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Query regarding multiple OVS in an application


I have to provide OVS search on two columns (Material and Equipment) in a table. So for the same I have defined the OVS implementation in two separate custom controllers as both the search fields refer to different RFC models.

For the first search, the

queryInputNodeElement.setAttributeValue("Maktx", initialValue) 

and for the second one

queryInputNodeElement1.setAttributeValue("Im_Equnr", initialValue)

Now the problem I am facing is on clicking the OVS icon for the second search it throws the exception that it cannot find Maktx which is the initial value for the first OVS in the OVS input node of the second one.

Also, if I proceed with the query part, it throws another exception as the input node of the equipment custom controller (second) is incompatible with material custom controller (first).

But for the first OVS everything works fine.

I have defined the context listener class with different names.

Any pointers?



Former Member
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