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https://stackoverflow.com/questions/25620694/a4jsupport-in-a-rerender-is-not-working
Sep 02, 2014 · The problem is: just the simple checkbox function, without the rerendering works pretty well. But as soon as the a4j:support is rerendered, it's not working, the System.out.println() is never called. This looks so easy, but I don't know why it's not working at all! Any hint/trick? This is old environment, so JSF 1.2 only.
https://developer.jboss.org/thread/13287
Dec 03, 2008 · Re: <a4j:support action does not rerender Ilya Shaikovsky Dec 3, 2008 6:12 AM ( in response to Blochaou Blochaou ) make support ajax single in order no to submit the second one which depends on the first.
https://developer.jboss.org/thread/157485
Oct 08, 2010 · I am trying to reRender a second dropdown upon selecting an item from first dropdown. The reRender works fine. But the second dropdown also has a <a4j:support, which triggers the moment the second dropdown is loaded. How do I stop second dropdown from reloading when first dropdown refreshes the second one. Code:
https://issues.jboss.org/browse/RF-3833
2019-11-23 2:00 PM UTC. Site issues.jboss.org (Jira) may be unavailable or degraded for 7 hours due to planned maintenance.
https://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/a4j_support.html
The <a4j:support> component is the most important core component in the RichFaces library. It enriches any existing non-Ajax JSF or RichFaces component with Ajax capability. It enriches any existing non-Ajax JSF or RichFaces component with Ajax capability.
https://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/a4j_commandButton.html
The <a4j:commandButton> already has Ajax support built-in and there is no need to add <a4j:support> . The usage of the keyword 'this' in JavaScript code in the value for "oncomplete" attribute depends on the location of <a4j:commandButton> .
https://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/ArchitectureOverview.html
Ajax Filter. To get all benefits of RichFaces, you should register a Filter in web.xml file of your application.The Filter recognizes multiple request types. Necessary information about Filter configuration can be found in the "Filter configuration" section. The sequence diagram on Figure 3 shows the difference in processing of a "regular" JSF request and an Ajax request.
https://docs.jboss.org/richfaces/latest_3_3_X/en/tlddoc/a4j/support.html
Doesn't encode as a component. Instead, it adds ValueBinding for a property of the parent component with the name as a value of its "event" property. As a result, when rendered, the parent component builds JavaScript code for submitting an AJAX request on this event.
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