It wasn’t working at my home yesterday evening.

And today morning I tried at school my lab and it worked.

First of all it should be pretty easy to determine what the problem is based on the error from the server:
No bean named ‘__dwrConfiguration’ is defined

Secondly, I am not sure what you got out of reading my post because you surely did not follow the directions. You need to spend some time re-reading my post (STEP 4 – you obviously missed). The tag is REQUIRED. I don’t see what you are even doing with DWR with your set-up but regardless you need to at the very least add a blank dwr:configuration () to your dispatcher-servlet.xml. This is also covered in the DWR documentation: DWR docs on Spring Integration (http://directwebremoting.org/dwr/server/spring).
-David

It was working fine with only indexController defined.
(I’ve zipped my project for backing up working copy)

When I added 2 controllers I got following error:
The matching wildcard is strict, but no declaration can be found for element ‘dwr:controller’

Then I’ve removed the 2 controllers and I expected working fine. But I’m still getting error.

So I’ve deleted my project and deployed the zipped one.
Then it’s working.

The issue is reported in the spring issue tracker and the resolution is “Cannot Reproduce”.
jira.springframework.org/browse/IDE-865

Christian Dupuis said:
That basically means that the DWR team either needs to provide Eclipse support for their namespace or at the very least use the Spring tools annotation on their XSD.

If not I suggest trying the download and moving on from there. Are you sure you have the dwr.jar and the spring.jar in your WEB-INF/lib?

The matching wildcard is strict, but no declaration can be found for element ‘dwr:controller’