4 Replies Latest reply on Jul 13, 2015 3:41 AM by Martin Kouba

    how  to inject EntityManager in CDI(weld)?

    Eason Chia Newbie

      In my project , i use JSF+JPA+CDI+WildFly 8.2, in the persistence layer, i hava a BasicDao , like this:

      public  class BasicDao<M, K>{
        private org.jboss.logging.Logger logger = org.jboss.logging.Logger
        .getLogger("BasicDao");
      
        @Inject
        @Primary
        protected EntityManager em;
        Class<M> mclass;
      
        public EntityManager getEm() {
        return em;
        }
      
      
        public void setEm(EntityManager em) {
        this.em = em;
        }
      
      
        @Transactional(value=TxType.NOT_SUPPORTED)
        public M find(K id){ 
        return em.find(mclass, id);
        }
      
        @Transactional(value=TxType.REQUIRED)
        public void insert(M inst){
        this.em.persist(inst);
        }
      
        @SuppressWarnings("unchecked")
        @Transactional(value=TxType.REQUIRED)
        public K insertWithAutoId(M inst){
        this.em.persist(inst);
        return (K) this.em.getEntityManagerFactory().getPersistenceUnitUtil().getIdentifier(inst);
        }
      
        @Transactional(value=TxType.REQUIRED)
        public M update(M updated){
        return this.em.merge(updated);
        }
      
      
        @Transactional(value=TxType.REQUIRED)
        public void delete(M nonUsed){
        this.em.remove(nonUsed);
        }
      }
      

       

      and the other Daos like this :

      public class XxxDao extends BasicDao<User, Integer>{
      
      .....
      }
      
      

      In my ManageredBean,the code likes this:

       

      @Inject
      private UserDao userDao;
      

       

      but.it often throws Exception, not always, i was very confused. The ExceptionStack like this:

