[hudson@rhel7-large-9887 bin]$ java --version
java 9.0.4
Java(TM) SE Runtime Environment (build 9.0.4+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)
[hudson@rhel7-large-9887 bin]$ 

[hudson@rhel7-large-9887 bin]$ ./jboss-cli.sh "echo test"
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.jboss.logmanager.LogManager$2 (jar:file:/home/hudson/hudson_workspace/workspace/early-testing-scripts-unix/9774dccf/wildfly/modules/system/layers/base/org/jboss/logmanager/main/jboss-logmanager-2.0.9.Final.jar!/) to constructor java.util.logging.Level$KnownLevel(java.util.logging.Level)
WARNING: Please consider reporting this to the maintainers of org.jboss.logmanager.LogManager$2
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
test
[hudson@rhel7-large-9887 bin]$ 

[hudson@rhel7-large-9887 bin]$ ./add-user.sh -u test4 -p Test123* -s
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.jboss.logmanager.LogManager$2 (jar:file:/home/hudson/hudson_workspace/workspace/early-testing-scripts-unix/9774dccf/wildfly/modules/system/layers/base/org/jboss/logmanager/main/jboss-logmanager-2.0.9.Final.jar!/) to constructor java.util.logging.Level$KnownLevel(java.util.logging.Level)
WARNING: Please consider reporting this to the maintainers of org.jboss.logmanager.LogManager$2
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[hudson@rhel7-large-9887 bin]$ cat ../standalone/configuration/mgmt-users.properties  | tail -n 1
test4=a95aa9d159b7afe0cc9d3795061551ad
[hudson@rhel7-large-9887 bin]$

[hudson@rhel7-large-9887 bin]$ ./appclient.sh -v
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.jboss.logmanager.LogManager$2 (jar:file:/home/hudson/hudson_workspace/workspace/early-testing-scripts-unix/9774dccf/wildfly/modules/system/layers/base/org/jboss/logmanager/main/jboss-logmanager-2.0.9.Final.jar!/) to constructor java.util.logging.Level$KnownLevel(java.util.logging.Level)
WARNING: Please consider reporting this to the maintainers of org.jboss.logmanager.LogManager$2
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
06:11:52,205 INFO  [org.jboss.modules] (main) JBoss Modules version 1.7.0.Final
WildFly Full 13.0.0.Alpha1-SNAPSHOT (WildFly Core 4.0.0.Final)
[hudson@rhel7-large-9887 bin]$