Hello Todd, Thnx for helping out with the Ajax Implementation on JBoss. I have managed to get it working with command buttons....I am now trying to implement the example found at http://livedemo.exadel.com/a4j-dropDownBoxes/
My SFSB is as follows: | | @Stateful | @Scope(ScopeType.SESSION) | @Name("AjaxBean") | public class AjaxBean implements AjaxBeanLocal{ | | private static final Log log = LogFactory.getLog(AjaxBean.class); | | | private String property; | | private String property_text; | | | public String getProperty_text() { | return property_text; | } | | | public void setProperty_text(String property_text) { | this.property_text = property_text; | } | | | | public String getProperty() { | return property; | } | | | | public void setProperty(String property) { | this.property = property; | } | | public void setProperty(){ | log.debug("Setting Property to PropertyText"); | this.property = this.getProperty_text(); | } | | | @Remove @Destroy | public void destroy(){ | | } | | | } | | My XHTML page is as follows: | | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" | "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | <html xmlns="http://www.w3.org/1999/xhtml" | xmlns:s="http://jboss.com/products/seam/taglib" | xmlns:ui="http://java.sun.com/jsf/facelets" | xmlns:f="http://java.sun.com/jsf/core" | xmlns:a4j="https://ajax4jsf.dev.java.net/ajax" | xmlns:h="http://java.sun.com/jsf/html"> | | <body> | <f:loadBundle basename="messages" var="msg"/> | <ui:composition template="/WEB-INF/layout/template.xhtml"> | | <ui:define name="header"> | <ui:include src="/WEB-INF/layout/header.xhtml" /> | </ui:define> | | <ui:define name="body"> | | <f:view> | <a4j:region selfRendered="true"> | <a4j:form> | <a4j:status startStyle="font-color:red" stopText="Ready" startText="Request under process"/> | | | <h:panelGroup style="display:block" id="menuValue" styleClass="px10"> | This is a Test #{AjaxBean.property} | </h:panelGroup> | | | | <h:panelGroup id="selectMenu"> | <h:selectOneMenu value="#{AjaxBean.property}"> | <f:selectItem itemValue="car" itemLabel="Car" /> | <f:selectItem itemValue="motorcycle" itemLabel="Motorcycle" /> | | <a4j:support event="onchange" action="#{AjaxBean.setProperty}" | reRender="menuValue" /> | </h:selectOneMenu> | </h:panelGroup> | | </a4j:form> | </a4j:region> | </f:view> | </ui:define> | | <ui:define name="footer"> | <ui:include src="/WEB-INF/layout/footer.xhtml" /> | </ui:define> | | </ui:composition> | </body> | </html> | | When i change the value in the drop down menu, i whole page is re-rendered and only the following line is displayed: | <span id="ajax-update-ids" | And this is the stack trace in my log file: | | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] AjaxView RenderChildren() components for AJAX request | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxRendererUtils] Calculate absolute ID for component _id5 as :_id5 | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] AjaxView encodeChild component for AJAX request with at path : ID _id5 | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] AjaxView encodeChild component for AJAX request with at path : ID _id7 | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] AjaxView encodeChild component for AJAX request with at path :_id7: ID _id8 | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] Render Ajax Area component with ID :_id7:menuValue | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] AjaxView encodeChild component for AJAX request with at path :_id7: ID selectMenu | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] AjaxView encodeChild component for AJAX request with at path :_id7: ID _id10 | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] AjaxView encodeChild component for AJAX request with at path :_id7: ID _id13 | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] AjaxView encodeChild component for AJAX request with at path :_id7: ID _id11 | 2006-10-09 14:44:33,578 DEBUG [org.ajax4jsf.framework.renderer.AjaxContainerRenderer] AjaxView encodeChild component for AJAX request with at path :_id7: ID _id12 | 2006-10-09 14:44:33,578 ERROR [org.apache.myfaces.lifecycle.PhaseListenerManager] Exception in PhaseListener RENDER_RESPONSE(6) beforePhase. | java.lang.NullPointerException | at com.sun.facelets.FaceletViewHandler.writeState(FaceletViewHandler.java:722) | at org.ajax4jsf.framework.renderer.AjaxRendererUtils.writeState(AjaxRendererUtils.java:850) | at org.ajax4jsf.framework.renderer.AjaxRendererUtils.encodeAreas(AjaxRendererUtils.java:740) | at org.ajax4jsf.framework.renderer.AjaxContainerRenderer.encodeAjax(AjaxContainerRenderer.java:128) | at org.ajax4jsf.ajax.UIAjaxRegion.encodeAjax(UIAjaxRegion.java:210) | at org.ajax4jsf.framework.ajax.AjaxContext.renderAjaxRegion(AjaxContext.java:256) | at org.ajax4jsf.framework.ajax.AjaxRegionBrige.broadcast(AjaxRegionBrige.java:315) | at org.ajax4jsf.ajax.UIAjaxRegion.broadcast(UIAjaxRegion.java:87) | at org.ajax4jsf.framework.ajax.AjaxViewRoot.processEvents(AjaxViewRoot.java:274) | at org.ajax4jsf.framework.ajax.AjaxViewRoot.broadcastAjaxEvents(AjaxViewRoot.java:290) | at org.ajax4jsf.framework.renderer.AjaxRenderPhaseListener.processAjaxRender(AjaxRenderPhaseListener.java:150) | at org.ajax4jsf.framework.renderer.AjaxRenderPhaseListener.beforePhase(AjaxRenderPhaseListener.java:134) | at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersBefore(PhaseListenerManager.java:70) | at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:373) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:45) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:30) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:67) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:223) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) | at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) | at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) | at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) | at java.lang.Thread.run(Thread.java:595) | | | Any hint of whats wrong in my code ?? Thnx for your help Yogesh M-ITC LTD http://www.m-itc.net View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3976943#3976943 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3976943 _______________________________________________ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user