The interface lo does not exist on certain OSs, so the test fails with this exception on HPUX:
Error Message lo Stacktrace java.net.UnknownHostException at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method) at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:883) at java.net.InetAddress.getAddressFromNameService(InetAddress.java:1236) at java.net.InetAddress.getAllByName0(InetAddress.java:1187) at java.net.InetAddress.getAllByName(InetAddress.java:1117) at java.net.InetAddress.getAllByName(InetAddress.java:1053) at java.net.InetAddress.getByName(InetAddress.java:1003) at org.jgroups.util.Util.parseInterfaceList(Util.java:3225) at org.jgroups.conf.PropertyConverters$NetworkInterfaceList.convert(PropertyConverters.java:34) at org.jgroups.tests.PropertyConvertersTest.testNetworkList(PropertyConvertersTest.java:41)