Apple OS Mavericks: Java may need to be reinstalled

After the upgrade / installation to Mavericks, any versions of Java that were previously installed on the machine will be lost, and will have to be re-installed in order to run Alice 3. See the following page for instructions to install Java in OS X.

Installing Java for Mac OS X

Apple OS Mavericks Installation Notes - "unidentified developer" error message

OS X Mavericks uses a feature initiated in OS 10.8 (Mountain Lion),  Gatekeeper that prevents some downloaded apps from being opened. This is most frequently encountered when trying to install Alice, or run Alce for the first time after installing Mavericks, and an error message is displayed. To allow a downloaded app to run, change the Gatekeeper option by going to Apple menu > System Preferences… > Security & Privacy > General tab and then changing the “Allow applications downloaded from:” option to “Anywhere”

When you select this option, you will receive the following warning message:

If you are reluctant to permanently alter the security setting of your machine, you can allow the application to open the first time by control-clicking and selecting Open. This should be a one-time operation. Alice should subsequently launch with out incident. 

Also note that this behavior has not been seen on all installations of Mountain Lion.

For more information, please visit:http://support.apple.com/kb/HT5290

Add an object generates  "No capabilities to set transparency attributes" error message.

Download the latest version of Alice, then delete your .alice2 folder from your user directory C:/users/<username> (Windows), or your Home directory (OS X and Linux) and try loading Alice again. Alice is trying to render the objects using the Java 3D renderer rather than the default DirectX or JOGL renderer.

I cannot see Alice installer after download.

Go to Finder: Preferences and make sure that you have these settings…

If you do have these settings, download the Universal .zip version by right-clicking on the download link, saving it to your desktop and unzip it. This is a complete Alice package, not an installer, and you should be able to move it to any location on your system.

Alice 2.x needs Java legacy edition in order to run 

Go to the following link at apple and download this older security update for Java.  Upon reboot, you should be able to launch Alice 2.3 and 2.4 just fine. 

http://support.apple.com/kb/DL1572

Thanks to Kevin R. Schanely, Network Administrator, Mount Saint Joseph Academy, Flourtown, PA for this solution.

Copyright

Go to Alice.org home page