
>
> node =
> System.String.Format("/*[local-name()='invoices']/*[local-name()='invoice'][{0}]",i);
> Message_2 = xpath(Message_1, node);
> i = i + 1;
>
> When i debug the orchestration and check the source message. It
> contains data but for some reason xPath() method call gets failed and
> raises error. What should i look for to resolve this issue.
>
> Thanks
>
>
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