Unset options that Horde_Db doesn't know here.

diff --git a/framework/Core/lib/Horde/Core/Factory/Db.php b/framework/Core/lib/Horde/Core/Factory/Db.php
index dc00a6f..8749ca7 100644 (file)
--- a/framework/Core/lib/Horde/Core/Factory/Db.php
+++ b/framework/Core/lib/Horde/Core/Factory/Db.php
@@ -145,6 +145,10 @@ class Horde_Core_Factory_Db
         $class = 'Horde_Db_Adapter_' . $adapter;
 
         if (class_exists($class)) {
+            unset($config['read'],
+                  $config['write_db'],
+                  $config['hostspec'],
+                  $config['splitread']);
             $ob = new $class($config);
 
             if (!isset($config['cache'])) {