HTTP2 w/ Spring Boot + Undertow
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src polish Aug 21, 2015
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README.md Add link to jetty version fixes #4 Jun 13, 2016
alpn-boot-8.1.8.v20160420.jar
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README.md

HTTP2 w/ Spring Boot + Undertow

$ mvn clean package -Dmaven.test.skip=true
$ java -Xbootclasspath/p:./alpn-boot-8.1.8.v20160420.jar -jar target/demo-0.0.1-SNAPSHOT.jar

Go https://localhost:8443

$ curl --http2 -k -v https://localhost:8443
* Rebuilt URL to: https://localhost:8443/
*   Trying ::1...
* Connected to localhost (::1) port 8443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* Cipher selection: ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
* successfully set certificate verify locations:
*   CAfile: /usr/local/etc/openssl/cert.pem
  CApath: none
* TLSv1.2 (OUT), TLS header, Certificate Status (22):
* TLSv1.2 (OUT), TLS handshake, Client hello (1):
* TLSv1.2 (IN), TLS handshake, Server hello (2):
* TLSv1.2 (IN), TLS handshake, Certificate (11):
* TLSv1.2 (IN), TLS handshake, Server key exchange (12):
* TLSv1.2 (IN), TLS handshake, Server finished (14):
* TLSv1.2 (OUT), TLS handshake, Client key exchange (16):
* TLSv1.2 (OUT), TLS change cipher, Client hello (1):
* TLSv1.2 (OUT), TLS handshake, Finished (20):
* TLSv1.2 (IN), TLS change cipher, Client hello (1):
* TLSv1.2 (IN), TLS handshake, Finished (20):
* SSL connection using TLSv1.2 / ECDHE-RSA-AES128-GCM-SHA256
* ALPN, server accepted to use h2
* Server certificate:
* 	 subject: C=Unknown; ST=Unknown; L=Unknown; O=Unknown; OU=Unknown; CN=localhost
* 	 start date: 2014-07-23 19:48:43 GMT
* 	 expire date: 2014-10-21 19:48:43 GMT
* 	 issuer: C=Unknown; ST=Unknown; L=Unknown; O=Unknown; OU=Unknown; CN=localhost
* 	 SSL certificate verify result: self signed certificate (18), continuing anyway.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x7fab0b002000)
> GET / HTTP/1.1
> Host: localhost:8443
> User-Agent: curl/7.44.0
> Accept: */*
> 
* http2_recv: 16384 bytes buffer at 0x7fab0b002930 (stream 1)
* http2_recv: 16384 bytes buffer at 0x7fab0b002930 (stream 1)
* http2_recv: 16384 bytes buffer at 0x7fab0b002930 (stream 1)
* http2_recv: returns 115 for stream 1
< HTTP/2.0 200
< content-type:text/plain;charset=UTF-8
< content-length:6
< date:Fri, 21 Aug 2015 14:19:52 GMT
< 
* Connection #0 to host localhost left intact

Reference