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Coral Notes


For ALL Users

Installing Java

You will need to have Java 8 installed. Go to http://java.com and follow the instructions for installing Java 8.

Java Security Settings

After Java is installed, you willl need to add the Coral server as a trusted site. This is due to a certificate incompatibility.

For Mac:

Click on the Apple menu in the top left corner of your screen and go to System Preferences. Next click on Java. This will open a new preference window for the Java settings.

For Windows:

Go to the Control Panel->Java settings.

For All:

In the Java Control Panel, click on Security. Click on the Edit Site List... button. Next, click on Add and enter http://reef.ecn.purdue.edu and click OK.

Click on OK.

This completes the Java security settings you will need to make.

OS X Security & Privacy Settings

After clicking the Start Coral link from the Coral homepage, you may be prompted with a security warning like this:

If you receive a similar message, click on the Apple menu in the top left corner and go to System Preferences. Go to the Security & Privacy preferences. Under General, click on "Open Anyway".

After Coral has run for the first time, it will create an icon on your desktop to relaunch it in the future. This can be copied to your Applications folder (to launch from Launchpad) or left on your desktop. You will not need to use the Start Coral link from the Coral homepage unless you remove this desktop icon.


  • Coral requires that Java be installed on your computer. Java may be downloaded from the Sun/Oracle Java SE Download website.
  • You must now use your career account username and password. Your old Coral password will no longer work.
  • To access Coral from off campus, you must use the Purdue VPN.
  • Coral Startup Instructions
  • If you are having trouble running Coral on a Sunray:
    • Run javaws from the command line.
    • Go to the Edit menu and select Preferences.
    • Go to the Java tab and click on the View button in the Java Application Runtime Settings.
    • Click on the Find button and navigate to /opt/java and click Next. Select the item in the list with "current" in the path, and click Next.
    • Click OK.
    • Click OK.
    • Go to the File menu and select Exit
    • Next, you need to configure the proper Java Web Start that Firefox uses.
    • Click on Start Coral above.
    • A dialog box asking you how to open the file will appear. Make sure "Open with" is selected, and click the drop down box next to it.
    • Click on Other.
    • Navigate to /opt/java/current/bin/javaws, and click the Open button.
    • Click OK.
    • You should only need to do this once.

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