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WSDL namespace prefix gets modified at page refresh

Hello Experts,

I have found a weird behaviour of SAP PI that I don't understand why it is happening. I'm working on SAP PI 7.4 system and when I refresh the WSDL definition page, the namespace prefix gets changed.

For example, I have generated a service interface with RFC based request and response messages.

Once all the interface is configured (using ICO), I generate the WSDL from Integration Directory. If I open the generated URL in my browser, I can see that the namespace prefix is "ns0":

However, If I refresh the page, the namespace prefix get changed to "rfc":

And If I refresh the page again, it gets changed back to ns0. The namespace prefix keeps oscillating between “rfc” and “ns0” at every page refresh.

Does anybody know why it is this happening?


namespace0.png (26.2 kB)
namespace1.png (41.0 kB)
namespace2.png (43.2 kB)
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2 Answers

  • Best Answer
    Posted on Oct 20, 2015 at 11:45 AM

    Hi Roger,

    That is a really weird circumstance, but you should think that is indifferent the rfc or ns0 prefix, the important is the namespace that is pointed and according with this the rest of the structures have the correct prefix , if not this would a real problem. May be for this sometimes set one or another prefix.


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  • author's profile photo Former Member
    Former Member
    Posted on Oct 20, 2015 at 12:19 PM


    this is ok like this - the prefix is only a shorthand for the complete namespace uri - so it can be anything without changing meaning of the wsdl


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