throw new EJBException("Cannot get JNDI InitialContext");
throw new RemoteException("Cannot get JNDI InitialContext");
  public void setSessionContext(SessionContext sessionContext) throws RemoteException  {    this.sessionContext = sessionContext;    if (dataSource == null)    {      // Finds DataSource from JNDI      Context initialContext = null;      try      {        initialContext = new InitialContext();         dataSource = (DataSource)initialContext.lookup("java:comp/env/jdbc/rubis");      }      catch (Exception e)       {        throw new EJBException("Cannot get JNDI InitialContext");      }    }  }