Domain prints WARNING with JDK10+ during start-up (XNIO illegal reflective access) ---------------------------------------------------------------------------------- Key: WFCORE-3988 URL: https://issues.jboss.org/browse/WFCORE-3988 Project: WildFly Core Issue Type: Bug Components: Management Reporter: Marek Kopecký Assignee: Jeff Mesnil Priority: Blocker Domain prints WARNING with JDK10+ during start-up (XNIO illegal reflective access) {noformat} [mkopecky@dhcp-10-40-4-197 bin]$ export JAVA_OPTS="--add-modules=java.se" [mkopecky@dhcp-10-40-4-197 bin]$ ./domain.sh JAVA_OPTS already set in environment; overriding default settings with values: --add-modules=java.se ========================================================================= JBoss Bootstrap Environment JBOSS_HOME: /home/mkopecky/playground/wf/wfly.29/wfly.29 JAVA: /home/mkopecky/base/jdk11_ea21_2018_08_01/bin/java JAVA_OPTS: -server --add-modules=java.se ========================================================================= 10:37:11,438 INFO [org.jboss.modules] (main) JBoss Modules version 1.8.5.Final 10:37:11,659 INFO [org.jboss.threads] (main) JBoss Threads version 2.3.2.Final ... [Host Controller] WARNING: An illegal reflective access operation has occurred [Host Controller] WARNING: Illegal reflective access by org.xnio.nio.NioXnio$2 (jar:file:/home/mkopecky/playground/wf/wfly.29/wfly.29/modules/system/layers/base/org/jboss/xnio/nio/main/xnio-nio-3.6.3.Final.jar!/) to constructor sun.nio.ch.EPollSelectorProvider() [Host Controller] WARNING: Please consider reporting this to the maintainers of org.xnio.nio.NioXnio$2 [Host Controller] WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations [Host Controller] WARNING: All illegal access operations will be denied in a future release {noformat}