BufferedWriter ow = new BufferedWriter(new PrintWriter(new FileOutputStream(fname, true)), page.length);
ow.write(" txnID=" + Integer.toHexString(txnId) + " type=" + types[type]);
ow.newLine();
String s = ByteTool.toHexString(0, page, 0, page.length);
ow.write(s, 0, s.length());
ow.newLine();
ow.flush();
ow.close();
} catch (Exception e) {
logger.debug(e);