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    PersistenceContext is null after datasource hot deploy
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    created by <a href="http://community.jboss.org/people/ryandavid">David Visicchio</a> in <i>EJB3</i> - <a href="http://community.jboss.org/message/636103#636103">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hello,</p><p>I am using some EJB3 session stateless bean with hibernate JPA integration on JBoss 5.1.0 GA. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>The EJBs are packaged within a JAR (containing the persistence.xml and *.hbm.xml mapping files) and each EJB defines a Session object injected with @PersistenceContext annotation. All works fine.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>The problem raises when I try to make a hot deploy of the datasource. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>In this case I see that JBoss starts a new deployment of the datasource, of the persistence unit and the EJBs too but when I try to call an EJB I get a NullPointerException because the Session object wasn't injected.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>This is the persistence.xml</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;"><span>&lt;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>"</span></span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;"><span>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; 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>"</span></span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;"><span>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; 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_2_0.xsd" target="_blank">http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd</a><span>"</span></span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; version="2.0"&gt;&#160; </span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;">&#160;&#160;&#160;&#160; &#160;&#160;&#160;&#160;&#160;&lt;persistence-unit name="CFP-HibernateManager" transaction-type="JTA"&gt;</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;description&gt;Configurazione di JPA&lt;/description&gt;&#160;&#160;&#160; </span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;jta-data-source&gt;java:/jdbc/OracleCFP&lt;/jta-data-source&gt;&#160;&#160;&#160;&#160;&#160; </span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &#160;&#160;&#160;&#160;&#160;&lt;properties&gt;</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &#160;&#160;&#160;&#160;&#160;&lt;property name="hibernate.dialect" value="org.hibernate.dialect.Oracle9Dialect"/&gt;</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &lt;/properties&gt; </span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;">&#160;&#160;&#160;&#160; &#160;&#160;&#160;&#160;&#160;&lt;/persistence-unit&gt;&#160; </span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 8pt;">&lt;/persistence&gt;</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>and the following is snipped code of an EJB</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p><span style="font-size: 8pt;">public class AnnoEJB extends CFPHibernateImpl implements AnnoRemote {</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p><span style="font-size: 8pt;">&#160;&#160;&#160;&#160; &#160;&#160;&#160;&#160;&#160;@PersistenceContext(unitName="CFP-HibernateManager") </span></p><p><span style="font-size: 8pt;">&#160;&#160;&#160;&#160; &#160;&#160;&#160;&#160;&#160;private Session sx;</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>Any idea is appreciated.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>Thanks a lot</p></div>

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    <p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/636103#636103">going to Community</a></p>
        <p style="margin: 0;">Start a new discussion in EJB3 at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2029">Community</a></p>
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