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EntityManager is null, i can´t injected
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created by <a href="http://community.jboss.org/people/esgoru">esgoru</a> in <i>EJB3</i> - <a href="http://community.jboss.org/message/610052#610052">View the full discussion</a>
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<div class="jive-rendered-content"><p>i try using EntityManager, but i can´t instanced, i use tomcat v6.0 and mysql 4.1, i use hibernate and spring. my config archives is:</p><p>jeveris-light-persistence.xml in web/scr/main/resources</p><pre class="jive-pre"><code class="jive-code jive-java"><?xml version=<font color="red">"1.0"</font> encoding=<font color="red">"UTF-8"</font>?>
<persistence xmlns=<font color="red">"http://java.sun.com/xml/ns/persistence"</font>
   xmlns:xsi=<font color="red">"http://www.w3.org/2001/XMLSchema-instance"</font>
   xsi:schemaLocation=<font color="red">"http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"</font>
   version=<font color="red">"1.0"</font>>
 
 
   <persistence-unit name=<font color="red">"test"</font> transaction-type=<font color="red">"RESOURCE_LOCAL"</font>>
           <provider>org.hibernate.ejb.HibernatePersistence</provider>
 
 
          <jar-file>j-everis-ejb.jar</jar-file>
      <properties>
<property name=<font color="red">"hibernate.dialect"</font> value=<font color="red">"org.hibernate.dialect.MySQLDialect"</font> />
            <property name=<font color="red">"hibernate.connection.driver_class"</font> value=<font color="red">"com.mysql.jdbc.Driver"</font> />
 
 
         <property name=<font color="red">"hibernate.hbm2ddl.auto"</font> value=<font color="red">"update"</font>/>
          <property name=<font color="red">"hibernate.connection.username"</font> value=<font color="red">"root"</font>/>
         <property name=<font color="red">"hibernate.connection.password"</font> value=<font color="red">"jeveris"</font>/>
         <property name=<font color="red">"hibernate.connection.url"</font> value=<font color="red">"jdbc:mysql://localhost:3306/bankeveris"</font>/>
       </properties>
   </persistence-unit>
</persistence>
</code></pre><p>jeveris-ligth-persistence.xml in ejb/scr/main/resource/meta-inf</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-xml"><span class="jive-xml-tag"><?xml version="1.0" encoding="UTF-8"?></span>
<span class="jive-xml-tag"><span><persistence xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span>"
   xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>"
   xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span> </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd</a><span>"
   version="1.0"></span></span>
   <span class="jive-xml-tag"><persistence-unit name="test" transaction-type="RESOURCE_LOCAL"></span>
           <span class="jive-xml-tag"><provider></span>org.hibernate.ejb.HibernatePersistence<span class="jive-xml-tag"></provider></span>
      <span class="jive-xml-tag"><properties></span>
<span class="jive-xml-tag"><property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" /></span>
            <span class="jive-xml-tag"><property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" /></span>
         <span class="jive-xml-tag"><property name="hibernate.hbm2ddl.auto" value="update"/></span>
         <span class="jive-xml-tag"><property name="hibernate.connection.username" value="root"/></span>
         <span class="jive-xml-tag"><property name="hibernate.connection.password" value="jeveris"/></span>
         <span class="jive-xml-tag"><property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/bankeveris"/></span>
      <span class="jive-xml-tag"></properties></span>
   <span class="jive-xml-tag"></persistence-unit></span>
<span class="jive-xml-tag"></persistence></span>
</code></pre><p>persistence.xml  in ejb/scr/main/resource/meta-inf</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-xml"><span class="jive-xml-tag"><?xml version="1.0" encoding="UTF-8"?></span>
<span class="jive-xml-tag"><span><persistence xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span>"
xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>"
xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span>
</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd</a><span>" version="1.0"></span></span>
    <span class="jive-xml-tag"><persistence-unit name ="j-everis-2.0"></span>
                 <span class="jive-xml-comment"><!-- jboss' default data source -->
                    <span class="jive-xml-tag"><provider></span>org.hibernate.ejb.HibernatePersistence<span class="jive-xml-tag"></provider></span>
               
              
 
