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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _search_solr(self, line):
 """Perform a SOLR search."""

        try:
            query_str = self._create_solr_query(line)
            client = d1_cli.impl.client.CLICNClient(
                **self._cn_client_connect_params_from_session()
            )
            object_list_pyxb = client.search(
                queryType=d1_common.const.DEFAULT_SEARCH_ENGINE,
                query=query_str,
                start=self._session.get(d1_cli.impl.session.START_NAME),
                rows=self._session.get(d1_cli.impl.session.COUNT_NAME),
            )
            d1_cli.impl.util.print_info(self._pretty(object_list_pyxb.toxml("utf-8")))
        except d1_common.types.exceptions.ServiceFailure as e:
            e = "%".join(str(e).splitlines())  # Flatten line
            regexp = re.compile(
                r"errorCode: (?P<error_code>\d+)%.*%Status code: (?P<status_code>\d+)"
            )
            result = regexp.search(e)
            if (
                (result is not None)
                and (result.group("error_code") == "500")
                and (result.group("status_code") == "400")
            ):  # noqa: E129
                result = re.search(
                    r"<b>description</b> <u>(?P<description>[^<]+)</u>", e
                )
                msg = re.sub(
                    "&([^;]+);",
                    lambda m: chr(html.entities.name2codepoint[m.group(1)]),
                    result.group("description"),
                )
                d1_cli.impl.util.print_info("Warning: %s" % msg)
            else:
                d1_cli.impl.util.print_error("Unexpected error:\n%s" % str(e))