Passing variables inside a url to call a query

Hello,
I have created a BSP-application with a restful webservice to transform a BW-query (BI7) into a XML-File for further development with XCelsius.
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.highlightedcontent?documenturi=%2fwiki%2fsdn_wiki%2fwiki%2fdisplay%2fbi%2fexpose%2bbi%2bquery%2bas%2brestful%2bservice
The service works fine when I use a query that doesn't need any variables.
Unfortunately, there is a problem when I try to pass some mandatory variables.
Here is a sample-url I use to call the restful webservice.
http://<BW-System>:<Port>/sap/bc/bsp/sap/z_xmlexport1/data.xml?infocube=<my_infocube>&query=<my_query>&VAR_NAME_1=<variable name>&VAR_VALUE_EXT_1=<variable_value>
But I get this error message on my browser:
<ERRORMESSAGE>invalid_input</ERRORMESSAGE>
When debugging the code, I can see that all parameters for the FM 'RRW3_GET_QUERY_VIEW_DATA' are there and filled properly. But still the exception "invalid_input" is raised.
Any help on calling queries with mandatory variables?
Thanks!

Hello,
0COMP_CODE is an infoobject, how can you directly use an infoobject for selection. I mean am not aware of link passed to Xcelsius but what i feel is you need to first create a variable for 0COMP_CODE by opening your query in query designer. and for VAR_NAME_1 use this variable name.
You can check the definition of the variable by opening your query in query designer and under 0COMP_CODE expand the list, select your variable and on right side it shows the property. In one of the tab it will show whether its ready for input or not. (its a check box option)
Regards,
Shashank
Edited by: Shashank Dighe on May 20, 2009 1:50 PM

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Message was edited by: Hiroto (fixed the last link, but it still may not work...)

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