Apex+Cocoon PDF Printing issue on printing Large Reports

Hello All,
I m in a real hard situation with PDF printing in apex.. The application manages to push the report into PDF with lesser record reports but for Large reports, it says File corrupted when i open the downloaded PDF file..
I use Apex+Coocoon and fop printing. I found from some forums as this issue was with Java Heap size being lesser and asked me to increase the size.. so i increased the size from 128MB to 1024MB and my server settings allows me to set 1550MB at the maximum..
If i cross this limit the TOMCAT server stops from running...
But all of the above was not much fruitful, since it throws again the same errors if report rows crosses 6000+ rows, can any one help me out, do i need to check any other settings to make my large reports printable in PDF.
My application needs to print around *20000+ rows each report may have at least 20 columns* to get printed...
Much awaited for your assistance
Edited by: mohansanjee on Sep 8, 2010 3:58 AM
Edited by: mohansanjee on Sep 8, 2010 3:59 AM
Edited by: mohansanjee on Sep 8, 2010 4:00 AM

Matt,
On this note, it probably also makes sense to mention that with APEX 3.1 we introduce a PL/SQL API that gives you much broader control over what is generated how and the method it's made available to the client. You'll get the ability to retrieve the PDF in a BLOB directly on the server, store in your own tables for later download or send via email attachment. You'll also get the ability to write your own download process using after-submit page processes. And you can have combinations of your own XML with your own stylesheets, or combine report queries with customer stylesheets at runtime, or just simply retrieve the results of pre-defined report queries / report layouts in BLOBs.
I'll talk about this much more on my Blog once 3.1 is out, and will provide whitepapers, how-to's etc
Regards,
Marc

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