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https://issues.jboss.org/browse/RF-13605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12963088#comment-12963088
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Brian Leathem commented on RF-13605:
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Indeed, as [~michpetrov] pointed out the problem here is one of competing
nearly-simultaneous ajax requests.
The user should consider which even should trigger the ajax update, and should
consider moving the ajax _change_ listener on the input text into a
_valueChangeListener_ property of the inputText. This way the change listener
would get executed when the ajax update initiated by the button was processed.
See:
https://javaserverfaces.java.net/nonav/docs/2.1/vdldocs/facelets/h/inputText.html
> a4j:ajax button click event gets lost
> -------------------------------------
>
> Key: RF-13605
> URL: https://issues.jboss.org/browse/RF-13605
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: component-a4j-core
> Affects Versions: 4.3.6
> Reporter: abhishek vijra
> Attachments: queue.zip
>
>
> Clicking on the submit button of a form containing input elements with
> valuechange event listeners triggers only the execution of the event
> listeners of the corresponding input elements, but the button click event
> apparently gets lost and the form isn't actually being submitted. The user
> has to click on the button again to finally submit it. Explicitly setting the
> requestDelay of an associated a4j:queue to say 200ms for all events seems to
> preserve the click event and the form gets submitted as expected in our
> specific test environment. This isn't a generally acceptable workaround
> though, as it introduces redundant global delay and hardly preserves the
> click event reliably across environments with different timing constraints.
> Attached a testcase to isolate the problem, see the attached zip file
> containing a minimal JSF application with a simple RichFaces-enabled form
> which reproduces the undesired behavior.
> {code}
> <h:panelGroup id="greeting">
> <h:outputText value="Hello #{richBean.name}!" rendered="#{not empty
> richBean.name}" style="font-size:2em" />
> </h:panelGroup>
> <!-- <a4j:queue name="org.richfaces.queue.global" requestDelay="200" /> -->
> <h:form>
> <h:panelGrid id="panel" columns="2" border="0" cellpadding="0"
> cellspacing="10">
> <h:outputLabel value="Name:" for="nameInput" />
> <h:inputText id="nameInput" value="#{richBean.name}">
> <a4j:ajax event="change"
> listener="#{richBean.normalizeName}" render="@form" />
> </h:inputText>
> <f:facet name="footer">
> <h:panelGroup style="display:block; text-align:right">
> <a4j:commandButton id="submit" value="Submit"
> render="greeting" />
> </h:panelGroup>
> </f:facet>
> </h:panelGrid>
> </h:form>
> {code}
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