diff --git a/source/de/anomic/data/blogBoard.java b/source/de/anomic/data/blogBoard.java
index a2c15ad96..43abfeacf 100644
--- a/source/de/anomic/data/blogBoard.java
+++ b/source/de/anomic/data/blogBoard.java
@@ -155,7 +155,7 @@ public class blogBoard {
 	public byte[] subject() {
 		String m = (String) record.get("subject");
 	    if (m == null) return new byte[0];
-	    byte[] b = kelondroBase64Order.enhancedCoder.decode(m);
+	    byte[] b = kelondroBase64Order.enhancedCoder.decode(m, "de.anomic.data.blogBoard.subject()");
 	    if (b == null) return "".getBytes();
 	    return b;
 	}
@@ -185,7 +185,7 @@ public class blogBoard {
     public byte[] author() {
         String m = (String) record.get("author");
         if (m == null) return new byte[0];
-        byte[] b = kelondroBase64Order.enhancedCoder.decode(m);
+        byte[] b = kelondroBase64Order.enhancedCoder.decode(m, "de.anomic.data.blogBoard.author()");
         if (b == null) return "".getBytes();
         return b;
     }
@@ -213,7 +213,7 @@ public class blogBoard {
 	public byte[] page() {
 	    String m = (String) record.get("page");
 	    if (m == null) return new byte[0];
-	    byte[] b = kelondroBase64Order.enhancedCoder.decode(m);
+	    byte[] b = kelondroBase64Order.enhancedCoder.decode(m, "de.anomic.data.blogBoard.page()");
 	    if (b == null) return "".getBytes();
 	    return b;
 	}        
diff --git a/source/de/anomic/data/blogBoardComments.java b/source/de/anomic/data/blogBoardComments.java
index 7f6971ef2..e0fb66f70 100644
--- a/source/de/anomic/data/blogBoardComments.java
+++ b/source/de/anomic/data/blogBoardComments.java
@@ -164,7 +164,7 @@ public class blogBoardComments {
 	public byte[] subject() {
 		String m = (String) record.get("subject");
 	    if (m == null) return new byte[0];
-	    byte[] b = kelondroBase64Order.enhancedCoder.decode(m);
+	    byte[] b = kelondroBase64Order.enhancedCoder.decode(m, "de.anomic.data.blogBoardComments.subject()");
 	    if (b == null) return "".getBytes();
 	    return b;
 	}
@@ -196,7 +196,7 @@ public class blogBoardComments {
     public byte[] author() {
         String m = (String) record.get("author");
         if (m == null) return new byte[0];
-        byte[] b = kelondroBase64Order.enhancedCoder.decode(m);
+        byte[] b = kelondroBase64Order.enhancedCoder.decode(m, "de.anomic.data.blogBoardComments.author()");
         if (b == null) return "".getBytes();
         return b;
     }
@@ -210,7 +210,7 @@ public class blogBoardComments {
 	public byte[] page() {
 	    String m = (String) record.get("page");
 	    if (m == null) return new byte[0];
-	    byte[] b = kelondroBase64Order.enhancedCoder.decode(m);
+	    byte[] b = kelondroBase64Order.enhancedCoder.decode(m, "de.anomic.data.blogBoardComments.page()");
 	    if (b == null) return "".getBytes();
 	    return b;
 	}        
diff --git a/source/de/anomic/data/messageBoard.java b/source/de/anomic/data/messageBoard.java
index 949b95cc8..9ddb65397 100644
--- a/source/de/anomic/data/messageBoard.java
+++ b/source/de/anomic/data/messageBoard.java
@@ -195,7 +195,7 @@ public class messageBoard {
 	    String m = (String) record.get("message");
 	    if (m == null) return new byte[0];
             record.put("read", "true");
-	    return kelondroBase64Order.enhancedCoder.decode(m);
+	    return kelondroBase64Order.enhancedCoder.decode(m, "de.anomic.data.messageBoard.message()");
 	}
         
         public boolean read() {
diff --git a/source/de/anomic/data/userDB.java b/source/de/anomic/data/userDB.java
index 1d6e70a3f..7dda0d24f 100644
--- a/source/de/anomic/data/userDB.java
+++ b/source/de/anomic/data/userDB.java
@@ -137,7 +137,7 @@ public final class userDB {
 		auth=auth.trim().substring(6);
         
