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SAP PI 7.5 REST sender with no payload

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Hello all.

Trying to use PI REST sender adapter to allow calling the PI ICO with URL and parameters only.

So e.g.: http://<server name>:50000/RESTAdapter/<endpoint>?param1=abc¶m2=123

That should generate the following patyload:

<?xml version="1.0" encoding="UTF-8"?>

<ns0:MT_NAME ns0:namespace>




But as no payload is being passed the following error is returned:

Returning to application. Exception: Unable to parse XML message payload to extract operation for receiver determination

org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Premature end of file.

any help is appreciated.

I have tried PutPayloadValueBean but as the payload is empty it fails as well.

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Managed to use MessageTransformBean in order to ignore the empty payload.
So not a very elegant solution but it works.

Leaving the question open if anyone has something better to offer and will upload a short summery of what I did later.

Active Contributor
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How did you use MessageTransformBean for this?

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Hello, I am facing the same issue, can you please explain how did you use the MessageTransformBean? Thanks!

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reference for others, if you want to send only the URL with parameters without payload to rest the sender adapter. Go to sender Rest updater -- > Rest Operation Tab --> Select Value Source as "HTTP Operation". You don't need any modules or anything.

and have a dummy message mapping and use ASMA to extract the parameter values from the Dynamic attributes section.