Experiencing problems with RichFaces / Dependency Injection
tashtego Jul 15, 2009 4:43 AMHi.
I am experiencing trouble with Richfaces and the strange thing is, it has worked some days ago :( Dont know what I could have changed. I am using dependency injection in my managed bean (jsf module) , which is deployed inside an EAR file with a EJB3 module. Some methods work because the dependency injection did its job. Others dont because the session bean is null. It seems to be connected with AJAX / RichFaces. I am trying to change one drop down which leads to changing the list of the next dropdown list too.
javax.servlet.ServletException: java.lang.NullPointerException javax.faces.webapp.FacesServlet.service(FacesServlet.java:277) org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178) org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368) org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) root cause javax.faces.FacesException: java.lang.NullPointerException javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:714) javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675) javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720) javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675) javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720) javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675) org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:224) org.ajax4jsf.component.AjaxViewRoot.processValidators(AjaxViewRoot.java:455) com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76) com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100) com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) javax.faces.webapp.FacesServlet.service(FacesServlet.java:265) org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178) org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368) org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) root cause java.lang.NullPointerException de.me.myproduct.web.managedbeans.MyManagedBean.findCountryByName(MyManagedBean.java:170) de.me.myproduct.web.converter.CountryConverter.getAsObject(CountryConverter.java:28) com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:167) com.sun.faces.renderkit.html_basic.MenuRenderer.convertSelectOneValue(MenuRenderer.java:188) com.sun.faces.renderkit.html_basic.MenuRenderer.getConvertedValue(MenuRenderer.java:301) javax.faces.component.UIInput.getConvertedValue(UIInput.java:942) javax.faces.component.UIInput.validate(UIInput.java:868) javax.faces.component.UIInput.executeValidate(UIInput.java:1072) javax.faces.component.UIInput.processValidators(UIInput.java:672) javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058) org.ajax4jsf.component.UIAjaxRegion.processValidators(UIAjaxRegion.java:121) org.ajax4jsf.component.AjaxViewRoot$3.invokeContextCallback(AjaxViewRoot.java:439) org.ajax4jsf.component.ContextCallbackWrapper.invokeContextCallback(ContextCallbackWrapper.java:44) javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:711) javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675) javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720) javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675) javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:720) javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675) org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:224) org.ajax4jsf.component.AjaxViewRoot.processValidators(AjaxViewRoot.java:455) com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76) com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100) com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) javax.faces.webapp.FacesServlet.service(FacesServlet.java:265) org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178) org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368) org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)