--- nfo/perl/libs/Data/Transfer/Sync/StorageInterface.pm	2003/02/14 14:14:38	1.4
+++ nfo/perl/libs/Data/Transfer/Sync/StorageInterface.pm	2003/02/20 20:24:33	1.5
@@ -1,4 +1,4 @@
-##    $Id: StorageInterface.pm,v 1.4 2003/02/14 14:14:38 joko Exp $
+##    $Id: StorageInterface.pm,v 1.5 2003/02/20 20:24:33 joko Exp $
 ##
 ##    Copyright (c) 2002  Andreas Motl <andreas.motl@ilo.de>
 ##
@@ -6,6 +6,9 @@
 ##
 ##    ----------------------------------------------------------------------------------------
 ##    $Log: StorageInterface.pm,v $
+##    Revision 1.5  2003/02/20 20:24:33  joko
+##    + additional pre-flight checks
+##
 ##    Revision 1.4  2003/02/14 14:14:38  joko
 ##    + new code refactored here
 ##
@@ -130,6 +133,17 @@
   my $ident = shift;
   my $force = shift;
 
+=pod
+  #print "isa: ", UNIVERSAL::isa($self->{meta}->{$descent}->{storage}), "\n";
+
+  # this seems to be the first time we access this side, 
+  # so just check (again) for a valid storage handle
+  if (! ref $self->{meta}->{$descent}->{storage}) {
+    $logger->critical( __PACKAGE__ . "->_statloadNode( descent=$descent ident=$ident ): Storage handle undefined!" );
+    return;
+  }
+=cut
+
   #$logger->debug( __PACKAGE__ . "->_statloadNode( descent=$descent ident=$ident )" );
 
   # fetch entry to retrieve checksum from
@@ -237,6 +251,13 @@
         next;
       }
     
+    # 2.b check storage handle type
+      my $dbType = $self->{meta}->{$descent}->{storage}->{locator}->{type};
+      if (!$dbType) {
+        $logger->critical( __PACKAGE__ . "->touchNodeSet: Storage ( descent='$descent', dbKey='$dbkey' ) has no 'dbType' - configuration-error?" );
+        next;
+      }
+
     # 3. check if descents (and nodes?) are actually available....
       # TODO:
       # eventually pre-check mode of access-attempt (read/write) here to provide an "early-croak" if possible
@@ -245,7 +266,6 @@
       # print Dumper($self->{meta}->{$descent}->{storage}->{locator});
 
 
-      my $dbType = $self->{meta}->{$descent}->{storage}->{locator}->{type};
       my $nodeName = $self->{meta}->{$descent}->{nodeName};
       my $accessorType = $self->{meta}->{$descent}->{accessorType};
       my $accessorName = $self->{meta}->{$descent}->{accessorName};