Vertx WebClient fails to proccess JsonEvent stream (wait for Vert.x to fix)

Overview:

The functionality of streaming of jsons via http is used in mod-oai-pmh.

For vert.x 3.9.1 is works well.

After migration to vert.x 4.0.2 it fails on big ammount of data ethier using HttpClient or WebClient.

The documentation for this functionality is: https://vertx.io/docs/vertx-web-client/java/#_decoding_responses

This approach is used for WebClient: 

Steps to Reproduce:
Make a request to any env and you will receive the next message with 500 error - http://okapi-bugfest-honeysuckle.folio.ebsco.com:443/inventory-hierarchy/updated-instance-ids?deletedRecordSupport=true&skipSuppressedFromDiscoveryRecords=true
Expected Results:
Normal response
Actual Results:
Error