diff --git a/apps/i2psnark/java/src/org/klomp/snark/dht/KRPC.java b/apps/i2psnark/java/src/org/klomp/snark/dht/KRPC.java
index 27325ee6f..29a0f33fc 100644
--- a/apps/i2psnark/java/src/org/klomp/snark/dht/KRPC.java
+++ b/apps/i2psnark/java/src/org/klomp/snark/dht/KRPC.java
@@ -866,7 +866,7 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
     @SuppressWarnings("unchecked")
     private ReplyWaiter sendQuery(NodeInfo nInfo, Map<String, Object> map, boolean repliable) {
         if (nInfo.equals(_myNodeInfo))
-            throw new IllegalArgumentException("wtf don't send to ourselves");
+            throw new IllegalArgumentException("don't send to ourselves");
         if (_log.shouldLog(Log.DEBUG))
             _log.debug("Sending query to: " + nInfo);
         if (nInfo.getDestination() == null) {
@@ -916,7 +916,7 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
     @SuppressWarnings("unchecked")
     private boolean sendResponse(NodeInfo nInfo, MsgID msgID, Map<String, Object> map) {
         if (nInfo.equals(_myNodeInfo))
-            throw new IllegalArgumentException("wtf don't send to ourselves");
+            throw new IllegalArgumentException("don't send to ourselves");
         if (_log.shouldLog(Log.DEBUG))
             _log.debug("Sending response to: " + nInfo);
         if (nInfo.getDestination() == null) {
@@ -946,7 +946,7 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
      */
     private boolean sendError(NodeInfo nInfo, MsgID msgID, Map<String, Object> map) {
         if (nInfo.equals(_myNodeInfo))
-            throw new IllegalArgumentException("wtf don't send to ourselves");
+            throw new IllegalArgumentException("don't send to ourselves");
         if (_log.shouldLog(Log.INFO))
             _log.info("Sending error to: " + nInfo);
         if (nInfo.getDestination() == null) {
@@ -1004,7 +1004,7 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
             return false;
         }
         if (dest.calculateHash().equals(_myNodeInfo.getHash()))
-            throw new IllegalArgumentException("wtf don't send to ourselves");
+            throw new IllegalArgumentException("don't send to ourselves");
         byte[] payload = BEncoder.bencode(map);
         if (_log.shouldLog(Log.DEBUG)) {
             ByteArrayInputStream bais = new ByteArrayInputStream(payload);
@@ -1020,7 +1020,7 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
             payload = dgMaker.makeI2PDatagram(payload);
             if (payload == null) {
                 if (_log.shouldLog(Log.WARN))
-                    _log.warn("WTF DGM fail");
+                    _log.warn("DGM fail");
                 return false;
             }
         }
@@ -1040,7 +1040,7 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
                 _txBytes.addAndGet(payload.length);
             } else {
                 if (_log.shouldLog(Log.WARN))
-                    _log.warn("WTF sendMessage fail");
+                    _log.warn("sendMessage fail");
             }
             return success;
         } catch (I2PSessionException ise) {
diff --git a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/IRCFilter.java b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/IRCFilter.java
index c29adde1d..4c60d2600 100644
--- a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/IRCFilter.java
+++ b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/IRCFilter.java
@@ -64,7 +64,7 @@ abstract class IRCFilter {
                 idx++;
             command = field[idx++].toUpperCase(Locale.US);
         } catch (IndexOutOfBoundsException ioobe) {
-            // wtf, server sent borked command?
+            // server sent borked command?
            //_log.warn("Dropping defective message: index out of bounds while extracting command.");
            return null;
         }
@@ -282,7 +282,7 @@ abstract class IRCFilter {
         
         
         if(field[0].charAt(0)==':')
-            return null; // wtf
+            return null; // ???
         
         String command = field[0].toUpperCase(Locale.US);
 
diff --git a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKS5Server.java b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKS5Server.java
index 63fbf6c28..823497f28 100644
--- a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKS5Server.java
+++ b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKS5Server.java
@@ -168,7 +168,7 @@ class SOCKS5Server extends SOCKSServer {
     private int manageRequest(DataInputStream in, DataOutputStream out) throws IOException, SOCKSException {
         int socksVer = in.readUnsignedByte();
         if (socksVer != SOCKS_VERSION_5) {
-            _log.debug("error in SOCKS5 request (protocol != 5? wtf?)");
+            _log.debug("error in SOCKS5 request (protocol != 5?)");
             throw new SOCKSException("Invalid protocol version in request: " + socksVer);
         }
 
