Error with Grails and Vaadin Plugin

[vacax]

Hi,

When i use the plugin with Grails and Vaadin Plugin it's not working, see the below error:

javax.servlet.ServletException: Servlet.init() for servlet VaadinServlet 0 threw exception
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
java.lang.Thread.run(Thread.java:744)

groovy.lang.MissingMethodException: No signature of method: com.vaadin.grails.GrailsVaadinServletService.init() is applicable for argument types: () values: []
Possible solutions: wait(), wait(long), wait(long, int), find(), print(java.io.PrintWriter), print(java.lang.Object)
com.vaadin.grails.GrailsVaadinServlet.createServletService(GrailsVaadinServlet.groovy:25)
com.vaadin.server.VaadinServlet.init(VaadinServlet.java:113)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
java.lang.Thread.run(Thread.java:744)

the code is:

ConfirmDialog.show(null, "Please Confirm:", "Are you really sure?",
"I am", "Not quite", new ConfirmDialog.Listener() {

            public void onClose(ConfirmDialog dialog) {
                if (dialog.isConfirmed()) {
                    // Confirmed to continue

                } else {
                    // User did not confirm

                }
            }
        });