When starting up elasticsearch on windows, I encountered the following issue:

> 
> \Java\jdk1.8.0\_171\bin\java.exe" -cp "!ES\_CLASSPATH!"
>  "org.elasticsearch.tools.l aunchers.JvmOptionsParser"
>  "!ES\_JVM\_OPTIONS!" || echo jvm\_options\_parser\_failed" `) was
>  unexpected at this time.
> 
> 
>