You're seeing a name clash since both select and observe accept a "zone" parameter.
You can qualify the parameter name so that the mixin gets it instead of select. I think you can say observe.zone="foo" (if not it's observe/zone). On 19 Sep 2014 17:58, "squallmat ." <squall...@gmail.com> wrote: > Hi, > > I'm trying to use the observe mixin from here : > http://tapestry-stitch.uklance.cloudbees.net/observedemo > > > I have the code tml : > <t:Select t:mixins="observe" clientEvent="change" > event="observeSelectApp" zone="formZone" > fields="['selectClients']" t:value="selectedApplication" > t:id="selectApplications" model="selectApplications" > t:encoder="applicatifDtoEncoder" t:zone="formZone" /> > > > in controller : > Block onObserveSelectApp(ClientDto clientSelected) { > selectedClient = clientSelected; > return formZone.getBody(); > } > > > but when I try to launch this page, i have : > Caused by: org.apache.tapestry5.ioc.internal.util.TapestryException: > Parameter(s) 'Observe.zone' are required for > org.apache.tapestry5.corelib.components.Select, but have not been bound. > [at classpath:atos/smt/livraison/pages/NouvelleLivraison.tml, line 42] > at > > org.apache.tapestry5.internal.structure.ComponentPageElementImpl.verifyRequiredParametersAreBound(ComponentPageElementImpl.java:1189) > at > > org.apache.tapestry5.internal.structure.ComponentPageElementImpl.access$2900(ComponentPageElementImpl.java:61) > at > > org.apache.tapestry5.internal.structure.ComponentPageElementImpl$3.run(ComponentPageElementImpl.java:802) > at > > org.apache.tapestry5.internal.structure.PageImpl.invokeCallbacks(PageImpl.java:362) > at > org.apache.tapestry5.internal.structure.PageImpl.loaded(PageImpl.java:231) > at > > org.apache.tapestry5.internal.pageload.PageLoaderImpl$3.invoke(PageLoaderImpl.java:193) > at > > org.apache.tapestry5.internal.pageload.PageLoaderImpl$3.invoke(PageLoaderImpl.java:178) > at > > org.apache.tapestry5.ioc.internal.OperationTrackerImpl.invoke(OperationTrackerImpl.java:74) > ... 92 more > > > > But, the zone attribute is here in my code... Do you see why such a problem > ? >
