I am getting a new MacBook built to order tomorrow. It's going to come with Yosemite and I am going to need to install Java on it in order to be able to run cgoban and get onto KGS.

I don't have a clue about how to go about doing this.

Has anyone installed Java on Yosemite and gotten cgoban to work? I look at the Java pages and my brain hurts.

Luckily I still have an iMac with Mavericks on it and I can get to KGS on that machine, but I want to set up the new MacBook to be my primary machine and use the old iMac as a monitor.

Any help would be appreciated.

Terri

Mac OS comes already with some outdated java version. Best way I've found (mildly insecure, but hey, not as bad as many other solutions) is to download the .jar file (opening the jnlp file of cgoban with a text editor you can find the location of it) and run cgoban from a terminal with java -jar cgoban.jar You'll even have sound...

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Geek of all trades, master of none: the motto for my blog mostlymaths.net

I have Yosemite installed, and I haven't had any problems
with Java or cgoban. I did install a pretty recent version
of Java, since I don't trust the ancient one that comes with
OS X to be securely up to date.

If you go to http://java.com/en/download/manual.jsp and
click through the warnings to get java 8 u25 (you want
something like jre-8u25-macosx-x64.dmg) you can install that
as usual. More recent than u25 should be fine too if that's
available, but you do not want anything older than u25. You
could also install jdk-<the same>, but I doubt you need that.
With that installed cgoban works the same for me as it always
has -- including the sound being broken unless you do what
RBerenguel suggests. (EDIT: And the KGS update that just happened
seems to have fixed this issue)

The biggest issue I've had with Yosemite is that PDF
rendering on non-retina displays is horrible (they
broke the anti-aliasing), so if you are buying a MacBook
Air and actually care about reading PDFs, I might wait
until 10.10.1 at least to buy.

I'm sorry to bump this but it seems that 10.10.4 has broken something. Every time I get to the register section it freezes and must be force quit. Unfortunately I let my id expire and now can't register for KGS to even play. Not sure what to do at this point. I'm literally shut off from any way of playing this game.

With this I can’t help you … I run OS X 10.10.4, and CGoban runs perfectly here, but TBH, I don’t know what exactly I did right. I had to do a clean install of OS X recently, though, and I installed Java from java.com and the standalone CGoban.

Uhm, no, definitely not “from any way to play the game” — I invite you to visit OGS (Online Go Server, online-go.com) and play Go simply in your browser window, no Java required since it’s pure HTML5.

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“The only difference between me and a madman is that I’m not mad.” — Salvador Dali ★ Play a slooooow correspondence game with me on OGS?