webstart can't run RMI application: jdk.javaws does not export com.sun.jnlp to module java.rmi


#### Java Web Start Error:
#### java.lang.IllegalAccessError: class JavawsArtifactsAPI (in unnamed module @0xb111bde) cannot access class com.sun.javaws.jnl.LaunchDescFactory (in module jdk.javaws) because module jdk.javaws does not export com.sun.javaws.jnl to unnamed module @0xb111bde
java.lang.IllegalAccessError: class JavawsArtifactsAPI (in unnamed module @0xb111bde) cannot access class com.sun.javaws.jnl.LaunchDescFactory (in module jdk.javaws) because module jdk.javaws does not export com.sun.javaws.jnl to unnamed module @0xb111bde
at JavawsArtifactsAPI.test(JavawsArtifactsAPI.java:63)
at JavawsArtifactsAPI.main(JavawsArtifactsAPI.java:139)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@9-ea/Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@9-ea/NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9-ea/DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(java.base@9-ea/Method.java:533)
at com.sun.javaws.Launcher.executeApplication(jdk.javaws@9-ea/Launcher.java:1736)
at com.sun.javaws.Launcher.executeMainClass(jdk.javaws@9-ea/Launcher.java:1671)
at com.sun.javaws.Launcher.doLaunchApp(jdk.javaws@9-ea/Launcher.java:1519)
at com.sun.javaws.Launcher.run(jdk.javaws@9-ea/Launcher.java:156)
at java.lang.Thread.run(java.base@9-ea/Thread.java:843)


Affected test:
RULE JavawsRegressionTest::testJnlpArtifactsAPI any any