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Hi Community,
I am new to expressor, And try to connect three operators with each other. as illustrated in attached image files.
the connection two the 3rd generating error message as
SampleDataflow1:
Read File 1:
Error: The Attribute "field1" is required by another operator downstream of this location, but this requirement has not been satisfied.
Error: The Attribute "field2" is required by another operator downstream of this location, but this requirement has not been satisfied.
Error: The Attribute "field3" is required by another operator downstream of this location, but this requirement has not been satisfied.
Error: The Attribute "field4" is required by another operator downstream of this location, but this requirement has not been satisfied.
Write File 2:
Error: The Attribute "field1" is required by this operator, but this requirement has not been satisfied.
Error: The Attribute "field2" is required by this operator, but this requirement has not been satisfied.
Error: The Attribute "field3" is required by this operator, but this requirement has not been satisfied.
Error: The Attribute "field4" is required by this operator, but this requirement has not been satisfied.
I am not an expert, but it seems that the schemas does not match or at least this had occured to me when a had this kind of error messages.
You should try to match the composite types of input 1 to outputs by editing the schemas.
There is an excellent example by Mike Tarallo here:
http://www.youtube.com/watch?v=C198eBIYMLQ&list=UUtLWV632L8lv2OhOrR9K4RQ&index=6&feature=plcp
Hello MOHAMMED,
(Diamantis - thanks for your contribution - the video you referenced is defintiely a great way to learn about Schemas and Semantic Types)
This is definitely an area that requires some training on the product but is also easily handled once you have a grasp on the use of Schemas and Semantic Types and how they represent data in a flow
Here are some things to remember:
Let us know if you have any questions.
Mike T