DDevelopment & Design

Virtual task board + info radiator

There are some posts around about various task board solutions. Besides that we use white board to sketch some designs and exchange knowledge, we use virtual board as task board and info radiator.Simply we have a jQuery script that runs in a web browse…

There are some posts around about various task board solutions. Besides that we use white board to sketch some designs and exchange knowledge, we use virtual board as task board and info radiator.

Simply we have a jQuery script that runs in a web browser that rotates some most important pages with our project status. These are JIRA/Greenhopper task board, Jenkins, Sonar and current app snapshot built and deployed automatically by Jenkins.

And where this board stands? In front of us, at the windowsill where every team member sees it.

What is it? An old computer with 20″ display.

Our colleagues from other project had ordered about 30″ monitor but they have our company owner in team so this was obvious that they should have bigger and better display ;-)

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DDevelopment & Design

Grails render as JSON catch

One of a reasons your controller doesn't render a proper response in JSON format might be wrong package name that you use. It is easy to overlook. Import are on top of a file, you look at your code and everything seems to be fine. Except response is still not in JSON format.

Consider this simple controller:

class RestJsonCatchController {
def grailsJson() {
render([first: 'foo', second: 5] as grails.converters.JSON)
    }

def netSfJson() {
render([first: 'foo', second: 5] as net.sf.json.JSON)
    }
}

And now, with finger crossed... We have a winner!

$ curl localhost:8080/example/restJsonCatch/grailsJson
{"first":"foo","second":5}
$ curl localhost:8080/example/restJsonCatch/netSfJson
{first=foo, second=5}

As you can see only grails.converters.JSON converts your response to JSON format. There is no such converter for net.sf.json.JSON, so Grails has no converter to apply and it renders Map normally.

Conclusion: always carefully look at your imports if you're working with JSON in Grails!

Edit: Burt suggested that this is a bug. I've submitted JIRA issue here: GRAILS-9622 render as class that is not a codec should throw exception