Name: nt126004			Date: 12/17/2002


FULL PRODUCT VERSION :
java version "1.4.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-b92)
Java HotSpot(TM) Client VM (build 1.4.0-b92, mixed mode)

FULL OPERATING SYSTEM VERSION :
Microsoft Windows 2000 [Version 5.00.2195]


A DESCRIPTION OF THE PROBLEM :
CRC check in always failed when the file is bigger than 2GB.
The code and error show below.




STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1.create a file bigger than 2GB
2.change the code read file by your created file
3.

EXPECTED VERSUS ACTUAL BEHAVIOR :
it can pass the CRC check and no error throw

ERROR MESSAGES/STACK TRACES THAT OCCUR :
entry:TEST_UF024.RAW/_extern.inf
Before while:801
Finish while loop.
entry:TEST_UF024.RAW/_FUNC001.DAT
Before while:688
IOError:invalid entry size (expected 2147491650 but got -2147475646 bytes)
java.util.zip.ZipException: invalid entry size (expected 2147491650 but got -2147475646 bytes)
        at java.util.zip.ZipInputStream.readEnd(Unknown Source)
        at java.util.zip.ZipInputStream.read(Unknown Source)
        at java.io.FilterInputStream.read(Unknown Source)
        at CRCTest.checkCRCFile(CRCTest.java:31)
        at CRCTest.main(CRCTest.java:56)


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.util.zip.*;
import java.io.*;

public class CRCTest{

public CRCTest(){}


public void checkCRCFile(String inStrFileAbsolutePath) throws IOException, DataFormatException
{

    final int BUFFER = 1024*1024;
    byte[] buffData = new byte[BUFFER];
    FileInputStream fis = new FileInputStream(inStrFileAbsolutePath);
    BufferedInputStream bis = new BufferedInputStream(fis,BUFFER);
    ZipInputStream zis = new ZipInputStream(bis);


    for(ZipEntry nextZipEntry = zis.getNextEntry(); nextZipEntry != null; nextZipEntry =
zis.getNextEntry())
    {
          System.out.println("entry:"+nextZipEntry);
      if (!nextZipEntry.isDirectory())
      {
        CRC32 crcGenerated = new CRC32();

        int count = zis.read(buffData);

        System.out.println("Before while:"+count);
        while (count != -1) {
            crcGenerated.update(buffData, 0, count);
            count = zis.read(buffData);
        }

        System.out.println("Finish while loop.");

        long lCRC32FromZip = nextZipEntry.getCrc();

        if (lCRC32FromZip == -1)
          throw new DataFormatException("CRC Not present in File " + nextZipEntry.getName());

        if (lCRC32FromZip != crcGenerated.getValue())
          throw new DataFormatException("CRC Error " + nextZipEntry.getName() + " ZipCRC=" +
lCRC32FromZip + " CalculatedCRC=" + crcGenerated.getValue());
      }
    }

    zis.close();
    bis.close();
    fis.close();

  }

   public static void main(String args[]) {
        CRCTest crc = new CRCTest();

        try {
                crc.checkCRCFile("c:\\temp\\TEST_UF024.RAW.ZIP");
                System.out.println("CRC Check success.");
        }catch(IOException ioe){
                System.out.println("IOError:");
				ioe.printStackTrace();
        }catch(DataFormatException fe){
                System.out.println("DataFormatError:");
				fe.printStackTrace();
        }catch(Exception e){
                System.out.println("OtherError:");
				e.printStackTrace();
        }

  }
}
---------- END SOURCE ----------
(Review ID: 178849) 
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