There's currently no way to distinguish between set empty and unset, as is. Disallowing an empty passphrase is consistent with the behavior of `keytool`, which requires a passphrase of at least 6 characters. If we were to allow it, we should at least spit out a warning that we cannot verify its integrity.
[ Full content available at: https://github.com/apache/accumulo/pull/646 ] This message was relayed via gitbox.apache.org for [email protected]
