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  1. ,
    Expert tip

    Check if you've set a name in Application -> Run. If you didn't, the generated XML is gonna have missing information and then this exception will be thrown.

  2. ,

    You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

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EJB2.common.ejb.EJB2ModuleHomeHelper
java.lang.ClassNotFoundException: EJB2.common.ejb.EJB2ModuleHomeHelper	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)	at java.lang.ClassLoader.loadClass(ClassLoader.java:297)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)	at java.lang.ClassLoader.loadClass(ClassLoader.java:253)	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:120)	at oracle.aurora.jndi.sess_iiop.SessionCtx._activate(SessionCtx.java:66)	at oracle.aurora.jndi.sess_iiop.SessionCtx.activate(SessionCtx.java:304)	at oracle.aurora.jndi.sess_iiop.SessionCtx.activate(SessionCtx.java:298)	at oracle.jbo.client.remote.corba.aurora.AuroraApplicationModuleHome.initRemoteHome(AuroraApplicationModuleHome.java:161)	at oracle.jbo.client.remote.corba.aurora.AuroraApplicationModuleHome.init(AuroraApplicationModuleHome.java:75)	at oracle.jbo.client.remote.corba.aurora.AuroraInitialContext.createJboHome(AuroraInitialContext.java:47)	at oracle.jbo.common.JboInitialContext.lookup(JboInitialContext.java:72)	at javax.naming.InitialContext.lookup(InitialContext.java:350)	at oracle.jbo.jbotester.ConnectionInfo.connect(ConnectionInfo.java:227)	at oracle.jbo.jbotester.MainFrame.main(MainFrame.java:209)