Category: liferay

Liferay diaries: Help! My validation errors are not showing!

While still battling form submissions in my Liferay/Spring MVC Form controller/Multi-portlet beast, I noticed that the Spring form tags would not display errors. As this post [1] explains, the reason is that the form backing object must be named exactly as the class consituting the backing object, but with the first letter in lowercase.Thus the … Continue reading Liferay diaries: Help! My validation errors are not showing!

Liferay diaries: Directing between different portlets on different pages

In my latest project I've came across the following UI construct:A portlet with a search form displays results. When the user clicks on one of the result entries, a detail view should be shown which however resides in a different portlet... on a different page.Surprisingly, the solution revolves around craftly constructing the right URL which … Continue reading Liferay diaries: Directing between different portlets on different pages

Liferay diaries: Help! My form post parameters are empty!

While hacking a Spring & Liferay prototype, I'm suddenly wondering about why during a form submission there are no parameters (not even empty or null) submitted by the form.Turns out that I got bitten once more by the two phases of the portlet lifecycle [1] and naivly were handling form submission in the handleRenderRequest method … Continue reading Liferay diaries: Help! My form post parameters are empty!

Liferay diaries: Multiple spring form controllers in a portlet

Now there comes a moment in the life of every portlet author, be it a seasoned veteran (like jstam) or a fresh starter like myself when you need to do implement something out of the ordinary for which portlets were not intended. Last week we had to scetch up an all-in-one portlet that could display … Continue reading Liferay diaries: Multiple spring form controllers in a portlet