                  <span class="jive-xml-tag"><jta-data-source></span>java:/jdbc/jeveris<span class="jive-xml-tag"></jta-data-source></span>
          
 
 
               <span class="jive-xml-tag"><properties></span>
              
                                        <span class="jive-xml-tag"><property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" /></span>
                                          <span class="jive-xml-tag"><property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" /></span>      
                                        <span class="jive-xml-tag"><property name="hibernate.hbm2ddl.auto" value="update"/></span>
                                        <span class="jive-xml-tag"><property name="hibernate.show_sql" value="true"/></span>
                                        <!-- Para evitar problemas con JBOSS --></span>
                                        <span class="jive-xml-tag"><property name="hibernate.query.factory_class" value="org.hibernate.hql.classic.ClassicQueryTranslatorFactory"/></span>
                    <span class="jive-xml-tag"></properties></span>
       
    <span class="jive-xml-tag"></persistence-unit></span>
 
<span class="jive-xml-tag"></persistence></span>
</code></pre><p>clienteDaoImpl.java</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>package</b></font> com.bankeveris.dao;
 
 
<font color="navy"><b>import</b></font> java.util.List;
 
 
<font color="navy"><b>import</b></font> javax.ejb.Local;
<font color="navy"><b>import</b></font> javax.ejb.Stateless;
<font color="navy"><b>import</b></font> javax.persistence.EntityManager;
<font color="navy"><b>import</b></font> javax.persistence.Persistence;
 
 
<font color="navy"><b>import</b></font> org.springframework.stereotype.Service;
 
 
<font color="navy"><b>import</b></font> com.bankeveris.model.Cliente;
 
 
@Stateless
@Local(ClienteDao.class)
@Service
<font color="navy"><b>public</b></font> <font color="navy"><b>class</b></font> ClienteDaoImpl <font color="navy"><b>implements</b></font> ClienteDao <font color="navy">{</font>
    
          <font color="darkgreen">/** Entity Manager */</font>
          @PersistenceContext
          <font color="navy"><b>private</b></font> EntityManager entityManager; 
 
 
                    @SuppressWarnings(<font color="red">"unchecked"</font>)
                    <font color="navy"><b>public</b></font> List<Cliente> findAllCliente() <font color="navy">{</font>
                              System.out.println(<font color="red">"Dao: Accediendo a BBDD...."</font>);
                              <font color="navy"><b>return</b></font> (List<Cliente>)entityManager.createNamedQuery(<font color="red">"findAllCliente"</font>).getResultList();
                    <font color="navy">}</font>
 
 
                    <font color="navy"><b>public</b></font> Cliente findCliente(<font color="navy"><b>int</b></font> noCli) <font color="navy">{</font>
                              Cliente cli= (Cliente)entityManager.createNamedQuery(<font color="red">"findCliente"</font>).setParameter(<font color="red">"nCli"</font>, noCli).getSingleResult();
                              System.out.println(<font color="red">"Cliente name: "</font> + cli.getNombre());
                              <font color="navy"><b>return</b></font> cli;
                    <font color="navy">}</font>
 