         try{
-            auth=kelondroBase64Order.standardCoder.decodeString(auth);
+            auth=kelondroBase64Order.standardCoder.decodeString(auth, "de.anomic.data.userDB.proxyAuth()");
         }catch(RuntimeException e){} //no valid Base64
         String[] tmp=auth.split(":");
         if(tmp.length == 2){
diff --git a/source/de/anomic/data/wikiBoard.java b/source/de/anomic/data/wikiBoard.java
index 1e3e54dd3..574132667 100644
--- a/source/de/anomic/data/wikiBoard.java
+++ b/source/de/anomic/data/wikiBoard.java
@@ -184,7 +184,7 @@ public class wikiBoard {
         public String author() {
             String a = (String) record.get("author");
             if (a == null) return "anonymous";
-            byte[] b = kelondroBase64Order.enhancedCoder.decode(a);
+            byte[] b = kelondroBase64Order.enhancedCoder.decode(a, "de.anomic.data.wikiBoard.author()");
             if (b == null) return "anonymous";
             return new String(b);
         }
@@ -192,7 +192,7 @@ public class wikiBoard {
         public String reason() {
             String r = (String) record.get("reason");
             if (r == null) return "";
-            byte[] b = kelondroBase64Order.enhancedCoder.decode(r);
+            byte[] b = kelondroBase64Order.enhancedCoder.decode(r, "de.anomic.data.wikiBoard.reason()");
             if (b == null) return "unknown";
             return new String(b);
         }
@@ -200,7 +200,7 @@ public class wikiBoard {
         public byte[] page() {
             String m = (String) record.get("page");
             if (m == null) return new byte[0];
-            byte[] b = kelondroBase64Order.enhancedCoder.decode(m);
+            byte[] b = kelondroBase64Order.enhancedCoder.decode(m, "de.anomic.data.wikiBoard.page()");
             if (b == null) return "".getBytes();
             return b;
         }
@@ -246,7 +246,7 @@ public class wikiBoard {
         private String getChildName() {
             String c = (String) record.get("child");
             if (c == null) return null;
-            byte[] subject = kelondroBase64Order.enhancedCoder.decode(c);
+            byte[] subject = kelondroBase64Order.enhancedCoder.decode(c, "de.anomic.data.wikiBoard.getChildName()");
             if (subject == null) return null;
             return new String(subject);
         }
@@ -254,7 +254,7 @@ public class wikiBoard {
         public boolean hasChild() {
             String c = (String) record.get("child");
             if (c == null) return false;
-            byte[] subject = kelondroBase64Order.enhancedCoder.decode(c);
+            byte[] subject = kelondroBase64Order.enhancedCoder.decode(c, "de.anomic.data.wikiBoard.hasChild()");
             return (subject != null);
         }
 
diff --git a/source/de/anomic/index/indexURLEntry.java b/source/de/anomic/index/indexURLEntry.java
index 2de2f98ca..2faee9ac2 100644
--- a/source/de/anomic/index/indexURLEntry.java
+++ b/source/de/anomic/index/indexURLEntry.java
@@ -243,7 +243,7 @@ public class indexURLEntry {
         this.word = null;
         if (prop.containsKey("word")) throw new kelondroException("old database structure is not supported");
         if (prop.containsKey("wi")) {
-            this.word = new indexRWIRowEntry(kelondroBase64Order.enhancedCoder.decodeString(prop.getProperty("wi", "")));
+            this.word = new indexRWIRowEntry(kelondroBase64Order.enhancedCoder.decodeString(prop.getProperty("wi", ""), "de.anomic.index.indexURLEntry.indexURLEntry()"));
         }
         this.ranking = 0;
     }
diff --git a/source/de/anomic/kelondro/kelondroBase64Order.java b/source/de/anomic/kelondro/kelondroBase64Order.java
index 1617220d3..a94692659 100644
--- a/source/de/anomic/kelondro/kelondroBase64Order.java
+++ b/source/de/anomic/kelondro/kelondroBase64Order.java
@@ -219,17 +219,17 @@ public class kelondroBase64Order extends kelondroAbstractOrder<byte[]> implement
         return new String(out);
     }
 
-    public final String decodeString(String in) {
+    public final String decodeString(String in, String info) {
         try {
             //return new String(decode(in), "ISO-8859-1");
-            return new String(decode(in), "UTF-8");
+            return new String(decode(in, info), "UTF-8");
         } catch (java.io.UnsupportedEncodingException e) {
             System.out.println("internal error in base64: " + e.getMessage());
             return null;
         }
     }
 
-    public final byte[] decode(String in) {
+    public final byte[] decode(String in, String info) {
         if ((in == null) || (in.length() == 0)) return new byte[0];
         try {
             int posIn = 0;
@@ -267,7 +267,7 @@ public class kelondroBase64Order extends kelondroAbstractOrder<byte[]> implement
         } catch (ArrayIndexOutOfBoundsException e) {
             // maybe the input was not base64
             // throw new RuntimeException("input probably not base64");
-            this.log.logFine("wrong string receive: [" + in + "]");
+            this.log.logFine("wrong string receive: " + in + ", call: " + info);
             return new byte[0];
         }
     }
@@ -395,7 +395,17 @@ public class kelondroBase64Order extends kelondroAbstractOrder<byte[]> implement
         }
         if (s[0].equals("-ds")) {
             // generate a b64 decoding from a given string
-            System.out.println(b64.decodeString(s[1]));
+            System.out.println(b64.decodeString(s[1], ""));
         }
     }
+
+    public byte[] decode(String in) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public String decodeString(String in) {
+        // TODO Auto-generated method stub
+        return null;
+    }
 }
diff --git a/source/de/anomic/kelondro/kelondroBitfield.java b/source/de/anomic/kelondro/kelondroBitfield.java
index f968df6cf..a9193bd3b 100644
--- a/source/de/anomic/kelondro/kelondroBitfield.java
+++ b/source/de/anomic/kelondro/kelondroBitfield.java
@@ -45,7 +45,7 @@ public class kelondroBitfield implements Cloneable {
 
