Eclipse help won't show under Ubuntu

Question

Whenever I open some help within eclipse I get a page saying:

Server Error. The following error occurred: [code=CANT_CONNECT_LOOPBACK] Cannot connect

Answer 1

had the same problem recently installing and running Eclipse on 9.10. Found that the default settings for Eclipse were fine but 9.10 had no proxy bypass set for 127.0.0.1 in its system settings. Also had to install Apache2 via Synaptic. I installed Apache2, did not change any settings for Apache2 and then went System > Preferences > Network Proxy Preferences clicked on Ignored Hosts and added "127.0.0.1". Reset the Eclipse Network Preferences back to default, restarted Eclipse and help worked perfectly. Hope this works for others.