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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 33681] New: - Cannot load 500kb file with usermodel or event model
Date Mon, 21 Feb 2005 23:41:54 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=33681

           Summary: Cannot load 500kb file with usermodel or event model
           Product: POI
           Version: 2.5
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P3
         Component: HSSF
        AssignedTo: poi-dev@jakarta.apache.org
        ReportedBy: mserra@iwu.edu


Whenever I try to load a simple, 500k file, I find that my CPU usage goes up to
98% and my memory slowly gets eaten... very slowly.  The file never loads.  But
when I try to do this with a much smaller file (between 50-100k), I have no
problems.  This happens regardless of whether I use the usermodel or the
eventmodel.  Here is the code I am using for the usermodel:

public class LoadTest {

  public static void main(String[] args) {

    HSSFWorkbook workbook;
    File inputFile = new File("big_test.xls");
    try {
    InputStream fileIn = new FileInputStream(inputFile);
    fileIn = new BufferedInputStream(fileIn);
    workbook = new HSSFWorkbook(fileIn);
    fileIn.close();
    } catch (FileNotFoundException ex) {
    } catch (IOException ex) { }
  }

}

And for the eventmodel, I am using the example from the HSSF howto homepage.
It gets this far:

Encountered workbook
New sheet named: Sheet1
New sheet named: Sheet2
New sheet named: Sheet3

And then it hangs the same way the usermodel did.
I have also had this problem on a Windows XP box, and I've tried it with what
appears to be a recent CVS build (poi-2.1-20050221).  It never works.  What is
going on here?

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