     public kelondroBitfield(int bytelength, String exported) {
         // imports a b64-encoded bitfield
-        byte[] b = kelondroBase64Order.enhancedCoder.decode(exported);
+        byte[] b = kelondroBase64Order.enhancedCoder.decode(exported, "de.anomic.kelondro.kelondroBitfield.kelondroBitfield(...)");
         if (b.length == bytelength) {
             bb = b;
         } else {
diff --git a/source/de/anomic/kelondro/kelondroCollectionIndex.java b/source/de/anomic/kelondro/kelondroCollectionIndex.java
index 773b7dc1a..ab6aa6911 100644
--- a/source/de/anomic/kelondro/kelondroCollectionIndex.java
+++ b/source/de/anomic/kelondro/kelondroCollectionIndex.java
@@ -820,7 +820,7 @@ public class kelondroCollectionIndex {
         newcommon.sort();
         SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
         formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
-        String filename = serverCodings.encodeHex(kelondroBase64Order.enhancedCoder.decode(new String(key))) + "_" + formatter.format(new Date()) + ".collection";
+        String filename = serverCodings.encodeHex(kelondroBase64Order.enhancedCoder.decode(new String(key), "de.anomic.kelondro.kelondroCollectionIndex.shrinkCollection(...)")) + "_" + formatter.format(new Date()) + ".collection";
         File storagePath = new File(commonsPath, filename.substring(0, 2)); // make a subpath
         storagePath.mkdirs();
         File file = new File(storagePath, filename);
diff --git a/source/de/anomic/tools/crypt.java b/source/de/anomic/tools/crypt.java
index 058ecefac..4ae4be66b 100644
--- a/source/de/anomic/tools/crypt.java
+++ b/source/de/anomic/tools/crypt.java
@@ -122,8 +122,8 @@ public class crypt {
     if (encoded == null || encoded.length() < 3) { return null; }
     if (encoded.charAt(1) != '|') { return encoded; } // not encoded
     switch (encoded.charAt(0)) {
-    case 'b' : return kelondroBase64Order.enhancedCoder.decodeString(encoded.substring(2));
-    case 'z' : return gzip.gunzipString(kelondroBase64Order.enhancedCoder.decode(encoded.substring(2)));
+    case 'b' : return kelondroBase64Order.enhancedCoder.decodeString(encoded.substring(2), "de.anomic.tools.crypt.simpleDecode()");
+    case 'z' : return gzip.gunzipString(kelondroBase64Order.enhancedCoder.decode(encoded.substring(2), "de.anomic.tools.crypt.simpleDecode()"));
     case 'p' : return encoded.substring(2);
     default  : return null;
     }
diff --git a/source/de/anomic/yacy/yacySeed.java b/source/de/anomic/yacy/yacySeed.java
index 3d920edb7..c96a819cf 100644
--- a/source/de/anomic/yacy/yacySeed.java
+++ b/source/de/anomic/yacy/yacySeed.java
@@ -406,7 +406,7 @@ public class yacySeed {
      * @return the octal representation of the given base64 hash
      */
     public static String b64Hash2octalHash(String b64Hash) {
-        return serverCodings.encodeOctal(kelondroBase64Order.enhancedCoder.decode(b64Hash));
+        return serverCodings.encodeOctal(kelondroBase64Order.enhancedCoder.decode(b64Hash, "de.anomic.yacy.yacySeed.b64Hash2octalHash()"));
     }
 
     /**
@@ -416,7 +416,7 @@ public class yacySeed {
      */
     public static String b64Hash2hexHash(String b64Hash) {
         // the hash string represents 12 * 6 bit = 72 bits. This is too much for a long integer.
-        return serverCodings.encodeHex(kelondroBase64Order.enhancedCoder.decode(b64Hash));
+        return serverCodings.encodeHex(kelondroBase64Order.enhancedCoder.decode(b64Hash, "de.anomic.yacy.yacySeed.b64Hash2hexHash()"));
     }
     
     /**
@@ -434,7 +434,7 @@ public class yacySeed {
      */
     public static byte[] b64Hash2b256Hash(String b64Hash) {
         assert b64Hash.length() == 12;
-        return kelondroBase64Order.enhancedCoder.decode(b64Hash);
+        return kelondroBase64Order.enhancedCoder.decode(b64Hash, "de.anomic.yacy.yacySeed.b64Hash2b256Hash()");
     }
     
     /**
diff --git a/yacy.logging b/yacy.logging
index 57fc04288..f3907c9ad 100644
--- a/yacy.logging
+++ b/yacy.logging
@@ -10,7 +10,7 @@
 # INFO    regular action information (i.e. any httpd request URL)
 # CONFIG  regular system status information (i.e. start-up messages)
 # FINE  in-function status debug output
-BASE64.level = FINE
+BASE64.level = OFF
 PARSER.level = INFO
 PROXY.level = INFO
 YACY.level = INFO