@@ -221,7 +221,7 @@ class SOCKS5Server extends SOCKSServer {
             {
                 int addrLen = in.readUnsignedByte();
                 if (addrLen == 0) {
-                    _log.debug("0-sized address length? wtf?");
+                    _log.debug("0-sized address length?");
                     throw new SOCKSException("Illegal DOMAINNAME length");
                 }
                 byte addr[] = new byte[addrLen];
@@ -315,7 +315,7 @@ class SOCKS5Server extends SOCKSServer {
             dreps.writeBytes(domainName);
             break;
         default:
-            _log.error("unknown address type passed to sendReply() (" + Integer.toHexString(addressType) + ")! wtf?");
+            _log.error("unknown address type passed to sendReply() (" + Integer.toHexString(addressType) + ")!");
             return;
         }
 
diff --git a/apps/sam/java/test/net/i2p/sam/TestSwarm.java b/apps/sam/java/test/net/i2p/sam/TestSwarm.java
index f9862b467..d4ce12482 100644
--- a/apps/sam/java/test/net/i2p/sam/TestSwarm.java
+++ b/apps/sam/java/test/net/i2p/sam/TestSwarm.java
@@ -97,7 +97,7 @@ public class TestSwarm {
                 flooder.closed();
                 _log.debug("Connection " + flooder.getConnectionId() + " closed to " + flooder.getDestination());
             } else {
-                _log.error("wtf, not connected to " + id + " but we were just closed?");
+                _log.error("not connected to " + id + " but we were just closed?");
             }
         }
         public void streamDataReceived(int id, byte data[], int offset, int length) {
@@ -109,7 +109,7 @@ public class TestSwarm {
             if (flooder != null) {
                 flooder.received(length, value);
             } else {
-                _log.error("wtf, not connected to " + id + " but we received " + value + "?");
+                _log.error("not connected to " + id + " but we received " + value + "?");
             }
         }
         public void streamConnectedReceived(String dest, int id) {  
@@ -146,7 +146,7 @@ public class TestSwarm {
                 String serverVersion = _eventHandler.waitForHelloReply();
                 _log.debug("Hello reply found: " + serverVersion);
                 if (serverVersion == null)
-                    throw new IOException("wtf, hello failed?");
+                    throw new IOException("hello failed?");
                 String req = "SESSION CREATE STYLE=STREAM DESTINATION=" + _destFile + " " + _conOptions + "\n";
                 _samOut.write(DataHelper.getUTF8(req));
                 _samOut.flush();
@@ -301,4 +301,4 @@ public class TestSwarm {
             _lastReceivedOn = _context.clock().now();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/apps/streaming/java/src/net/i2p/client/streaming/impl/Connection.java b/apps/streaming/java/src/net/i2p/client/streaming/impl/Connection.java
index 8308197dc..0d295d73c 100644
--- a/apps/streaming/java/src/net/i2p/client/streaming/impl/Connection.java
+++ b/apps/streaming/java/src/net/i2p/client/streaming/impl/Connection.java
@@ -1136,7 +1136,7 @@ class Connection {
                 if (_log.shouldLog(Log.DEBUG)) _log.debug("Inactivity timeout reached, but there are unacked packets");
                 return;
             }
-            // wtf, this shouldn't have been scheduled
+            // this shouldn't have been scheduled
             if (_options.getInactivityTimeout() <= 0) {
                 if (_log.shouldLog(Log.DEBUG)) _log.debug("Inactivity timeout reached, but there is no timer...");
                 return;
diff --git a/apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionDataReceiver.java b/apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionDataReceiver.java
index f103e6a30..6836cd74a 100644
--- a/apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionDataReceiver.java
+++ b/apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionDataReceiver.java
@@ -140,9 +140,9 @@ class ConnectionDataReceiver implements MessageOutputStream.DataReceiver {
         //long sent = System.currentTimeMillis();
         
