// possibility that some other JBMS got to it sooner than we do,
// check the UUID after we write it to make sure
// SECURITY PERMISSION MP1
// SECURITY PERMISSION OP5
fileLockOnDB = fileLock.getRandomAccessFile( "rw");
fileLock.limitAccessToOwner();
// write it out for future reference
fileLockOnDB.writeUTF(myUUID.toString());
fileLockOnDB.sync();