Gatling now has its own HTTP client and no longer uses AsyncHttpClient, so this library is no longer shipped. If you’ve been using it, you’ll need to pull it explicitly, or switch to another HTTP client library.
baseURL was renamed into baseUrl
baseURLs was renamed into baseUrls and is now sticky for a given virtual user
silentURI was renamed into silentUri
asJSON was renamed into asJson
asXML was renamed into asXml
WebSocket and SSE support were completely re-written, see new API.
ntmlAuth is dropped until we can support NTLM properly, see gatling#3525
The way to compute HTTP request signatures was revamped, see new API
disableClientSharing was dropped. It’s not possible atm to specify individual keystore and trustore for each virtual user. However, each virtual user has a distinct SSLContext.
Debugging: in your configuration file logback.xml the following needs updating from: <logger name="io.gatling.http.response" level="TRACE" /> to: <logger name="io.gatling.http.engine.response" level="TRACE" />. A full example file can be found here
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