? checkdir.patch
Index: src/hudson/model/Hudson.java
===================================================================
RCS file: /cvs/hudson/hudson/src/hudson/model/Hudson.java,v
retrieving revision 1.19
diff -u -u -r1.19 Hudson.java
--- src/hudson/model/Hudson.java	27 Sep 2005 05:42:59 -0000	1.19
+++ src/hudson/model/Hudson.java	12 Oct 2005 13:49:39 -0000
@@ -221,6 +221,9 @@
                 return child.isDirectory();
             }
         });
+        if (subdirs == null) {
+            throw new RuntimeException("ProjectsDir is empty: " + projectsDir.toString());
+        }
         jobs.clear();
         for (File subdir : subdirs) {
             try {