         //if ( (built-before > 5*1000) && (_log.shouldLog(Log.WARN)) )
-        //    _log.warn("wtf, took " + (built-before) + "ms to build a packet: " + packet);
+        //    _log.warn(took " + (built-before) + "ms to build a packet: " + packet);
         //if ( (sent-built> 5*1000) && (_log.shouldLog(Log.WARN)) )
-        //    _log.warn("wtf, took " + (sent-built) + "ms to send a packet: " + packet);
+        //    _log.warn(took " + (sent-built) + "ms to send a packet: " + packet);
         return packet;
     }
     
diff --git a/apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionPacketHandler.java b/apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionPacketHandler.java
index 9e1562e82..9372c6913 100644
--- a/apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionPacketHandler.java
+++ b/apps/streaming/java/src/net/i2p/client/streaming/impl/ConnectionPacketHandler.java
@@ -542,7 +542,7 @@ class ConnectionPacketHandler {
             }
         } else {
             if (_log.shouldLog(Log.WARN))
-                _log.warn("Received a packet for the wrong connection?  wtf: " 
+                _log.warn("Received a packet for the wrong connection? " 
                           + con + " / " + packet);
             return;
         }
diff --git a/apps/streaming/java/src/net/i2p/client/streaming/impl/MessageOutputStream.java b/apps/streaming/java/src/net/i2p/client/streaming/impl/MessageOutputStream.java
index 69e967f83..59c6de87b 100644
--- a/apps/streaming/java/src/net/i2p/client/streaming/impl/MessageOutputStream.java
+++ b/apps/streaming/java/src/net/i2p/client/streaming/impl/MessageOutputStream.java
@@ -177,7 +177,7 @@ class MessageOutputStream extends OutputStream {
         }
         long elapsed = _context.clock().now() - begin;
         if ( (elapsed > 10*1000) && (_log.shouldLog(Log.INFO)) )
-            _log.info("wtf, took " + elapsed + "ms to write to the stream?", new Exception("foo"));
+            _log.info("took " + elapsed + "ms to write to the stream?", new Exception("foo"));
         throwAnyError();
         //updateBps(len);
     }
@@ -374,7 +374,7 @@ class MessageOutputStream extends OutputStream {
         
         long elapsed = _context.clock().now() - begin;
         if ( (elapsed > 10*1000) && (_log.shouldLog(Log.DEBUG)) )
-            _log.debug("wtf, took " + elapsed + "ms to flush the stream?\n" + ws, new Exception("bar"));
+            _log.debug("took " + elapsed + "ms to flush the stream?\n" + ws, new Exception("bar"));
         throwAnyError();
     }
     
diff --git a/core/java/src/net/i2p/crypto/CryptixAESEngine.java b/core/java/src/net/i2p/crypto/CryptixAESEngine.java
index 61b5386de..2625c64ca 100644
--- a/core/java/src/net/i2p/crypto/CryptixAESEngine.java
+++ b/core/java/src/net/i2p/crypto/CryptixAESEngine.java
@@ -214,7 +214,7 @@ public final class CryptixAESEngine extends AESEngine {
                 sessionKey.setPreparedKey(key);
             } catch (InvalidKeyException ike) {
                 _log.log(Log.CRIT, "Invalid key", ike);
-                throw new IllegalArgumentException("wtf, invalid key?  " + ike.getMessage());
+                throw new IllegalArgumentException("invalid key?  " + ike.getMessage());
             }
         }
         
@@ -241,7 +241,7 @@ public final class CryptixAESEngine extends AESEngine {
                 sessionKey.setPreparedKey(key);
             } catch (InvalidKeyException ike) {
                 _log.log(Log.CRIT, "Invalid key", ike);
-                throw new IllegalArgumentException("wtf, invalid key?  " + ike.getMessage());
+                throw new IllegalArgumentException("invalid key?  " + ike.getMessage());
             }
         }
 
diff --git a/core/java/src/net/i2p/crypto/TrustedUpdate.java b/core/java/src/net/i2p/crypto/TrustedUpdate.java
index 5174292a2..874730261 100644
--- a/core/java/src/net/i2p/crypto/TrustedUpdate.java
+++ b/core/java/src/net/i2p/crypto/TrustedUpdate.java
@@ -493,7 +493,7 @@ riCe6OlAEiNpcc6mMyIYYWFICbrDFTrDR3wXqwc/Jkcx6L5VVWoagpSzbo3yGhc=
 
             return new String(data, "UTF-8");
         } catch (UnsupportedEncodingException uee) {
-            throw new RuntimeException("wtf, your JVM doesnt support utf-8? " + uee.getMessage());
+            throw new RuntimeException("your JVM doesnt support utf-8? " + uee.getMessage());
         } catch (IOException ioe) {
             return "";
         } finally {
@@ -532,7 +532,7 @@ riCe6OlAEiNpcc6mMyIYYWFICbrDFTrDR3wXqwc/Jkcx6L5VVWoagpSzbo3yGhc=
 
