d to get a connection to
                              the EIS instance. Examples of
                              error cases are:
          <UL>
          <LI> Invalid specification of input parameters
          <LI> Invalid configuration of ManagedConnectionFactory--
               example: invalid server name
          <LI> Application server-internal error--example:
               connection pool related error
          <LI> Communication error 
          <LI> EIS-specific error--example: EIS not activ