problem with primefaces ajax poll

[irakli_java_dev]

i'm doing this example
CounterBean.java
@ManagedBean
public class CounterBean implements Serializable {
private int count;
public void increment(ActionEvent actionEvent) {
count++;
}
// getter and setter
}
index.xhtml
<h:form prependId="false">
<h:outputText id="txt_count" value="#{counterBean.count}" />
<p:poll interval="3"
listener="#{counterBean.increment}" update="txt_count" />
</h:form>
including xmlns:p="http://primefaces.prime.com.tr/ui" and lib primefaces-2.2.jar, deplying on tomcat.
problem is that polling doesn't work
anyone can help me?

[leen]

i would that but i have few of knowledge
i think the members helping u

good luck