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Clearing Your Java Cache

Clearing the Java Plug-in cache forces the browser to load the latest versions of web pages and programs. 

Windows XP, Windows 7


  1. Click Start > Control Panel.
  2. Double-click the Java icon in the control panel. 
    The Java Control Panel appears.
Java Control Panel

  1. Click Settings under Temporary Internet Files. 
    The Temporary Files Settings dialog box appears. 
Temporary Files Settings dialog box

  1. Click Delete Files
    The Delete Temporary Files dialog box appears.
Delete Temporary Files dialog box

  1. Click OK on Delete Temporary Files window. 
    Note: This deletes all the Downloaded Applications and Applets from the cache.
  2. Click OK on Temporary Files Settings window. 
    Note: If you want to delete a specific application and applet from the cache, click on View Application and View Applet options respectively. 

Mac OS X

Under Mac OS X, clearing the Java cache is a function of a separate application called "Java Prefences". You should use the Finder to locate this application and double-click on it to begin clearing Java cache.

1. Click on the Finder icon in the Dock to switch to the Finder (or use Alt+Tab to switch to the Finder).

mac_dock

 

2. Locate the Java Preferences application and launch it.

To locate the Java Preferences application, just type "java preferences" into the Spotlight file finder search field at the top of any Finder window. If your Finder doesn't currently have any Finder windows open, just double-click on your hard drive to open one.

Mac OS X Find Java Preferences

 

Depending on the version of OS X's Java that you have installed, the location of this application may be any of the following:

Applications > Utilities > Java > J2SE 5.0 [or similar] > Java Preferences

Applications > Java Preferences

3. In the Java Preferences application, click the Network Tab, and click the button at the bottom that says Delete Files ... (the location of this button may be slightly different than that shown below, depending upon your version of Java).

mac-10.5-javaPreferences-Network


4. Make sure all check boxes are selected with checkmarks. (Your set of checkboxes may look like either of the ones below, depending on the version of Java installed on your computer).

mac-10.5-javaPreferences-clearCache

mac-java15-3

 

5. Click OK, and close the Java preferences window.

What to Do if You Have Problems

If you need further assistance with clearing your Java cache, please contact Blackboard Help at bbhelp@wwu.edu or the Help Desk at helpdesk@wwu.edu (or call 650-3333).