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restful webservice with ejb anotation @PersistenceContext
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created by <a href="https://community.jboss.org/people/ronny.ron">ronny ron</a> in <i>JNDI and Naming</i> - <a href="https://community.jboss.org/message/809402#809402">View the full discussion</a>
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<div class="jive-rendered-content"><p>hello im trying to create a resful application with ejb annotations</p><p>but the persistenceContext is always null when entering the websevice</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>the web.xml looks like this:</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><web-app xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" rel="nofollow" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>" xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/javaee" rel="nofollow" target="_blank">http://java.sun.com/xml/ns/javaee</a><span>" xmlns:web="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" rel="nofollow" target="_blank">http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd</a><span>" xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/javaee" rel="nofollow" target="_blank">http://java.sun.com/xml/ns/javaee</a><span> </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" rel="nofollow" target="_blank">http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd</a><span>" id="WebApp_ID" version="3.0"></span></span>
  <span class="jive-xml-tag"><display-name></span>WebServiceTest<span class="jive-xml-tag"></display-name></span>
                    <span class="jive-xml-tag"><context-param></span>
        <span class="jive-xml-tag"><param-name></span>resteasy.scan<span class="jive-xml-tag"></param-name></span>
        <span class="jive-xml-tag"><param-value></span>false<span class="jive-xml-tag"></param-value></span>
<span class="jive-xml-tag"></context-param></span>
<span class="jive-xml-tag"><context-param></span>
        <span class="jive-xml-tag"><param-name></span>resteasy.scan.resources<span class="jive-xml-tag"></param-name></span>
        <span class="jive-xml-tag"><param-value></span>false<span class="jive-xml-tag"></param-value></span>
<span class="jive-xml-tag"></context-param></span>
<span class="jive-xml-tag"><context-param></span>
        <span class="jive-xml-tag"><param-name></span>resteasy.scan.providers<span class="jive-xml-tag"></param-name></span>
        <span class="jive-xml-tag"><param-value></span>false<span class="jive-xml-tag"></param-value></span>
<span class="jive-xml-tag"></context-param></span>
<span class="jive-xml-tag"><servlet></span>
    <span class="jive-xml-tag"><servlet-name></span>Jersey REST Service<span class="jive-xml-tag"></servlet-name></span>
    <span class="jive-xml-tag"><servlet-class></span>com.sun.jersey.spi.container.servlet.ServletContainer<span class="jive-xml-tag"></servlet-class></span>
    <span class="jive-xml-tag"><init-param></span>
      <span class="jive-xml-tag"><param-name></span>com.sun.jersey.config.property.packages<span class="jive-xml-tag"></param-name></span>
      <span class="jive-xml-tag"><param-value></span>test<span class="jive-xml-tag"></param-value></span>
    <span class="jive-xml-tag"></init-param></span>
    <span class="jive-xml-tag"><load-on-startup></span>1<span class="jive-xml-tag"></load-on-startup></span>
  <span class="jive-xml-tag"></servlet></span>
  <span class="jive-xml-tag"><servlet-mapping></span>
    <span class="jive-xml-tag"><servlet-name></span>Jersey REST Service<span class="jive-xml-tag"></servlet-name></span>
    <span class="jive-xml-tag"><url-pattern></span>/rest/*<span class="jive-xml-tag"></url-pattern></span>
  <span class="jive-xml-tag"></servlet-mapping></span>
  <span class="jive-xml-tag"><persistence-context-ref></span>
        <span class="jive-xml-tag"><persistence-context-ref-name></span>test.Services/manager<span class="jive-xml-tag"></persistence-context-ref-name></span>
        <span class="jive-xml-tag"><persistence-unit-name></span>MyPersistenceUnit<span class="jive-xml-tag"></persistence-unit-name></span>
    <span class="jive-xml-tag"></persistence-context-ref></span>
 
<span class="jive-xml-tag"></web-app></span>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>the persistence.xml:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8"?></p><p><span><persistence version="2.0" xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" rel="nofollow" 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" rel="nofollow" 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" rel="nofollow" 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_2_0.xsd" rel="nofollow" target="_blank">http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd</a><span>"></span></p><p>  <persistence-unit name="MyPersistenceUnit"></p><p>              <jta-data-source>java:/jboss/myds</jta-data-source></p><p>       <properties> </p><p>                   <property name="hibernate.hbm2ddl.auto"/>  </p><p>                              <!--value set to update will keep the DB between deployments--></p><p>                              <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/mtm_schema"/></p><p>                              <property name="javax.persistence.jdbc.user" value="root"/></p><p>                              <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/></p><p>                              <property name="javax.persistence.jdbc.password" value="admin"/></p><p>  </p><p>                     </properties></p><p>          </persistence-unit></p><p></persistence></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>the class which provides the webservices:  Services.java begin like this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>@Produces(MediaType.APPLICATION_JSON) </p><p>@Path("/service")</p><p>@Stateless</p><p>public class Services implements ServicesInterface{</p><p>  </p><p>          @PersistenceContext(name = "MyPersistenceUnit",   </p><p>                              type=PersistenceContextType.TRANSACTION)</p><p>    private EntityManager manager;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>and while entering anytype of webservice function, the entitymanager called manager is null.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>project structure is as follows: <a href="https://community.jboss.org/servlet/JiveServlet/showImage/2-809402-20665/eclispe.jpg"><span> https://community.jboss.org/servlet/JiveServlet/downloadImage/2-809402-20665/450-240/eclispe.jpg </span></a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>can anyone help me with this please?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>thanks in advance, Ronny.</p></div>
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