createTableUnsafe/UnsatisfiedLinkError - Win Srv 2008 R2 SP1

I have installed Java 1.8.0_65, and downloaded the .ZIP file from the LogStash install page (https://download.elastic.co/logstash/logstash/logstash-2.1.0.zip), but I'm getting a "createTableUnsafe", "UnsatisfiedLinkError" when trying to execute the sample logstash command logstash -e "input { stdin { } } output { stdout { } }"

Has anyone else encountered anything similar when running on a Windows platform? Am I overlooking setting an environment variable perhaps?

C:\Users\Administrator\Downloads\logstash-2.1.0\logstash-2.1.0\bin>java -version

java version "1.8.0_65"
Java(TM) SE Runtime Environment (build 1.8.0_65-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.65-b01, mixed mode)

C:\Users\Administrator\Downloads\logstash-2.1.0\logstash-2.1.0\bin>path
PATH=C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windo
ws\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\frnroot;C:\frnro
ot\DLL;C:\Program Files (x86)\IBM\Client Access\Emulator;C:\Program Files (x86)
IBM\Client Access\Shared;C:\Program Files (x86)\IBM\Client Access\

C:\Users\Administrator\Downloads\logstash-2.1.0\logstash-2.1.0\bin>logstash -e "
input { stdin { } } output { stdout { } }"
StampedVariableAccessor.java:132:in createTableUnsafe': java.lang.UnsatisfiedLi nkError: sun/misc/Unsafe.putOrderedObject(Ljava/lang/Object;JLjava/lang/Object;) V from StampedVariableAccessor.java:97:insetVariable'
from StampedVariableAccessor.java:60:in set' from RubyBasicObject.java:1330:invariableTableStore'
from RubyBasicObject.java:1388:in setInternalVariable' from RubyStruct.java:207:innewInstance'
from Ruby.java:1496:in initCore' from Ruby.java:1303:inbootstrap'
from Ruby.java:1214:in init' from Ruby.java:334:innewInstance'
from Main.java:258:in internalRun' from Main.java:217:inrun'
from Main.java:197:in `main'