[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-1702) <s:entityConverter> gives NPE

[Dan Hinojosa (JIRA)]

<s:entityConverter> gives NPE
-----------------------------

                 Key: JBSEAM-1702
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1702
             Project: JBoss Seam
          Issue Type: Bug
          Components: Framework
    Affects Versions: 2.0.0.BETA1
         Environment: XP, Cygwin, 4.2 Jboss, mysql 5.0 + driver
            Reporter: Dan Hinojosa


Using <s:entityConverter> on my app I get a NPE:

javax.servlet.ServletException
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:256)
	org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)
	org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

ROOT CAUSE:

java.lang.NullPointerException
	org.jboss.seam.ui.converter.EntityConverter.getAsString(EntityConverter.java:69)
	org.jboss.seam.ui.converter.PrioritizableConverter.getAsString(PrioritizableConverter.java:67)
	org.jboss.seam.ui.converter.ConverterChain.getAsString(ConverterChain.java:123)
	com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getFormattedValue(HtmlBasicRenderer.java:469)
	com.sun.faces.renderkit.html_basic.MenuRenderer.renderOption(MenuRenderer.java:502)
	com.sun.faces.renderkit.html_basic.MenuRenderer.renderOptions(MenuRenderer.java:757)
	com.sun.faces.renderkit.html_basic.MenuRenderer.renderSelect(MenuRenderer.java:811)
	com.sun.faces.renderkit.html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:335)
	javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:833)
	org.ajax4jsf.framework.renderer.RendererBase.renderChild(RendererBase.java:286)
	org.ajax4jsf.framework.renderer.RendererBase.renderChildren(RendererBase.java:262)
	org.ajax4jsf.framework.renderer.AjaxContainerRenderer.encodeChildren(AjaxContainerRenderer.java:100
)
	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
	org.ajax4jsf.ajax.UIAjaxRegion.encodeChildren(UIAjaxRegion.java:117)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
	javax.faces.render.Renderer.encodeChildren(Renderer.java:137)
	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
	com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:244)
	com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:175)
	org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
	org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:233)
	org.jboss.seam.jsf.SeamViewHandler.renderView(SeamViewHandler.java:87)
	org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
	org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:233)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
	org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)
	org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

	
I think I tracked it down to EntityConverter.java.
The create() never gets invoked
private ValueExpression<EntityManager> entityManager;
    private EntityConverterStore entityIdentifierStore;
    
    @Create
    public void create() {
        entityIdentifierStore = EntityConverterStore.instance();
        
    }
    

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