gistfile1.txt

feign.Response convertResponse(HttpURLConnection connection) throws IOException {
        int status = connection.getResponseCode();
        String reason = connection.getResponseMessage();

        Map<String, Collection<String>> headers = new LinkedHashMap<String, Collection<String>>();
        for (Map.Entry<String, List<String>> field : connection.getHeaderFields().entrySet()) {
            // response message
            if (field.getKey() != null)
                headers.put(field.getKey(), field.getValue());
        }

        Integer length = connection.getContentLength();
        if (length == -1)
            length = null;
        InputStream stream;
        if (status >= 400) {
            stream = connection.getErrorStream();
        } else {
            stream = connection.getInputStream();
        }

        Reader body;
        if (stream != null) {
            String string = CharStreams.toString(new InputStreamReader(stream, "UTF-8"));
            String fixed = string.replace("throw 'allowIllegalResourceCall is false.';", "");
            stream = new ByteArrayInputStream(fixed.getBytes());
            body = new InputStreamReader(stream);
        }
        else {
            body = null;
        }

        return feign.Response.create(status, reason, headers, body, length);
    }