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Eclipse doesn't start anymore. I get a dialog box that points me to a log file with the following entry:

!SESSION 2009-12-08 08:49:16.263 -----------------------------------------------
java.vendor=Apple Inc.
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.php.product -keyring /Users/cheezy/.eclipse_keyring -showlocation
Command-line arguments:  -os macosx -ws cocoa -arch x86_64 -product org.eclipse.epp.package.php.product -keyring /Users/cheezy/.eclipse_keyring -showlocation

!ENTRY org.eclipse.osgi 4 0 2009-12-08 08:49:19.993
!MESSAGE Application error
    at org.eclipse.jface.resource.FontRegistry.filterData(
    at org.eclipse.jface.resource.FontRegistry.createFont(
    at org.eclipse.jface.resource.FontRegistry.defaultFontRecord(
    at org.eclipse.jface.resource.FontRegistry.getFontRecord(
    at org.eclipse.jface.resource.FontRegistry.get(
    at org.eclipse.jface.resource.JFaceResources.getDialogFont(
    at org.eclipse.jface.dialogs.Dialog.initializeDialogUnits(
    at org.eclipse.jface.dialogs.TitleAreaDialog.createContents(
    at org.eclipse.jface.window.Window.create(
    at org.eclipse.jface.dialogs.Dialog.create(
    at org.eclipse.ui.internal.ide.ChooseWorkspaceDialog.prompt(
    at org.eclipse.ui.internal.ide.application.IDEApplication.promptForWorkspace(
    at org.eclipse.ui.internal.ide.application.IDEApplication.checkInstanceLocation(
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(
    at java.lang.reflect.Method.invoke(
    at org.eclipse.equinox.launcher.Main.invokeFramework(
    at org.eclipse.equinox.launcher.Main.basicRun(

I did clean up my font list in Font Book by disabling duplicate fonts. I also upgraded to Mac OS X 10.6.2.

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up vote 1 down vote accepted

The problem is most likely caused by a missing font, either by the "cleaning up" of the duplicate fonts, or by the upgrade to OS X 10.6.2.

I fixed it by removing the org.eclipse.core.runtime directory in the configuration dir next to the Eclipse executable. A post in the Aptana forums suggests removing .fonts.cache-1 and the .fontconfig dir in your home directory, but that did not work when I tried that first. The Eclipse config directory is recreated when restarting Eclipse, the latter are not.

The fonts I disabled yesterday were re-enabled today (in Font Book), maybe because of the OS upgrade.

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In my case, the problem was caused by duplicated fonts. Using the Font Book tool, it was easy to fix.

To resolve this, do the following:

  1. Open the Font Book tool ( Applications > Font Book )
  2. From the menu, click Edit > Select Duplicated Fonts
  3. The duplicated entries will be selected
  4. From the menu, click Edit > Resolve Duplicates
  5. Relaunch Eclipse
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This procedure does the trick for me:

  1. Close all running applications
  2. Start Terminal from Applications > Utilities > Terminal
  3. Run the following and enter your admin password:

    sudo atsutil databases -remove
  4. atsutil server -shutdown to shut down the font registration system
  5. atsutil server -ping to restart
  6. Log out and back in

I'm using Aptana Studio on SL 10.6.4.

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Those methods didn't worked for me; I had to clear the font cache in the command line. Follow the instructions below:

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