AsciiDoc Plugin 오류

java.util.ServiceConfigurationError: org.asciidoctor.Asciidoctor: Provider org.asciidoctor.jruby.internal.JRubyAsciidoctor could not be instantiated
    at java.util.ServiceLoader.fail(ServiceLoader.java:232)
    at java.util.ServiceLoader.access$100(ServiceLoader.java:185)
    at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:384)
    at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
    at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
    at org.asciidoctor.Asciidoctor$Factory.create(Asciidoctor.java:475)
    at org.asciidoc.intellij.AsciiDoc.initWithExtensions(AsciiDoc.java:123)
    at org.asciidoc.intellij.AsciiDoc.render(AsciiDoc.java:285)
    at org.asciidoc.intellij.AsciiDoc.render(AsciiDoc.java:280)
    at org.asciidoc.intellij.editor.AsciiDocPreviewEditor$2.run(AsciiDocPreviewEditor.java:124)
    at org.asciidoc.intellij.editor.LazyApplicationPoolExecutor$1.run(LazyApplicationPoolExecutor.java:59)
    at com.intellij.openapi.application.impl.ApplicationImpl$1.run(ApplicationImpl.java:311)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
.....
unknown encoding name - MS949

IDE 에러 이벤트 로그에 다음과 같은 Exception 로그와 

"unknown encoding name - MS949"

메시지가 출력 되며 asciidoc plugin 이 작동하지 않는 경우.

"C:\Program Files\JetBrains\IntelliJ IDEA 2019.1\bin\idea64.exe.vmoptions"

파일을 열어 마지막 줄에 다음 내용을 추가 한뒤 IDE 를 재시작 하면 된다.

"-Dfile.encoding=UTF-8"