<font color="navy">}</font>
 
</code></pre><p>when i do debugging, i have a one error, when i use entityManager in this line</p><table><tbody><tr><td style=";"> </td><td style=";"><br/></td><td style=";"><br/></td><td style=";">Cliente cli= (Cliente)entityManager.createNamedQuery("findCliente").setParameter("nCli", noCli).getSingleResult();</td></tr></tbody></table><p>it´s the error</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code">02882 [http-8080-1] WARN  com.jeveris.pl.navigation.executor.NavigationController  - Spring-defined bean not found for action service: com.bankeveris.flujo1DemoBankeveris.Service2F1. Instantiating brand-new action service...
902913 [http-8080-1] INFO  com.jeveris.pl.navigation.model.ActionService  - Before executing ActionService: com.bankeveris.flujo1DemoBankeveris.Service2F1|flowInstanceId: 5317681774297516717|flowId: Flujo1DemoBankeveris|lastNodeId: BuscarCliente|requiredTransitionId: mandarDatos|nextNodeId: BuscarDatos|containerId: container_1
902913 [http-8080-1] DEBUG com.jeveris.pl.context.beans.FlowScope  - view root: org.ajax4jsf.component.AjaxViewRoot@66bb78
902913 [http-8080-1] DEBUG com.jeveris.pl.context.beans.FlowScope  - attributes: javax.faces.component.UIComponentBase$AttributesMap@b8a9dd16
java.lang.NullPointerException
          at com.bankeveris.dao.ClienteDaoImpl.findCliente(ClienteDaoImpl.java:47)
          at com.bankeveris.service.ServiceClienteImpl.cliente(ServiceClienteImpl.java:29)
          at com.bankeveris.flujo1DemoBankeveris.Service2F1.execute(Service2F1.java:43)
          at com.jeveris.pl.navigation.model.ActionService.service(ActionService.java:41)
          at com.jeveris.pl.navigation.executor.NavigationController.processNavigation(NavigationController.java:149)
          at com.jeveris.pl.navigation.jsfintegration.PLNavigationHandler.handleNavigation(PLNavigationHandler.java:108)
          at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:130)
          at javax.faces.component.UICommand.broadcast(UICommand.java:387)
          at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321)
          at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296)
          at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253)
          at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:466)
          at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
          at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
          at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
          at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
          at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:100)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
          at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177)
          at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:267)
          at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380)
          at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
          at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
          at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
          at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
          at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
          at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
          at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
          at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
          at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
          at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
          at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
          at java.lang.Thread.run(Thread.java:595)
906366 [http-8080-1] ERROR com.jeveris.pl.navigation.executor.NavigationController  - Handle error for exception id=1308037940595: java.lang.NullPointerException
906382 [http-8080-1] ERROR com.jeveris.pl.navigation.executor.NavigationController  - Flow information for exception id=1308037940595: flowInstanceId: 5317681774297516717|flowId: Flujo1DemoBankeveris|lastNodeId: BuscarCliente|requiredTransitionId: mandarDatos|nextNodeId: BuscarDatos|containerId: container_1
906382 [http-8080-1] ERROR com.jeveris.pl.navigation.executor.NavigationController  - Go to error flow
906382 [http-8080-1] INFO  com.jeveris.pl.navigation.executor.NavigationHelper  - Access to node errorService in flow error for resource com.jeveris.pl.core.services.ErrorService is granted
906397 [http-8080-1] INFO  com.jeveris.pl.navigation.executor.NavigationHelper  - Flow started|flowInstanceId: 3810207644419029423|flowId: error|lastNodeId: null|requiredTransitionId: init|nextNodeId: errorService|containerId: container_1
906444 [http-8080-1] DEBUG com.jeveris.pl.navigation.executor.NavigationController  - Searching for spring-defined bean errorService
906444 [http-8080-1] WARN  com.jeveris.pl.businesslogic.control.BusinessLogicCaller  - Service (spring bean) with id errorService was not found. Returning null reference
906460 [http-8080-1] WARN  com.jeveris.pl.navigation.executor.NavigationController  - Spring-defined bean not found for action service: com.jeveris.pl.core.services.ErrorService. Instantiating brand-new action service...
906460 [http-8080-1] INFO  com.jeveris.pl.navigation.model.ActionService  - Before executing ActionService: com.jeveris.pl.core.services.ErrorService|flowInstanceId: 3810207644419029423|flowId: error|lastNodeId: null|requiredTransitionId: init|nextNodeId: errorService|containerId: container_1
906476 [http-8080-1] INFO  MONITOR  - PLResource: com.jeveris.pl.core.services.ErrorService; Time: 0; Active Flow Info: flowInstanceId: 3810207644419029423|flowId: error|lastNodeId: null|requiredTransitionId: init|nextNodeId: errorService|containerId: container_1
906491 [http-8080-1] INFO  com.jeveris.pl.navigation.model.ActionService  - Transition received: jeveris:end from ActionService: com.jeveris.pl.core.services.ErrorService|flowInstanceId: 3810207644419029423|flowId: error|lastNodeId: null|requiredTransitionId: init|nextNodeId: errorService|containerId: container_1
</code></pre><p>I do conect hardcode with driverManager.getConection(), and It is good, i think this error is in configure archives.</p><p>Please i need held.</p></div>
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