hope to support HTTP2.0

[bit4woo]

when response use HTTP/2.0 or HTTP/2, can't get body\code correctly. It seems that the JDK don't support HTTP2. I have try same code with JDK8 and JDK16, both show errors. Can you help? Thanks!

HTTP/2 201 Created
Server: SGW
Date: Mon, 19 Jul 2021 11:54:24 GMT
Content-Type: application/json
Content-Length: 154
Allow: GET, POST, HEAD, OPTIONS
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-Xss-Protection: 1; mode=block
Vary: Cookie

Exception in thread "main" com.github.kevinsawicki.http.HttpRequest$HttpRequestException: java.io.IOException: Invalid Http response
at com.github.kevinsawicki.http.HttpRequest.stream(HttpRequest.java:1859)
at com.github.kevinsawicki.http.HttpRequest.buffer(HttpRequest.java:1844)
at com.github.kevinsawicki.http.HttpRequest.body(HttpRequest.java:1764)
at toElastic.VMP.upload(VMP.java:60)
at toElastic.VMP.isApiOk(VMP.java:72)
at toElastic.VMP.main(VMP.java:80)
Caused by: java.io.IOException: Invalid Http response
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
at java.base/sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:2035)
at java.base/sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:2030)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:554)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:2029)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1597)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1577)
at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:224)
at com.github.kevinsawicki.http.HttpRequest.stream(HttpRequest.java:1857)
... 5 more
Caused by: java.io.IOException: Invalid Http response
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1695)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1577)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:3206)
at java.base/java.net.URLConnection.getHeaderFieldInt(URLConnection.java:613)
at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getHeaderFieldInt(HttpsURLConnectionImpl.java:396)
at com.github.kevinsawicki.http.HttpRequest.intHeader(HttpRequest.java:2180)
at com.github.kevinsawicki.http.HttpRequest.intHeader(HttpRequest.java:2164)
at com.github.kevinsawicki.http.HttpRequest.contentLength(HttpRequest.java:2560)
at com.github.kevinsawicki.http.HttpRequest.byteStream(HttpRequest.java:1744)
at com.github.kevinsawicki.http.HttpRequest.body(HttpRequest.java:1762)
... 3 more