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Getting 'Data Set script method "Fetch" returned null;' while fetching 2nd Row [message #1782269]

Wed, 21 February 2018 06:55

S A

Messages: 3
Registered: February 2018

Junior Member

Hi,

I am new to Birt reporting tool and trying to learn the scripted data set. My requirement is simple - to fetch data from spring service method and show it to the table. Currently I am getting ''Data Set script method "Fetch" returned null; expected a Boolean value.' while fetching 2nd row of table. In other word, the first row is being fetched successfully and I can see it in the report as well. My data list contains 5 or more list of java objects. Unable to figure out what am I missing(rptdesign is attached). Tried putting the content of initialize method in data-set's open method but still the output was same(stack trace is attached). I need some other operations like adding aggregation to the table so I fetched the data in initialize method instead of data-set's open method.

Attachment: mtrr.rptdesign
(Size: 9.04KB, Downloaded 17 times)
Attachment: Stack Trace.txt
(Size: 27.80KB, Downloaded 26 times)

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