Technology Cafe

The context

I am using Google App Engine using the  Grails AppEngine plugin . The default port is 8080, but I needed to run it on a different port.

It was easy to figure out that Google App Engine supports running the development server on any configured port. But it took me some time to realize that [...]

The context:

I am using Google App Engine along with Grails AppEngine plugin. At some point I started getting an exception when I was trying to start my development server. The only thing I had done before I got the error was- I had switched from App Engine SDK  1.2.5 to 1.2.8.

The solution

The problem is that [...]

Context:

JSF application running on a Tomcat server

Symptoms:

When you try to access a resource in your appplication- you are greeted with a 404 error

Investigation

Check your error log.

If your exception trace is similar to one of the exceptions mentioned below mentioned below- you are missing one or both of these libraries: Commons-Digester or Commons- BeanUtils. (Note: You [...]