      09:50:59,945 FATAL [javax.enterprise.resource.webcontainer.jsf.context] (default task-27) JSF1073:在 RENDER_RESPONSE 6 的处理过程中捕捉到 com.sun.faces.mgbean.ManagedBeanCreationException:UIComponent-ClientId=,Message=对受管 bean resumeAudit 执行资源注入 (resource injection) 时发生错误
      09:50:59,946 FATAL [javax.enterprise.resource.webcontainer.jsf.context] (default task-27) 对受管 bean resumeAudit 执行资源注入 (resource injection) 时发生错误: com.sun.faces.mgbean.ManagedBeanCreationException: 对受管 bean resumeAudit 执行资源注入 (resource injection) 时发生错误
        at com.sun.faces.mgbean.BeanBuilder.invokePostConstruct(BeanBuilder.java:227) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:103) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:409) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:257) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:117) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:116) [javax.el-3.0.1-b05.jar:]
        at com.sun.el.parser.AstValue.getBase(AstValue.java:151) [javax.el-3.0.1-b05.jar:]
        at com.sun.el.parser.AstValue.getValue(AstValue.java:200) [javax.el-3.0.1-b05.jar:]
        at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:226) [javax.el-3.0.1-b05.jar:]
        at org.jboss.weld.el.WeldValueExpression.getValue(WeldValueExpression.java:50) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.el.WeldValueExpression.getValue(WeldValueExpression.java:50) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at javax.faces.component.UIOutput.getValue(UIOutput.java:174) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:205) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:355) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.renderkit.html_basic.LabelRenderer.encodeBegin(LabelRenderer.java:120) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:864) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:302) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.renderkit.html_basic.GridRenderer.renderRow(GridRenderer.java:185) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.renderkit.html_basic.GridRenderer.encodeChildren(GridRenderer.java:129) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:889) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1856) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at javax.faces.render.Renderer.encodeChildren(Renderer.java:176) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:889) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1856) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:456) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:133) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219) [jsf-impl-2.2.8-jbossorg-1.jar:]
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:647) [jboss-jsf-api_2.2_spec-2.2.8.jar:2.2.8]
        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at com.wangyin.hzcrp.auth.AuthFilter.doFilter(AuthFilter.java:109) [classes:]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:61) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:56) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:45) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:63) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:70) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:261) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:247) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:76) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:166) [undertow-servlet-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.server.Connectors.executeRootHandler(Connectors.java:197) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:759) [undertow-core-1.1.0.Final.jar:1.1.0.Final]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_75]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_75]
        at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_75]
      Caused by: com.sun.faces.spi.InjectionProviderException: java.lang.IllegalStateException: JBAS011048: Failed to construct component instance
        at org.jboss.as.jsf.injection.JSFInjectionProvider.invokePostConstruct(JSFInjectionProvider.java:63) [wildfly-jsf-injection-8.2.0.Final.jar:8.2.0.Final]
        at com.sun.faces.mgbean.BeanBuilder.invokePostConstruct(BeanBuilder.java:221) [jsf-impl-2.2.8-jbossorg-1.jar:]
        ... 70 more
      Caused by: java.lang.IllegalStateException: JBAS011048: Failed to construct component instance
        at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:162)
        at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:133)
        at org.jboss.as.ee.component.BasicComponent.createInstance(BasicComponent.java:100)
        at org.jboss.as.ee.component.ComponentRegistry$ComponentManagedReferenceFactory.getReference(ComponentRegistry.java:171)
        at org.jboss.as.ee.component.ComponentRegistry.createInstance(ComponentRegistry.java:87)
        at org.jboss.as.web.common.WebInjectionContainer.newInstance(WebInjectionContainer.java:77)
        at org.jboss.as.jsf.injection.JSFInjectionProvider.invokePostConstruct(JSFInjectionProvider.java:61) [wildfly-jsf-injection-8.2.0.Final.jar:8.2.0.Final]
        ... 71 more
      Caused by: org.jboss.weld.exceptions.WeldException: WELD-000049: Unable to invoke public void com.wangyin.hzcrp.controller.ResumeAudit.init() on com.wangyin.hzcrp.controller.ResumeAudit@628e5ac9
        at org.jboss.weld.injection.producer.DefaultLifecycleCallbackInvoker.invokeMethods(DefaultLifecycleCallbackInvoker.java:100) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.injection.producer.DefaultLifecycleCallbackInvoker.postConstruct(DefaultLifecycleCallbackInvoker.java:81) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.injection.producer.BasicInjectionTarget.postConstruct(BasicInjectionTarget.java:126) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.injection.producer.BeanInjectionTarget.postConstruct(BeanInjectionTarget.java:70) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.as.weld.deployment.processors.WeldComponentIntegrationProcessor$3.run(WeldComponentIntegrationProcessor.java:196) [wildfly-weld-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.as.weld.deployment.processors.WeldComponentIntegrationProcessor$AbstractInjectionTargetDelegatingInterceptor.processInvocation(WeldComponentIntegrationProcessor.java:260) [wildfly-weld-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)
        at org.jboss.as.weld.injection.WeldInjectionInterceptor.processInvocation(WeldInjectionInterceptor.java:53) [wildfly-weld-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)
        at org.jboss.as.ee.component.AroundConstructInterceptorFactory$1.processInvocation(AroundConstructInterceptorFactory.java:28)
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)
        at org.jboss.as.weld.injection.WeldInterceptorInjectionInterceptor.processInvocation(WeldInterceptorInjectionInterceptor.java:56) [wildfly-weld-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)
        at org.jboss.as.weld.injection.WeldInjectionContextInterceptor.processInvocation(WeldInjectionContextInterceptor.java:43) [wildfly-weld-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)
        at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) [wildfly-ee-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)
        at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64)
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)
        at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:326)
        at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80)
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)
        at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
        at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:160)
        ... 77 more
      Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_75]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_75]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_75]
        at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_75]
        at org.jboss.weld.injection.producer.DefaultLifecycleCallbackInvoker.invokeMethods(DefaultLifecycleCallbackInvoker.java:98) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        ... 100 more
      Caused by: java.lang.IllegalArgumentException: Can not set javax.persistence.EntityManager field com.wangyin.hzcrp.storage.dao.BasicDao.em to com.wangyin.hzcrp.storage.dao.ResumeDao$Proxy$_$$_WeldSubclass
        at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:164) [rt.jar:1.7.0_75]
        at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:168) [rt.jar:1.7.0_75]
        at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(UnsafeFieldAccessorImpl.java:55) [rt.jar:1.7.0_75]
        at sun.reflect.UnsafeObjectFieldAccessorImpl.set(UnsafeObjectFieldAccessorImpl.java:75) [rt.jar:1.7.0_75]
        at java.lang.reflect.Field.set(Field.java:741) [rt.jar:1.7.0_75]
        at org.jboss.weld.injection.FieldInjectionPoint.inject(FieldInjectionPoint.java:94) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.util.Beans.injectBoundFields(Beans.java:370) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.util.Beans.injectFieldsAndInitializers(Beans.java:381) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.injection.producer.ResourceInjector$1.proceed(ResourceInjector.java:70) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.injection.InjectionContextImpl.run(InjectionContextImpl.java:48) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.injection.producer.ResourceInjector.inject(ResourceInjector.java:72) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.injection.producer.BasicInjectionTarget.inject(BasicInjectionTarget.java:121) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.bean.ManagedBean.create(ManagedBean.java:150) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.context.AbstractContext.get(AbstractContext.java:96) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.bean.proxy.ContextBeanInstance.getInstance(ContextBeanInstance.java:98) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:78) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
        at com.wangyin.hzcrp.storage.dao.ResumeDao$Proxy$_$$_WeldClientProxy.find(Unknown Source) [crp-storage-1.0.0-SNAPSHOT.jar:]
        at com.wangyin.hzcrp.controller.ResumeAudit.init(ResumeAudit.java:81) [classes:]
        ... 105 more
      

