diff -r 51ce393fe8e0 -r 6e114e9bc527 debuggercdi/com.nokia.cdt.debug.common/src/com/nokia/cdt/debug/common/internal/executables/SymbianSourceFileRemapping.java
--- a/debuggercdi/com.nokia.cdt.debug.common/src/com/nokia/cdt/debug/common/internal/executables/SymbianSourceFileRemapping.java	Mon Sep 20 13:52:50 2010 -0500
+++ b/debuggercdi/com.nokia.cdt.debug.common/src/com/nokia/cdt/debug/common/internal/executables/SymbianSourceFileRemapping.java	Mon Sep 20 13:13:27 2010 -0600
@@ -46,9 +46,11 @@
 	
 	private Job saveThePrefsJob = new Job(""){
 
+		@SuppressWarnings("restriction")
 		@Override
 		protected IStatus run(IProgressMonitor monitor) {
-			CDebugCorePlugin.getDefault().savePluginPreferences();
+			CSourceLookupDirector director = CDebugCorePlugin.getDefault().getCommonSourceLookupDirector();
+			director.setSourceContainers(director.getSourceContainers()); // force it to write out the prefs
 			return Status.OK_STATUS;
 		}};