Create Unity Eclipse launcher.

Create a text file named eclipse.desktop inside /home/youruser/.local/share/applications directory, with this content


[Desktop Entry]
Type=Application
Name=Eclipse Juno
Comment=Eclipse Juno
Exec="/pathtoeclipse/eclipse"
Icon=/pathtoeclipse/icon.xpm
Categories=Application;Development;Java;IDE
Version=1.0
Type=Application
Terminal=0

Just reset unity. You should get Eclipse Juno icon on the Dash. To add it to launcher, just drag-n-drop the eclipse.desktop file from Nautilus to Unity launcher, and that is it.