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Help to resolve jsper reports memory issue

 
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Hi ,

I have an requirement where my datasource contains lists of list,that is, i have created a list containing 3 lists. And each list values must be listed in 3 different sheets(there are about 9000+ records in each list). All the three sheets make use the same jrxml file. Is there a way that i can pass my datasource to JasperFillManager and it creates 3 sheets in one call.Please help.

I am presently, iterating the list and calling JasperFillManager to create 3 JasperPrint Objects. And then merging them into in one report by setting the JRExporterParameter.JASPER_PRINT_LIST parameter.This is taking a lot of memory, and in some instances goes out of memory. I need to avoid creating three jasperprint objects and the filling has to be done in one call so that i have only one jasper print object to export.

Thanks,
Kiran
 
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