diff --git a/Holumbus-Distribution.cabal b/Holumbus-Distribution.cabal
--- a/Holumbus-Distribution.cabal
+++ b/Holumbus-Distribution.cabal
@@ -1,5 +1,5 @@
 name:          Holumbus-Distribution
-version:       0.0.1
+version:       0.0.1.1
 license:       OtherLicense
 license-file:  LICENSE
 author:        Stefan Schmidt, Uwe Schmidt
diff --git a/source/Holumbus/Common/Logging.hs b/source/Holumbus/Common/Logging.hs
--- a/source/Holumbus/Common/Logging.hs
+++ b/source/Holumbus/Common/Logging.hs
@@ -55,7 +55,7 @@
     -- updateGlobalLogger rootLoggerName (addHandler s)
     
     -- this will be removed in next versions
-    -- updateGlobalLogger "Holumbus" (setLevel DEBUG)
+    updateGlobalLogger "Holumbus" (setLevel WARNING)
     -- updateGlobalLogger "Holumbus.Network" (setLevel WARNING)
     -- updateGlobalLogger "Holumbus.MapReduce.TaskProcessor.task" (setLevel WARNING)
     -- updateGlobalLogger "Holumbus.FileSystem.Storage.FileStorage" (setLevel WARNING)
diff --git a/source/Holumbus/Network/Core.hs b/source/Holumbus/Network/Core.hs
--- a/source/Holumbus/Network/Core.hs
+++ b/source/Holumbus/Network/Core.hs
@@ -166,13 +166,19 @@
 -- | Gets the first free port number and creates of new socket on it.
 getFirstSocket :: PortNumber -> PortNumber -> IO (Maybe (Socket, PortNumber))
 getFirstSocket actPo maxPo
-  | actPo > maxPo = return Nothing
-  | otherwise 
-    = do
-      handleAll (return (getFirstSocket (actPo+1) maxPo)) $
-        do
-        socket <- getSocket (PortNumber actPo)
-        return (Just (socket, actPo))     
+  = do
+    -- due to a bug in Network.Socket, we cannot use the (>) directly for PortNumbers
+    let actI = toInteger actPo
+        maxI = toInteger maxPo
+    if (actI > maxI)
+      then do
+        return Nothing 
+      else do
+        handleAll (return (getFirstSocket (actPo+1) maxPo)) $
+          do
+          debugM localLogger $ "getFirstSocket: getting Socket for: " ++ show actPo
+          socket <- getSocket (PortNumber actPo)
+          return (Just (socket, actPo))     
 
 
 -- | Opens a socket on a port number.