WebSphere Portal Server and Portlets Project
Servlet to portlet communication and implementation
Creating Multiple portlets in a single WAR file
These tutorials are for older versions of Portal Server and WS App Server, but might be insightful (thanks to Jonathan for these)
These three tutorials give information on how to communicate from one portlet to another.Techniques to use messaging in your portlet application
How information displayed on one portlet can be transferred to and acted upon by another portlet on the same page
IBM has a fairly comprehensive resource for Portal Server. It is the Portal Server InfoCenter. This has documentation on:
This is a basic installation overview by Sumona and Bret.
Installing IBM Portal Toolkit for Studio App Developer
This is a description of how to use and install the Portal Toolkit for Studio App Developer. We won't be doing Portlet Development without this.
Use the follwing command to create javaDocs for your code:
C:\WebSphere\AppServer\java\bin>javadoc -d "<html\output\path>" -sourcepath "<java\source\path>" <your.package.name> for example (on a single line) C:\WebSphere\AppServer\java\bin>javadoc -d "C:\Documents and Settings\Administrator\My Documents\documentation\javadoc" -sourcepath "C:\Program Files\IBM\Application Developer\bretg\MyFavorites\source" edu.utah.ebis
This is a "How-to" on creating javadocs including how to document your code.
This is the book that I found on the web and it seems like having a different author, would you double check and make sure before we decide to buy it?
Websphere Portal Primer
An example portal site
The following are links to websphere portal server documents:
WebSphere Portal Site analysis
Logging management: Websphere Portal Server
Portlet charts: Websphere Portal Server
Websphere Portal Directory structure http://www-3.ibm.com/software/webservers/portal/library/enable/InfoCenter/wps/wpsdirstr.html
Developing an XML request file for XML Access in Websphere Portal Version 4.1