University of Oregon

How do I clear my Java cache?

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Clearing your Java cache: Windows

  1. Open the Java Control Panel (Start > Control Panel, enter "Java" in the "Search Control Panel" box, and click the Java icon when it comes up)
  2. Click the "Settings..." button near the bottom of the Java control panel window:

  3. Click "Delete Files..." button 


     
  4. Make sure all 3 boxes are checked and click "OK"
  5. Click the "OK" button to clear the cache
  6. Click "OK" again to close the Java Control Panel

Clearing your Java cache: Mac OS X

The following directions apply to Oracle Java 7 and newer, which is supported by Mac OS X 10.7.3 and newer.

  1. Click the Apple icon in the upper left corner of the screen
  2. Select System Preferences
  3. In the bottom row, click the Java icon; the Java Control Panel will open in a separate window
  4. On the General tab, in the Temporary Internet Files section, click Settings...
  5. Click the Delete Files... button
  6. Click the check box for Installed Applications and Applets
  7. Click the OK button; this clears the cache
  8. Click the OK button twice to close windows
  9. Close the System Preferences window

The following directions apply to Oracle Java 6, which is supported by Mac OS X 10.6.8.

  1. Click the Finder icon in the Dock
  2. Select Applications
  3. Click the Utilities folder
  4. Open Java Preferences
  5. Click the Network tab
  6. Click Delete Files...
  7. Ensure that both boxes are checked and click OK
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