question: public boolean checkArguments ( List arguments ) { boolean validArgs = true ; if ( arguments != null && arguments . size ( ) > 0 ) { String specifiedArgs = formatArgs ( arguments ) ; Debug . log ( "MigrateHandler: invalid argument(s) specified - " + specifiedArgs ) ; printConsoleMessage ( LOC_HR_MSG_INVALID_OPTION , new Object [ ] { specifiedArgs } ) ; validArgs = false ; } return validArgs ; }
target:  to make sure that migrate has no additional parameter.