Sometime Ctr + space doesn't work in eclipse
When I was trying to build a simple DFS service client, I encounter the ctr + space combination was not showing any suggestion in eclipse. In order to fix this issue we have to do Content Assist Configuration Configure Eclipse’s content assist, go Preferences > Java > Editor > Content Assist > Advanced . Make sure “ Other Java Proposals ” is checked Reference: http://www.mkyong.com/java/content-assist-ctrl-space-is-not-working-eclipse/