[messages] [Technical Support & Bugs] Cannot start Vassal

[atzimler]

Hi,

One of the problems is that even with Java 8 installed, on macOS High
Sierra the launcher script does not find the correct Java Framework
location, because apple changed it a bit. As a result, the internet
plugin Java applet is found, which is part of the problem, because that
is not working.

In the /Applications/VASSAL.app/Contents/MacOS/VASSAL.sh file modify the
JAVA = line below the try Apple's Java 6 comment to the following:
JAVA="/System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java"

should solve the problem if java_home is listing that you only have Java
8 installed:
bash-3.2$ ./java_home -V
Matching Java Virtual Machines (1):
    1.8.0_162, x86_64:	"Java SE
8"	/Library/Java/JavaVirtualMachines/jdk1.8.0_162.jdk/Contents/Home

/Library/Java/JavaVirtualMachines/jdk1.8.0_162.jdk/Contents/Home

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