Missing requirement: Jetty Server Adaptor Plug-in 1.0.4 (org.mortbay.jetty.serveradaptor 1.0.4) requires 'bundle org.eclipse.wst.server.core 0.0.0' but it could not be found

Today I tried to install Jetty plugin in Eclipse using the below URL
http://www.webtide.com/eclipse

But my installation failed with the below error

"Cannot complete the install because one or more required items could not be found.
Software currently installed: Jetty Generic Server Adaptor 1.0.
(org.mortbay.jetty.serveradaptor.feature.group 1.0.4)
Missing requirement: Jetty Server Adaptor Plug-in 1.0.4 
(org.mortbay.jetty.serveradaptor 1.0.4) requires 'bundle org.eclipse.wst.server.core 
0.0.0' but it could not be found
Cannot satisfy dependency:
From: Jetty Generic Server Adaptor 1.0.4 
(org.mortbay.jetty.serveradaptor.feature.group 1.0.4)
To: org.mortbay.jetty.serveradaptor [1.0.4] "

Solution to this problem is very simple .

Install Jetty plugin with the below URL
http://download.eclipse.org/jetty/updates/jetty-wtp

Steps :

1. Open Eclipse.
2. click Help -> Install New Software. The Available Software dialog box opens.
3. Add the plugin using below URl  http://download.eclipse.org/jetty/updates/jetty-wtp

Detailed steps with instructions can be found at :
http://wiki.eclipse.org/Jetty_WTP_Plugin/Jetty_WTP_Install