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Ejb not found on http session timeout
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created by <a href="https://community.jboss.org/people/alexdev">Aliaksandr Stsiapanay</a> in <i>EJB3 Development</i> - <a href="https://community.jboss.org/message/761124#761124">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi everybody!</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have a problem of getting ejb local reference in Http session listener in method #sessionDestroyed(HttpSessionEvent)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>There is code snippet below:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>@WebListener</em></p><p><em>public class SessionCleanUpListener implements HttpSessionListener {</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>    /**</em></p><p><em>     * @see HttpSessionListener#sessionCreated(HttpSessionEvent)</em></p><p><em>     */</em></p><p><em>    public void sessionCreated(HttpSessionEvent arg0) {</em></p><p><em>    }</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>    /**</em></p><p><em>     * @see HttpSessionListener#sessionDestroyed(HttpSessionEvent)</em></p><p><em>     */</em></p><p><em>    public void sessionDestroyed(HttpSessionEvent arg0) {</em></p><p><em>        ServiceLocator.getInstance().getWorkflowMessageManagerBean().removeNotPersistentItems(arg0.getSession().getId());</em></p><p><em>    }</em>    </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>}</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>ServiceLocator is a utility class to obtain ejb reference.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>public class ServiceLocator {</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>    private final static String JNDI_NAME_WORKFLOW_MESSAGE_MANAGER_BEAN = "java:app/EDI_EJB/WorkflowMessageManagerBean";</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>    private final static ServiceLocator SERVICE_LOCATOR = new ServiceLocator();</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>    private final Context context;</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>    private ServiceLocator() {</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>        try {</em></p><p><em>            context = new InitialContext();</em></p><p><em>        } catch (NamingException e) {</em></p><p><em>            throw new RuntimeException(e);</em></p><p><em>        }</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>    }</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>    public static ServiceLocator getInstance() {</em></p><p><em>        return SERVICE_LOCATOR;</em></p><p><em>    }</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>    public WorkflowMessageManagerBeanLocal getWorkflowMessageManagerBean() {</em></p><p><em>        try {</em></p><p><em>            return (WorkflowMessageManagerBeanLocal) context.lookup(JNDI_NAME_WORKFLOW_MESSAGE_MANAGER_BEAN);</em></p><p><em>        } catch (NamingException e) {</em></p><p><em>            throw new RuntimeException(e);</em></p><p><em>        }        </em></p><p><em>    }</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>}</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When session timeout is triggered I got following exception in jboss console:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>13:39:52,179 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/edi]] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) Session event listener threw exception: java.lang.RuntimeException: javax.naming.NameNotFoundException: java:app/EDI_EJB/WorkflowMessageManagerBean</p><p> at com.nvcm.edi.web.factory.ServiceLocator.getWorkflowMessageManagerBean(ServiceLocator.java:82) [classes(inlove)</p><p> at com.nvcm.edi.web.listener.SessionCleanUpListener.sessionDestroyed(SessionCleanUpListener.java:26) [classes(inlove)</p><p> at org.apache.catalina.session.StandardSession.expire(StandardSession.java:690) [jbossweb-7.0.13.Final.jar(inlove)</p><p> at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:585) [jbossweb-7.0.13.Final.jar(inlove)</p><p> at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:390) [jbossweb-7.0.13.Final.jar(inlove)</p><p> at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:375) [jbossweb-7.0.13.Final.jar(inlove)</p><p> at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1316) [jbossweb-7.0.13.Final.jar(inlove)</p><p> at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601) [jbossweb-7.0.13.Final.jar(inlove)</p><p> at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610) [jbossweb-7.0.13.Final.jar(inlove)</p><p> at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610) [jbossweb-7.0.13.Final.jar(inlove)</p><p> at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590) [jbossweb-7.0.13.Final.jar(inlove) </p><p> at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_05]</p><p>Caused by: javax.naming.NameNotFoundException: java:app/EDI_EJB/WorkflowMessageManagerBean</p><p> at org.jboss.as.naming.InitialContext.lookup(InitialContext.java:121)</p><p> at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:214)</p><p> at javax.naming.InitialContext.lookup(Unknown Source) [rt.jar:1.7.0_05]</p><p> at com.nvcm.edi.web.factory.ServiceLocator.getWorkflowMessageManagerBean(ServiceLocator.java:80) [classes(inlove)</p><p> ... 11 more</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>We use Java 1.6, jboss-as-7.1.1.Final, Ejb 3 on our project.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Please any help?</p></div>
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