[Connect to MongoDB using JasperReports Server web app]

I had a similar issue that I solved by the following:

• dowload iReport Designer or jaspersoft studio from sourceforge
• Create a Data Adapter and add your mongo database with login credentials
• Create a JasperReports Server Connection and refer it to your own JasperReports Server instance
• Create a new JasperReport using the Report Wizard
• After creating your report, publish / upload it to your JasperReports Server.
• The .jrxml file will now be visible within your JasperReports Server as a 'Topic'
• Login and Create an Ad-Hoc-Report in your  JasperReports Server
• Choose the Topic selection and browse to the directory that you uploaded your report to previously
• And that should be it!

However, the problem that I encountered througout this process was that there were no fields from my mongodb visible. The Jaspersoft Studio tool Preview produced an empty report. 

My database, called shortstories, has a collection called hardbackbooks. And each row in 'hardbackbooks' contains the 2 fields, content and created_date. The query string I used when creating the report is below; Can anyone help with this JasperSoft to MongoDB syntax, please? 

{collectionName : 'hardbackbooks',

 

findFields : {

'content':1,

'created_date':1},

rowsToProcess:20

}