Illegal reflective access using Netty with openjdk-11 (docker + vertx 3.6.0)

Hi all! I’ll open that issue, I hope you guys could fix it 😉 Tell me if you need more details. Enjoy,

Expected behavior

No warning about illegal reflective access

Actual behavior

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by io.netty.resolver.dns.DefaultDnsServerAddressStreamProvider (file:/opt/ig/lib/netty-resolver-dns-4.1.30.Final.jar) to method sun.net.dns.ResolverConfiguration.open()
WARNING: Please consider reporting this to the maintainers of io.netty.resolver.dns.DefaultDnsServerAddressStreamProvider
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release

Steps to reproduce

The application I used is based on vertx-web 3.6.0. When docker images starts up, the warnings are displayed.

Netty version

4.1.30.Final.jar

JVM version (e.g. java -version)

openjdk version “11.0.2” 2019-01-15 OpenJDK Runtime Environment (build 11.0.2+9-Debian-3bpo91) OpenJDK 64-Bit Server VM (build 11.0.2+9-Debian-3bpo91, mixed mode)

OS version (e.g. uname -a)

Linux a1c4824fa6a8 4.20.11-100.fc28.x86_64 #1 SMP Wed Feb 20 15:51:24 UTC 2019 x86_64 GNU/Linux

[normanmaurer]

We recently fixed another one as part of 4.1.41.Final

Am 22.09.2019 um 02:18 schrieb Vitaly Kravchenko [e-mail]:

Still an issue with Netty 4.1.39.Final used by latest vertx.

— You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub, or mute the thread.

[yay]

Still an issue with Netty 4.1.39.Final used by latest vertx.