After restarting your Server you might get a:
ClassNotFoundException: org.apache.jsp.html.portlet.dockbar.view_jsp
This is a known issue in Liferay 6.2. The solution is quite simple.
Create a empty file view_user_account.portal.jspf in /webapps/ROOT/html/portlet/dockbar/.
Error: java.lang.ClassNotFoundException: org.apache.jsp.html.portlet.dockbar.view_jsp
Animated Loading Icon (Spinner / Progress Bar)
I just tried to show an animated loading icon (like a spinner or progress bar) while my portlet was loading.
A very simple way is to use the css-class "loading-animation", which is delivered with Alloy-Ui, I guess.
Adding a single div:
<div class="loading-animation" />
You will get an animated logo like this:
