Empty string is a valid HTTP request body, doon't filter it out.
@@ -204,9 +204,7 @@ final class HttpRequestMapper {
request.setBody((byte[]) content);
} else if (content instanceof String) {
final String contentString = (String) content;
- if (!contentString.isEmpty()) {
request.setBody(contentString);
- }
} else {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
this.serdeAdapter.serialize(content,
