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problem in jasper report and subreport

 
Greenhorn
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i am using jasper report and subreport for print purposes. when subreport are using the following error messages came.

" The supplied java.sql.connectionobject is null"
 
Ranch Hand
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Are you trying to pass the connection Object to the subreport?

Ideally if you are using subreports in Jasper, you should get all your data in a collection and then pass all the data to main report which again can pass the data to sub report.

This is the way I have done the Jasper report.
 
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I am sorry to say, but how is this problem related to JSF?
 
Anurag Blore
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This problem is not related to J?SF it related to Japer Rports
Jasper Reports
 
Bauke Scholtz
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Sure, but he posted it in the JSF forum.
 
Consider Paul's rocket mass heater.
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