Select Help/Install new software... from the menu, select the Juno update site (http://download.eclipse.org/releases/juno), and then look for the Marketplace client - it is in the General Purpose Tools category.
在 Eclipse Juno 上安装 Marketplace,布布扣,bubuko.com
在 Eclipse Juno 上安装 Marketplace
原文：http://www.cnblogs.com/xiaoguang123/p/3921698.html