private void logWarning() {
            if (logCount == 0 || System.currentTimeMillis() > nextLogTime ) {
                log.warning("Could not connect to the config proxy '" + spec + "'" + " - " + this + "@" + System.identityHashCode(this));

                nextLogTime = System.currentTimeMillis() +
                        Math.min(TimeUnit.DAYS.toMillis(1),
                                TimeUnit.SECONDS.toMillis(30) * (++logCount));
                log.info("Next log time = " + nextLogTime + ", current = " + System.currentTimeMillis());
            }
        }
Retrieves the path to a file or directory on the local file system
that has been transferred with the vespa file distribution
mechanism.

Intended to be the only real implementation of FileAcquirer.

@author Tony Vaagenes
fileacquirer/src/main/java/com/yahoo/filedistribution/fileacquirer/FileAcquirerImpl.java