InputStream snapIS = new BufferedInputStream(new FileInputStream(snap));
CheckedInputStream crcIn = new CheckedInputStream(snapIS, new Adler32());
InputArchive ia=BinaryInputArchive.getArchive(crcIn);
deserialize(dt,sessions, ia);
long checkSum = crcIn.getChecksum().getValue();
long val = ia.readLong("val");
if (val != checkSum) {
throw new IOException("CRC corruption in snapshot : " + snap);
}
snapIS.close();
crcIn.close();