Portlet creation from scratch

[Craig McDonald <cr...@canberra.edu.au>]

I am just getting started in portlet development, evaluating the use of 
Jetspeed-2 for the University.

I have been hacking away at creating a custom portlet for the last two 
days, however I am having trouble discovering the best development 
process to undertake in actually packaging and deploying my portlet for 
jetspeed.

What development tools do ppl on this list use to build their portlets, 
deploy as war's, generate their portlet.xml and web.xml instances etc?

I am finding that I an having to do this manually (or partially 
manually, via an ANT script) from within Eclipse. The problem is, I am 
not sure whether I am packaging the WAR file correctly and the web.xml 
and portlet.xml are in the correct format for jetspeed.

When I finally have my war packaged, I deploy to Jetspeed by copying the 
war file into the /deploy directory and then create a portlet fragment 
in the default-page.psml file - however, i constantly get the following 
error:

"org.apache.jetspeed.aggregator.FailedToRenderFragmentException: Unable 
to render fragment because: 
org.apache.jetspeed.container.window.FailedToRetrievePortletWindow: 
org.apache.jetspeed.container.window.FailedToCreateWindowException: 
Error generating new PortletEntity: 
org.apache.jetspeed.components.portletentity.PortletEntityNotGeneratedException: 
Failed to retrieve Portlet Definition for flex::FlexPortlet"

I have double checked examples of other portlets and mine (which is 
extremely simple, code wise - basically just a "hello world" via Flex), 
but I simply can't get it to render. The deployment log file indicates 
the flex.war portlet package deploys successfully.

The lack of development "getting-started" documentation on the 
portals.apache site is particularly frustrating and I'm finding it to be 
an extremely steep learning curve...

Any help would be most appreciated.

Cheers,
Craig

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