[TYPO3-mvc] Multiple parameters for one action!?

[roberto blanko]

Hello everyone,

One of my actions looks like this:

    /**
     * Action redirecting to destintaion
     *
     * @param Tx_MyExt_Domain_Model_Destination $destination The target
destination
     * @param string $keyword The keyword entered by the user
     * @return void
     */
    protected function showAction(Tx_MyExt_Domain_Model_Destination
$destination, $keyword)
    {
        // Do something
    }

My URL to call this action looks like this:

http://blabla.com/?tx_myext_pi1[destination]=2&tx_myext_pi1[keyword]=bananarama&tx_myext_pi1[action]=show&tx_myext_pi1[controller]=MyController

Extbase throws the following Exception at me:
*#1253175643: The argument type for parameter "keyword" could not be
detected.*

Once, I switch the order of the destination and keyword parameters, I get
the same exception but for the destination. If I remove one of the two
parameters, it works. So my assumption would be, that Extbase can only cope
with one and only one parameter in action methods!? And no, I do not use any
PHP accelerators or other fancy stuff.

Help would be much appreciated.

Regards
Roberto