Universal Media Server | Forum

I found this earlier thread from January 2014, http://www.universalmediaserver.com/forum/viewtopic.php?f=9&t=1568&p=9311&hilit=x64#p9311

Per the suggestions in the thread, I've been playing around with setting the heap size by creating a system variable "_JAVA_OPTION" and setting it to "-Xmx768 ...

I'm still trying to figure out why UMS isn't starting.

Is this really an unsupported java version problem as the error messages say below?
x64 or x86 version of Java doesn't seem to make much difference.

C:\Program Files (x86)\Universal Media Server>java -showversion -classpath ums.jar net.pms ...

UMS version 3.6.0. I didn't specifically download the 64-bit version, so my Java version must be 32-bit.

edit: I've tried launching it from command line:

i.e. C:\Program Files\Universal Media Server> java -jar ums.jar

Exception in thread "main" java.lang.UnsupportedClassVersionError: net/pms/PMS ...

I've just installed UMS for the first time on this machine: Win 7 x64 SP1, current Windows patches, AMD Phenom X2, 8GB RAM

When launching for the first time, I got this dialog:

https://24.media.tumblr.com/4290703ecdf4e66d60fa21980a076c0d/tumblr_n56c03LGlG1rsw1e6o1_400.jpg

I've tried updating ...