             return new String(data, "UTF-8");
         } catch (UnsupportedEncodingException uee) {
-            throw new RuntimeException("wtf, your JVM doesnt support utf-8? " + uee.getMessage());
+            throw new RuntimeException("your JVM doesnt support utf-8? " + uee.getMessage());
         } catch (IOException ioe) {
             return "";
         } finally {
@@ -746,7 +746,7 @@ riCe6OlAEiNpcc6mMyIYYWFICbrDFTrDR3wXqwc/Jkcx6L5VVWoagpSzbo3yGhc=
         try {
             versionRawBytes = version.getBytes("UTF-8");
         } catch (UnsupportedEncodingException e) {
-            throw new RuntimeException("wtf, your JVM doesnt support utf-8? " + e.getMessage());
+            throw new RuntimeException("your JVM doesnt support utf-8? " + e.getMessage());
         }
 
         System.arraycopy(versionRawBytes, 0, versionHeader, 0, versionRawBytes.length);
diff --git a/core/java/src/net/i2p/data/DataHelper.java b/core/java/src/net/i2p/data/DataHelper.java
index 9effc9882..6fa421fd4 100644
--- a/core/java/src/net/i2p/data/DataHelper.java
+++ b/core/java/src/net/i2p/data/DataHelper.java
@@ -661,7 +661,7 @@ public class DataHelper {
         }
         
         if (rv < 0)
-            throw new DataFormatException("wtf, fromLong got a negative? " + rv + " numBytes=" + numBytes);
+            throw new DataFormatException("fromLong got a negative? " + rv + " numBytes=" + numBytes);
         return rv;
     }
     
@@ -753,7 +753,7 @@ public class DataHelper {
             rv |= src[i] & 0xFF;
         }
         if (rv < 0)
-            throw new IllegalArgumentException("wtf, fromLong got a negative? " + rv + ": offset="+ offset +" numBytes="+numBytes);
+            throw new IllegalArgumentException("fromLong got a negative? " + rv + ": offset="+ offset +" numBytes="+numBytes);
         return rv;
     }
     
@@ -774,7 +774,7 @@ public class DataHelper {
             rv |= src[i] & 0xFF;
         }
         if (rv < 0)
-            throw new IllegalArgumentException("wtf, fromLong got a negative? " + rv + ": offset="+ offset +" numBytes="+numBytes);
+            throw new IllegalArgumentException("fromLong got a negative? " + rv + ": offset="+ offset +" numBytes="+numBytes);
         return rv;
     }
     
diff --git a/core/java/src/net/i2p/data/i2cp/SessionConfig.java b/core/java/src/net/i2p/data/i2cp/SessionConfig.java
index 531194d17..3e419a6dc 100644
--- a/core/java/src/net/i2p/data/i2cp/SessionConfig.java
+++ b/core/java/src/net/i2p/data/i2cp/SessionConfig.java
@@ -155,7 +155,7 @@ public class SessionConfig extends DataStructureImpl {
         }
         byte data[] = getBytes();
         if (data == null) {
-            //if (_log.shouldLog(Log.WARN)) _log.warn("Bytes could not be found - wtf?");
+            //if (_log.shouldLog(Log.WARN)) _log.warn("Bytes could not be found");
             return false;
         }
 
