a a wrote:
hello i have solved my problem i don't know, but have
changed the version of jasper to 1.2 and run perfect,
but i have ohter problem o no problem question, when i
call the method
JasperFillManager.fillReportToFile(
jasperReport,
tmpFileLlenar.getPath(),
parameters,
ds
);
this use a memory? when i call this with a small
reports no problem but when i call with a big reports
i have a java.lang.outOfMemory, i thought that this no
have diference between small report and big reports
how the fill is into a file not into a object in
memory.
fillReportToFile is nothing more than a shortcut method for filling a
report in memory and then saving it into a file.
Currently the fill process is not streamable, it always fills the whole
report in memory (but when you use a virtualizer, part of that memory
gets virtualized). This is because in the general case streaming is not
possible (e.g. if you have "page x of y" on each page, even the first
page is finished only after all the report has been generated).
Therefore, if you have large reports to fill and not enough VM memory,
you should use a virtualizer.
some one know why?
thanks
alvaro tovar
Regards,
Lucian Chirita
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