--- loncom/interface/lonindexer.pm	2010/08/13 13:32:36	1.208
+++ loncom/interface/lonindexer.pm	2011/10/14 16:58:32	1.210
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Directory Indexer
 #
-# $Id: lonindexer.pm,v 1.208 2010/08/13 13:32:36 wenzelju Exp $
+# $Id: lonindexer.pm,v 1.210 2011/10/14 16:58:32 dseaton Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -120,8 +120,8 @@ sub handler {
     my $colspan=''; 
     
     $extrafield='';
-    my $diropendb = 
-	"/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
+    my $diropendb = LONCAPA::tempdir() .
+	"$env{'user.domain'}_$env{'user.name'}_sel_res.db";
     %hash = ();
     {
 	my %dbfile;
@@ -755,6 +755,7 @@ sub scanDir {
 sub get_list {
     my ($r,$uri)=@_;
     my @list=();
+    
     (my $luri = $uri) =~ s/\//_/g;
     if ($env{'form.updatedisplay'}) {
 	foreach (keys %hash) {
@@ -782,6 +783,14 @@ sub get_list {
 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
 	$hash{'dirlist_timestamp_files_'.$luri} = time;
     }
+#Checking for error messages associated with empty directories or inaccessible servers (See Bug 4984)
+    if($list[0] eq 'no_such_dir' || $list[0] eq 'no_such_host') { 
+        $r->print("<p class='LC_info'>" . &mt("Directory does not exist."). "</p>");
+    }
+    elsif($list[0] eq 'con_lost') {
+        $r->print("<p class='LC_info'>" . &mt("Directory temporarily not accessible."). "</p>");
+    }
+
     return @list=&match_ext($r,@list);    
 }