I was getting the error even when I was rendering just 3-4 pages. So i don't think it was due to any memory leak.
On Mon, Jun 27, 2016 at 10:17 PM, Ankit Agarwal <ankyizh...@gmail.com> wrote: > Hi, Thanks for the reply. > I am using 32 bit jvm and 1.5 gb of heap size. > Still I was getting out of memory error when i was rendering pdf with > multiple pages. > When i introduced system.gc call after each page (which is not ideal and > bad programming choice) , then the pages were being rendered without an > error. > So I think that the bufferedImage from previous page wasn't being cleared > and the next page was loaded( but in my code the image object is flushed > before another use so this shouldn't happen).Anyways system.gc() solved > this for now. > But as we know we cannot be sure that system.gc() will call the garbage > colelctor as the final decision lies with the jvm. So I guess, I'll just > have to try my luck here and continue with the code. > Thanks > > On Mon, Jun 27, 2016 at 9:17 PM, Tilman Hausherr <thaush...@t-online.de> > wrote: > >> Am 27.06.2016 um 15:39 schrieb John Hewson: >> >>> On 24 Jun 2016, at 00:55, Ankit Agarwal <ankyizh...@gmail.com> wrote: >>>> >>>> Hi, >>>> When i try to covert pdf to image then for some pdfs i get a "out of >>>> memory" error. So i increased heap size and then i again got the error >>>> for >>>> some different pdf file. >>>> for the time being assume I have no memory leak from other objects. So >>>> what >>>> would be the reason for this memory out of error? >>>> Would it be just that the image is so large(which is not the case i >>>> think) >>>> that it consumes heap, or maybe pdfbox stores buffered image of each >>>> pages >>>> in its memory and this contributes to the growing heap size? >>>> Any insight would be wonderful. >>>> >>> Usually it’s because the PDF contains a compressed image which is very >>> large >>> when decompressed. So the file isn’t big on disk, but it is in memory. >>> Try using >>> a 32-bit JVM as these use less memory. 1GB of heap is usually enough but >>> you >>> can go larger. >>> >> >> He does use 32bit JVM. I tried two of his files on a 64bit JVM and it has >> rendered for 24 hours with -Xmx400m. >> >> >> https://stackoverflow.com/questions/38008475/pdf-rendering-using-pdfbox/38010316#38010316 >> >> Tilman >> >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@pdfbox.apache.org >> For additional commands, e-mail: users-h...@pdfbox.apache.org >> >> >
