On Fri, Dec 2, 2016 at 2:41 AM, Javen O'Neal <[email protected]> wrote:
> CPU pegged due the the Java garbage collector trying to clean up unused > memory. The out of memory error is raised when the garbage collector cannot > free the necessary memory for new objects to be allocated. > > Have you read the FAQ yet? https://poi.apache.org/faq.html#faq-N10165 > > On Dec 2, 2016 00:11, "[email protected]" <[email protected]> wrote: > > > Hi! > > > > I am trying to read a xlsx-file whose size is 7.3M with POI version 3.15, > > here is the code： > > > > > > *InputStream is = new FileInputStream(new File(path));//line 1Workbook > book = new XSSFWorkbook(in);// line 2* > > When running to line 2，the memory of javaw rised > > violently from 700M to 1200M，cpu from 10% to 90%，the following > > is the screenshot of memory dump: > > > See http://poi.apache.org/spreadsheet/quick-guide.html#Files+vs+InputStreams, also.
