Comment 14 for bug 530414

I did a little more testing on this today. I tried deleting my IPv6 addresses and setting the sysctl values net.ipv6.conf.all.accept_ra=0 and sysctl net.ipv6.conf.eth0.accept_ra=0 to see if the default Eclipse in Lucid would work properly without IPv6 configured. That is, I did "sudo /sbin/ip -6 addr" and for each address on each interface did "sudo /sbin/ip -6 addr del <address>/<mask> dev <interface>". I was relentless. I even removed ::1 from the loopback interface.

I am happy (and also sad, since IPv6 should probably not cause problems like this) to report that after doing this, the "Install New Software..." window works fine.

Note, I tested this successfully with my 'update-java-alternatives' set to both java-6-openjdk and java-6-sun.