embulkをWindowsのJava9-eaで動かしたら

gistfile1.txt

2017-02-27T17:30:12.651+09:00 [main] ERROR JavaProxyClassFactory : could not use ClassLoader.defineClass method
java.lang.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @569cfc36
        at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(Unknown Source)
        at java.base/java.lang.reflect.Method.checkCanSetAccessible(Unknown Source)
        at java.base/java.lang.reflect.Method.setAccessible(Unknown Source)
        at org.jruby.javasupport.proxy.JavaProxyClassFactory$1.run(JavaProxyClassFactory.java:219)
        at org.jruby.javasupport.proxy.JavaProxyClassFactory$1.run(JavaProxyClassFactory.java:212)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at org.jruby.javasupport.proxy.JavaProxyClassFactory.<clinit>(JavaProxyClassFactory.java:212)
        at org.jruby.javasupport.proxy.JavaProxyClass.<clinit>(JavaProxyClass.java:89)
        at org.jruby.javasupport.Java.createJavaModule(Java.java:163)
        at org.jruby.javasupport.Java.load(Java.java:103)
        at org.jruby.runtime.load.LoadService.reflectedLoad(LoadService.java:588)
        at org.jruby.ext.LateLoadingLibrary.load(LateLoadingLibrary.java:48)
        at org.jruby.runtime.load.LibrarySearcher$FoundLibrary.load(LibrarySearcher.java:34)
        at org.jruby.runtime.load.LoadService.tryLoadingLibraryOrScript(LoadService.java:885)
        at org.jruby.runtime.load.LoadService.smartLoadInternal(LoadService.java:525)
        at org.jruby.runtime.load.LoadService.require(LoadService.java:396)
        at org.jruby.ext.jruby.JRubyLibrary.load(JRubyLibrary.java:57)
        at org.jruby.runtime.load.LoadService.reflectedLoad(LoadService.java:588)
        at org.jruby.ext.LateLoadingLibrary.load(LateLoadingLibrary.java:48)
        at org.jruby.runtime.load.LibrarySearcher$FoundLibrary.load(LibrarySearcher.java:34)
        at org.jruby.runtime.load.LoadService.tryLoadingLibraryOrScript(LoadService.java:885)
        at org.jruby.runtime.load.LoadService.smartLoadInternal(LoadService.java:525)
        at org.jruby.runtime.load.LoadService.require(LoadService.java:396)
        at org.jruby.Ruby.init(Ruby.java:1284)
        at org.jruby.Ruby.newInstance(Ruby.java:341)
        at org.jruby.Main.internalRun(Main.java:281)
        at org.jruby.Main.run(Main.java:242)
        at org.jruby.Main.main(Main.java:204)
        at org.embulk.cli.Main.main(Main.java:23)
NameError: uninitialized constant FFI::Platform
       const_missing at org/jruby/RubyModule.java:3346
  <module:Constants> at uri:classloader:/jruby/kernel/file.rb:16
       <module:File> at uri:classloader:/jruby/kernel/file.rb:14
    <module:Windows> at uri:classloader:/jruby/kernel/file.rb:13
              <main> at uri:classloader:/jruby/kernel/file.rb:12
                load at org/jruby/RubyKernel.java:974
              <main> at file:/C:/Users/hishidama/.embulk/bin/embulk.bat!/jruby/kernel.rb:1