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Author Topic: manually creating a SOAP response  (Read 1508 times)
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« on: May 16, 2012, 12:23:54 PM »

I have been building upon the SOAP web server example and am in a situation where I need to build the SOAP response myself rather than using xFIles and data from a queue, which works quite well by the way. In the example application after populating the queue a call is made to:


Which seems to populate the reference field xml.xmlData and xml.xmlDatalen

Armed with that little bit of information I used this code to try and put my SOAP response in play:

   xml.xmlData    &= myXmlString[1: LEN(Clip(myXmlString))]
   xml.xmlDataLen = LEN(Clip(myXmlString))

I can see that xml.xmlData does reference my content but after this next line of code is executed I get a Memory Block Free’d Twice error.


Can anyone help me to get around this hurdle?


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« Reply #1 on: May 16, 2012, 09:10:32 PM »

Hi Parker,

If you don't want to use the xFiles string, then don't use it. You have a couple simple options;

str   string(16000)

  str = whatever

This is fine if you're pretty sure the string will be less than the size you declared. (you can make the declaration bigger if you like).

Indeed in your code;

If you must have a dynamic length string then perhaps use StringTheory;

str   StringTheory

The reason it gives the error BTW is because you've not cleared xml.xmlData after using it. ie

  xml.xmlData &= NULL

after the ParseHTML will probably do the trick.


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« Reply #2 on: May 17, 2012, 03:56:06 AM »

Hey Bruce,

I like xFiles just fine, in fact it is used for 90% of the SOAP responses in this particular application. The one odd-ball is a complicated (for me anyway) nested structure that I needed to return but I don't have enough grey cells to make it work with xFiles.

This statement on its own still causes the Memory Block Free'd Twice error:


but putting the xml.xmlData &= NULL after the ParseHtml works just fine.

Thanks for the help and ideas, much appreciated as always.


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