From jira-events at lists.jboss.org Tue May 25 12:07:55 2010
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From: Lincoln Baxter III (JIRA) <jira-events at lists.jboss.org>
To: seam-issues at lists.jboss.org
Subject: [seam-issues] [JBoss JIRA] Commented: (SEAMFACES-18) NPE when
 deploying an app with Seam Faces
Date: Tue, 25 May 2010 12:07:55 -0400
Message-ID: <484217336.3613.1274803675178.JavaMail.tomcat@jira02.app.mwc.hst.phx2.redhat.com>
In-Reply-To: 1461042493.3590.1274802834876.JavaMail.tomcat@jira02.app.mwc.hst.phx2.redhat.com

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    [ https://jira.jboss.org/browse/SEAMFACES-18?page=3Dcom.atlassian.jira.=
plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D12532360#a=
ction_12532360 ] =


Lincoln Baxter III commented on SEAMFACES-18:
---------------------------------------------

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2010, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.seam.faces.util;

import java.util.ArrayList;
import java.util.List;

import javax.enterprise.context.Dependent;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.InjectionTarget;
import javax.inject.Inject;

import org.jboss.seam.faces.component.FormValidationTypeOverrideExtension;

/**
 * A utility providing common functions to simply use of {@link BeanManager}
 * =

 * @author <a href=3D"mailto:lincolnbaxter(a)gmail.com>Lincoln Baxter, III<=
/a>
 * =

 */
public class BeanManagerUtils
{
   @Inject
   private BeanManager manager;

   @Inject
   FormValidationTypeOverrideExtension classExtension;

   /**
    * Perform @{@link Inject} on an object as if it were a bean managed by =
CDI.
    * =

    * @param instance
    */
   @SuppressWarnings("unchecked")
   public void injectNonContextualInstance(final Object instance)
   {
      if (instance !=3D null)
      {
         CreationalContext<Object> creationalContext =3D manager.createCrea=
tionalContext(null);
         InjectionTarget<Object> injectionTarget =3D (InjectionTarget<Objec=
t>) manager.createInjectionTarget(getAnnotatedType(instance));
         injectionTarget.inject(instance, creationalContext);
      }
   }

   private AnnotatedType<? extends Object> getAnnotatedType(final Object in=
stance)
   {
      AnnotatedType<?> result =3D null;
      if (classExtension.hasOverriddenType(instance.getClass()))
      {
         result =3D classExtension.getOverriddenType(instance.getClass());
      }
      else
      {
         result =3D manager.createAnnotatedType(instance.getClass());
      }
      return result;
   }

   @SuppressWarnings("unchecked")
   public <T> boolean isDependentScoped(final Class<T> type)
   {
      Bean<T> bean =3D (Bean<T>) manager.resolve(manager.getBeans(type));
      if (bean !=3D null)
      {
         return Dependent.class.equals(bean.getScope());
      }
      return false;
   }

   /**
    * Get a single CDI managed instance of a specific class. Return only the
    * first result if multiple beans are available.
    * =

    * @param type The class for which to return an instance.
    * @return The managed instance, or null if none could be provided.
    */
   @SuppressWarnings("unchecked")
   public <T> T getContextualInstance(final Class<T> type)
   {
      Bean<T> bean =3D (Bean<T>) manager.resolve(manager.getBeans(type));
      if (bean !=3D null)
      {
         CreationalContext<T> context =3D manager.createCreationalContext(b=
ean);
         T result =3D (T) manager.getReference(bean, type, context);
         return result;
      }
      return null;
   }

   /**
    * Get all CDI managed instances of a specific class. Return results in a
    * {@link List} in no specific order.
    * =

    * @param type The class for which to return instances.
    */
   @SuppressWarnings("unchecked")
   public <T> List<T> getContextualInstances(final Class<T> type)
   {
      List<T> result =3D new ArrayList<T>();
      for (Bean<?> bean : manager.getBeans(type))
      {
         CreationalContext<T> context =3D (CreationalContext<T>) manager.cr=
eateCreationalContext(bean);
         result.add((T) manager.getReference(bean, type, context));
      }
      return result;
   }
}


