hostname resolution on Ubuntu
An Ubuntu default install creates entries in /etc/hosts of
127.0.0.1 localhost
127.0.1.1 <hostname>
Listening in "any interface" or on 127.0.0.1 does not pickup connects to 127.0.1.1, which results in hostname resolution failures.
Workaround
As of v3.3.3, GemStone will also listen on whatever IP4 address that the hostname resolves to, if that IP4 address is not 127.0.0.1.
Removing the entry in /etc/hosts for 127.0.1.1 has been shown to work around the problem.
Last updated: 12/7/16