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Re: lookup a session bean inside a servlet
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created by <a href="http://community.jboss.org/people/bertoz84">stefano bertozzi</a> in <i>JNDI and Naming</i> - <a href="http://community.jboss.org/message/603644#603644">View the full discussion</a>
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<div class="jive-rendered-content"><p>one step ahead!</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I created the .ear ( EARShop ) that "uses" both the .jar ( BookShop ) and the .war ( WebShop ).</p><p>I removed the .jar from the WEB-INF/lib inside the .war ( because during .ear deploy there was a duplicate name error ); to include my beans in my web project i simply added under its properties, to the JavaBuildPath/Projects, my BookShop project.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>now while deploying the .ear i can read this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>12:37:25,110 INFO  [org.jboss.ejb3.proxy.impl.jndiregistrar.JndiSessionRegistrarBase] Binding the following Entries in Global JNDI:</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> <em> </em> </p><p><em>  EARShop/AccessoUtente/local - EJB3.x Default Local Business Interface</em></p><p><em>          EARShop/AccessoUtente/local-bookshop.library.sessionbean.AccessoUtenteLocal - EJB3.x Local Business Interface</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>12:37:25,113 INFO  [org.jboss.ejb3.session.SessionSpecContainer] Starting jboss.j2ee:ear=EARShop.ear,jar=BookShop.jar,name=Carrello,service=EJB3</em></p><p><em>12:37:25,114 INFO  [org.jboss.ejb3.EJBContainer] STARTED EJB: bookshop.library.sessionbean.Carrello ejbName: Carrello</em></p><p><em>12:37:25,118 INFO  [org.jboss.ejb3.proxy.impl.jndiregistrar.JndiSessionRegistrarBase] Binding the following Entries in Global JNDI:</em></p><p><em>  </em></p><p><em>  EARShop/Carrello/local - EJB3.x Default Local Business Interface</em></p><p><em>          EARShop/Carrello/local-bookshop.library.sessionbean.CarrelloLocal - EJB3.x Local Business Interface</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>12:37:25,120 INFO  [org.jboss.ejb3.session.SessionSpecContainer] Starting jboss.j2ee:ear=EARShop.ear,jar=BookShop.jar,name=OperazioniLibri,service=EJB3</em></p><p><em>12:37:25,121 INFO  [org.jboss.ejb3.EJBContainer] STARTED EJB: bookshop.library.sessionbean.OperazioniLibri ejbName: OperazioniLibri</em></p><p><em>12:37:25,125 INFO  [org.jboss.ejb3.proxy.impl.jndiregistrar.JndiSessionRegistrarBase] Binding the following Entries in Global JNDI:</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>          EARShop/OperazioniLibri/local - EJB3.x Default Local Business Interface</em></p><p><em>          EARShop/OperazioniLibri/local-bookshop.library.sessionbean.OperazioniLibriLocal - EJB3.x Local Business Interface</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>12:37:25,125 WARN  [org.jboss.ejb3.TimerServiceContainer] EJBTHREE-2193: using deprecated TimerServiceFactory for restoring timers</em></p><p><em>12:37:25,127 INFO  [org.jboss.ejb3.session.SessionSpecContainer] Starting jboss.j2ee:ear=EARShop.ear,jar=BookShop.jar,name=BookTestBean,service=EJB3</em></p><p><em>12:37:25,128 INFO  [org.jboss.ejb3.EJBContainer] STARTED EJB: bookshop.test.BookTestBean ejbName: BookTestBean</em></p><p><em>12:37:25,133 INFO  [org.jboss.ejb3.proxy.impl.jndiregistrar.JndiSessionRegistrarBase] Binding the following Entries in Global JNDI:</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>          EARShop/BookTestBean/remote - EJB3.x Default Remote Business Interface</em></p><p><em>          EARShop/BookTestBean/remote-bookshop.test.BookTestBeanRemote - EJB3.x Remote Business Interface</em></p><p><em>          EARShop/BookTestBean/local - EJB3.x Default Local Business Interface</em></p><p><em>          EARShop/BookTestBean/local-bookshop.test.BookTestBeanLocal - EJB3.x Local Business Interface</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>12:37:25,134 WARN  [org.jboss.ejb3.TimerServiceContainer] EJBTHREE-2193: using deprecated TimerServiceFactory for restoring timers</em></p><p><em>12:37:25,135 INFO  [org.jboss.ejb3.session.SessionSpecContainer] Starting jboss.j2ee:ear=EARShop.ear,jar=BookShop.jar,name=OperazioniUtenti,service=EJB3</em></p><p><em>12:37:25,136 INFO  [org.jboss.ejb3.EJBContainer] STARTED EJB: bookshop.library.sessionbean.OperazioniUtenti ejbName: OperazioniUtenti</em></p><p><em>12:37:25,138 INFO  [org.jboss.ejb3.proxy.impl.jndiregistrar.JndiSessionRegistrarBase] Binding the following Entries in Global JNDI:</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em>          EARShop/OperazioniUtenti/local - EJB3.x Default Local Business Interface</em></strong></p><p><strong><em>          EARShop/OperazioniUtenti/local-bookshop.library.sessionbean.OperazioniUtentiLocal - EJB3.x Local Business Interface</em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>12:37:25,139 WARN  [org.jboss.ejb3.TimerServiceContainer] EJBTHREE-2193: using deprecated TimerServiceFactory for restoring timers</em></p><p><em>12:37:25,147 INFO  [org.jboss.web.tomcat.service.deployers.TomcatDeployment] deploy, ctxPath=/WebShop</em></p><p><em>12:37:47,745 INFO  [STDOUT] interface bookshop.library.sessionbean.OperazioniUtentiLocal</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>that means i should lookup my ejbs with this name:</p><p>          <em>EARShop/OperazioniUtenti/local</em></p><p>( EAR_NAME/bean/local, not JAR_NAME/bean/local );</p><p>i tried it and i found out that it doesn't work; instead it works if i use: </p><p><em>          EARShop/OperazioniUtenti/local-bookshop.library.sessionbean.OperazioniUtentiLocal</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Why are there 2 jndi binding, non-default and default, and here i need to use the default while testing my .jar i use the non-default?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>A problem however still persist in the lookup procedure:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>opUser = (OperazioniUtenti) context.lookup("EARShop/OperazioniUtenti/local-bookshop.library.sessionbean.OperazioniUtentiLocal");</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>12:37:47,753 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/WebShop].[somethingServlet]] Servlet.service() for servlet somethingServlet threw exception: java.lang.ClassCastException: $Proxy330 cannot be cast to bookshop.library.sessionbean.OperazioniUtenti</em></p><p><em>          at webinterface.servlet.somethingServlet.doPost(somethingServlet.java:50) [:]</em></p><p><em>          at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [:1.0.0.Final]</em></p><p>bla bla bla</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Do you know how to solve it?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thank you a lot and sorry for bothering you so much!!!</p></div>
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