> NPE when deploying an app with Seam Faces
> -----------------------------------------
>
>                 Key: SEAMFACES-18
>                 URL: https://jira.jboss.org/browse/SEAMFACES-18
>             Project: Seam Faces
>          Issue Type: Bug
>          Components: JSF CDI Integration
>    Affects Versions: 3.0.0.Alpha2
>         Environment: Glassfish v3 on Fedora 12 with Sun Java 1.6 u20
>            Reporter: Brian Leathem
>
> I've developed an app using custom @ViewScoped and @FlashScoped annotatio=
ns (see: http://github.com/verborghs/jsf-cdi).  I swapped out the custom sc=
ope implementations with ones from the Seam3 project (changing the import s=
tatements accordingly).  On deploying the app, I get the NPE below.
> I'll work on creating a small test project to reproduce this error.
> java.lang.NullPointerException
>         at org.jboss.weld.BeanManagerImpl.getReference(BeanManagerImpl.ja=
va:980)
>         at org.jboss.seam.faces.util.BeanManagerUtils.getContextualInstan=
ce(BeanManagerUtils.java:69)
>         at org.jboss.seam.faces.environment.SeamApplicationWrapper.create=
Converter(SeamApplicationWrapper.java:77)
>         at com.sun.faces.facelets.tag.jsf.ConverterTagHandlerDelegateImpl=
.createConverter(ConverterTagHandlerDelegateImpl.java:148)
>         at com.sun.faces.facelets.tag.jsf.ConverterTagHandlerDelegateImpl=
.applyAttachedObject(ConverterTagHandlerDelegateImpl.java:118)
>         at javax.faces.view.facelets.FaceletsAttachedObjectHandler.applyA=
ttachedObject(FaceletsAttachedObjectHandler.java:91)
>         at com.sun.faces.facelets.tag.jsf.ConverterTagHandlerDelegateImpl=
.apply(ConverterTagHandlerDelegateImpl.java:73)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at com.sun.faces.facelets.tag.composite.ImplementationHandler.app=
ly(ImplementationHandler.java:74)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at com.sun.faces.facelets.compiler.NamespaceHandler.apply(Namespa=
ceHandler.java:86)
>         at com.sun.faces.facelets.compiler.EncodingHandler.apply(Encoding=
Handler.java:75)
>         at com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacele=
t.java:145)
>         at com.sun.faces.facelets.tag.jsf.CompositeComponentTagHandler.ap=
plyCompositeComponent(CompositeComponentTagHandler.java:342)
>         at com.sun.faces.facelets.tag.jsf.CompositeComponentTagHandler.ap=
plyNextHandler(CompositeComponentTagHandler.java:179)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at com.sun.faces.facelets.tag.composite.ImplementationHandler.app=
ly(ImplementationHandler.java:74)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at com.sun.faces.facelets.compiler.NamespaceHandler.apply(Namespa=
ceHandler.java:86)
>         at com.sun.faces.facelets.compiler.EncodingHandler.apply(Encoding=
Handler.java:75)
>         at com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacele=
t.java:145)
>         at com.sun.faces.facelets.tag.jsf.CompositeComponentTagHandler.ap=
plyCompositeComponent(CompositeComponentTagHandler.java:342)
>         at com.sun.faces.facelets.tag.jsf.CompositeComponentTagHandler.ap=
plyNextHandler(CompositeComponentTagHandler.java:179)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at com.sun.faces.facelets.tag.ui.DefineHandler.applyDefinition(De=
fineHandler.java:97)
>         at com.sun.faces.facelets.tag.ui.CompositionHandler.apply(Composi=
tionHandler.java:172)
>         at com.sun.faces.facelets.impl.DefaultFaceletContext$TemplateMana=
ger.apply(DefaultFaceletContext.java:386)
>         at com.sun.faces.facelets.impl.DefaultFaceletContext.includeDefin=
ition(DefaultFaceletContext.java:357)
>         at com.sun.faces.facelets.tag.ui.InsertHandler.apply(InsertHandle=
r.java:102)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHa=
ndler(DelegatingMetaTagHandler.java:120)
>         at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl=
.apply(ComponentTagHandlerDelegateImpl.java:204)
>         at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(Deleg=
atingMetaTagHandler.java:114)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at com.sun.faces.facelets.tag.jsf.core.ViewHandler.apply(ViewHand=
ler.java:149)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at com.sun.faces.facelets.compiler.NamespaceHandler.apply(Namespa=
ceHandler.java:86)
>         at javax.faces.view.facelets.CompositeFaceletHandler.apply(Compos=
iteFaceletHandler.java:91)
>         at com.sun.faces.facelets.compiler.EncodingHandler.apply(Encoding=
Handler.java:75)
>         at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFace=
let.java:301)
>         at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFace=
let.java:360)
>         at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFace=
let.java:339)
>         at com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacel=
et(DefaultFaceletContext.java:191)
>         at com.sun.faces.facelets.tag.ui.CompositionHandler.apply(Composi=
tionHandler.java:149)
>         at com.sun.faces.facelets.compiler.NamespaceHandler.apply(Namespa=
ceHandler.java:86)
>         at com.sun.faces.facelets.compiler.EncodingHandler.apply(Encoding=
Handler.java:75)
>         at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFace=
let.java:301)
>         at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFace=
let.java:360)
>         at com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFace=
let.java:339)
>         at com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacel=
et(DefaultFaceletContext.java:191)
>         at com.sun.faces.facelets.tag.ui.CompositionHandler.apply(Composi=
tionHandler.java:149)
>         at com.sun.faces.facelets.compiler.NamespaceHandler.apply(Namespa=
ceHandler.java:86)
>         at com.sun.faces.facelets.compiler.EncodingHandler.apply(Encoding=
Handler.java:75)
>         at com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacele=
t.java:145)
>         at com.sun.faces.application.view.FaceletViewHandlingStrategy.bui=
ldView(FaceletViewHandlingStrategy.java:716)
>         at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResp=
onsePhase.java:106)
>         at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
>         at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.jav=
a:139)
>         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
>         at org.apache.catalina.core.StandardWrapper.service(StandardWrapp=
er.java:1523)
>         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardW=
rapperValve.java:279)
>         at org.apache.catalina.core.StandardContextValve.invoke(StandardC=
ontextValve.java:188)
>         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipel=
ine.java:641)
>         at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
>         at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke=
(PESessionLockingStandardPipeline.java:85)
>         at org.apache.catalina.core.StandardHostValve.invoke(StandardHost=
Valve.java:185)
>         at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAd=
apter.java:332)
>         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdap=
ter.java:233)
>         at com.sun.enterprise.v3.services.impl.ContainerMapper.service(Co=
ntainerMapper.java:165)
>         at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask=
.java:791)
>         at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.jav=
a:693)
>         at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:=
954)
>         at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProt=
ocolFilter.java:170)
>         at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(Def=
aultProtocolChain.java:135)
>         at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolCh=
ain.java:102)
>         at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolCh=
ain.java:88)
>         at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolCha=
in.java:76)
>         at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainC=
ontextTask.java:53)
>         at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyConte=
xtTask.java:57)
>         at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
>         at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(Abstract=
ThreadPool.java:330)
>         at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThr=
eadPool.java:309)
>         at java.lang.Thread.run(Thread.java:619)

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