@Override
    public String toString() {
        String name = ErrorCode.getName(code);
        return "[" +
               name + " @ " +
               (service != null ? service : "localhost") +
               "]: " + message;
    }
Returns whether or not this error is fatal, i.e. getCode() &gt;= ErrorCode.FATAL_ERROR.

@return True, if this error is fatal.
messagebus/src/main/java/com/yahoo/messagebus/Error.java