Setting up Websphere Portal

Download Websphere Portal from IBM
Follow the installation guide here to install
Browse http://localhost:10039/wps/portal and set up admin account and password

Create ZK portlet project

since 6.0.1

Create a ZK project by ZK Studio
Add the following portlet.xml file under /WEB-INF

<?xml version="1.0" encoding="UTF-8"?>
<portlet-app version="2.0"
	xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd 
                                        http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd">
	<portlet>
		<portlet-name>zk</portlet-name>
		<display-name>zk</display-name>
		<portlet-class>org.zkoss.zk.ui.http.DHtmlLayoutPortlet</portlet-class>
		<init-param>
			<name>zk_page</name>
			<value>/index.zul</value> <!-- the main page of portlet -->
		</init-param>
		<expiration-cache>0</expiration-cache>
		<supports>
			<mime-type>text/html</mime-type>
		</supports>
		<portlet-info>
			<title>zk</title>
			<short-title>zk</short-title>
			<keywords>zk</keywords>
		</portlet-info>
		<security-role-ref>
			<role-name>administrator</role-name>
		</security-role-ref>
		<security-role-ref>
			<role-name>guest</role-name>
		</security-role-ref>
		<security-role-ref>
			<role-name>power-user</role-name>
		</security-role-ref>
		<security-role-ref>
			<role-name>user</role-name>
		</security-role-ref>
	</portlet>
</portlet-app>

Export the project as a war file

Deploy ZK portlet in WebSphere Portal 7

Browse http://localhost:10039/wps/portal and login with admin account
Click Administration tab at the top of the page

Select Web Module then click the install button.

Click Choose File button to select the war file then press the Next button.

Check the war information and choose Start application, then click the Finish button.

Go back to Home page

Add a new tab page by clicking Action -> EditPage

Click New Page then enter "Page name" and "Friendly URL Name"

Add the deployed portlet to the created new page by clicking Action -> EditPage.
Click Customize -> All -> in the search box, enter the portlet name defined in portlet.xml