       

      Can someone help me ? Thanks a million.

        • 2. Re: how  to inject EntityManager in CDI(weld)?
          Martin Kouba Master

          Hi,

           

          could you please attach a simple reproducer or minimal application? And what's the source of com.wangyin.hzcrp.controller.ResumeAudit and com.wangyin.hzcrp.storage.dao.ResumeDao? It would be also helpful if you provide some more information about the situation in which the exception occurs.

          • 3. Re: how  to inject EntityManager in CDI(weld)?
            Eason Chia Newbie

            Hi Martin, thanks for answering,here is my code:

             

             

            @RequestScoped

            public class ResumeDao extends BasicDao<Resume, Integer>{

              @SuppressWarnings("unchecked")

              public Resume findById(int id){

              Query query = this.em.createQuery("select r from Resume r where r.id=:id");

              List<Resume> resumes = (List<Resume>)query.setParameter("id", id).getResultList();

              return resumes.isEmpty()?null:resumes.get(0);

              }

              @SuppressWarnings("unchecked")

              public Resume findBySourceId(String sourceId){

              Query query = this.em.createQuery("select r from Resume r where r.sourceId=:sourceId");

              List<Resume> resumes = (List<Resume>)query.setParameter("sourceId", sourceId).getResultList();

              return resumes.isEmpty()?null:resumes.get(0);

              }

            }

             

            @ManagedBean

            @ViewScoped

            public class ResumeAudit implements Serializable {

             

             

              @Inject

              private ResumeDao resumeDao;

              @Inject

              private ResumeHrDeptDao resumeHrDeptDao;

             

             

              private Resume resume;

                     

                 .......

            }

             

            i hope you can help me.

            • 4. Re: how  to inject EntityManager in CDI(weld)?
              Martin Kouba Master

              You should not mix JSF managed beans and CDI beans (annotations in the package javax.faces.bean will be deprecated anyway). So first I would try to replace @ManagedBean with @RequestScoped and javax.faces.bean.ViewScoped with javax.faces.view.ViewScoped.