diff --git a/core/java/src/net/i2p/kademlia/KBucketSet.java b/core/java/src/net/i2p/kademlia/KBucketSet.java
index 0d5daa223..09b51ca23 100644
--- a/core/java/src/net/i2p/kademlia/KBucketSet.java
+++ b/core/java/src/net/i2p/kademlia/KBucketSet.java
@@ -432,12 +432,12 @@ public class KBucketSet<T extends SimpleDataStructure> {
         if (rv >= 0) {
              return rv;
         }
-        _log.error("Key does not fit in any bucket?! WTF!\nKey  : [" 
+        _log.error("Key does not fit in any bucket?!\nKey  : [" 
                    + DataHelper.toHexString(key.getData()) + "]" 
                    + "\nUs   : " + _us
                    + "\nDelta: ["
                    + DataHelper.toHexString(DataHelper.xor(_us.getData(), key.getData()))
-                   + "]", new Exception("WTF"));
+                   + "]", new Exception("???"));
         _log.error(toString());
         throw new IllegalStateException("pickBucket returned " + rv);
         //return -1;
@@ -588,7 +588,7 @@ public class KBucketSet<T extends SimpleDataStructure> {
         } else {
             // dont span main bucket boundaries with depth > 1
             if (fixed > 0)
-                throw new IllegalStateException("WTF " + bucket);
+                throw new IllegalStateException("??? " + bucket);
             BigInteger nonz;
             if (numNonZero <= 62) {
                 // add one to ensure nonzero
diff --git a/core/java/src/net/i2p/util/Executor.java b/core/java/src/net/i2p/util/Executor.java
index 463882a25..0b5da139f 100644
--- a/core/java/src/net/i2p/util/Executor.java
+++ b/core/java/src/net/i2p/util/Executor.java
@@ -39,7 +39,7 @@ class Executor implements Runnable {
                 }
                 long time = _context.clock().now() - before;
                 if ( (time > 1000) && (_log.shouldLog(Log.WARN)) )
-                    _log.warn("wtf, event execution took " + time + ": " + evt);
+                    _log.warn("event execution took " + time + ": " + evt);
             }
         }
     }
diff --git a/core/java/src/net/i2p/util/FortunaRandomSource.java b/core/java/src/net/i2p/util/FortunaRandomSource.java
index 508bac7e1..f03453b7c 100644
--- a/core/java/src/net/i2p/util/FortunaRandomSource.java
+++ b/core/java/src/net/i2p/util/FortunaRandomSource.java
@@ -74,7 +74,7 @@ public class FortunaRandomSource extends RandomSource implements EntropyHarveste
      * According to the java docs (http://java.sun.com/j2se/1.4.1/docs/api/java/util/Random.html#nextInt(int))
      * nextInt(n) should return a number between 0 and n (including 0 and excluding n).  However, their pseudocode,
      * as well as sun's, kaffe's, and classpath's implementation INCLUDES NEGATIVE VALUES.
-     * WTF.  Ok, so we're going to have it return between 0 and n (including 0, excluding n), since 
+     * Ok, so we're going to have it return between 0 and n (including 0, excluding n), since 
      * thats what it has been used for.
      *
      */
diff --git a/core/java/src/net/i2p/util/RandomSource.java b/core/java/src/net/i2p/util/RandomSource.java
index 04e457a08..645f1870a 100644
--- a/core/java/src/net/i2p/util/RandomSource.java
+++ b/core/java/src/net/i2p/util/RandomSource.java
@@ -58,7 +58,7 @@ public class RandomSource extends SecureRandom implements EntropyHarvester {
      * According to the java docs (http://java.sun.com/j2se/1.4.1/docs/api/java/util/Random.html#nextInt(int))
      * nextInt(n) should return a number between 0 and n (including 0 and excluding n).  However, their pseudocode,
      * as well as sun's, kaffe's, and classpath's implementation INCLUDES NEGATIVE VALUES.
-     * WTF.  Ok, so we're going to have it return between 0 and n (including 0, excluding n), since 
+     * Ok, so we're going to have it return between 0 and n (including 0, excluding n), since 
      * thats what it has been used for.
      *
      * This code unused, see FortunaRandomSource override
diff --git a/core/java/src/net/i2p/util/ResettableGZIPInputStream.java b/core/java/src/net/i2p/util/ResettableGZIPInputStream.java
index 13eecb518..3411a4fce 100644
--- a/core/java/src/net/i2p/util/ResettableGZIPInputStream.java
+++ b/core/java/src/net/i2p/util/ResettableGZIPInputStream.java
@@ -403,10 +403,10 @@ public class ResettableGZIPInputStream extends InflaterInputStream {
                     throw new RuntimeException("read=" + read + " expected " + orig.length);
                 for (int j = 0; j < read; j++) {
                     if (readBuf[j] != orig[j])
-                        throw new RuntimeException("wtf, j=" + j + " readBuf=" + readBuf[j] + " orig=" + orig[j]);
+                        throw new RuntimeException("j=" + j + " readBuf=" + readBuf[j] + " orig=" + orig[j]);
                 }
                 boolean ok = (-1 == i.read());
-                if (!ok) throw new RuntimeException("wtf, not EOF after the data?");
+                if (!ok) throw new RuntimeException("not EOF after the data?");
                 //System.out.println("Match ok");
                 // try both closing and not
                 if ((k % 2) != 0)
diff --git a/core/java/src/net/i2p/util/SimpleScheduler.java b/core/java/src/net/i2p/util/SimpleScheduler.java
index 7e3ca5e9f..ad87667c9 100644
--- a/core/java/src/net/i2p/util/SimpleScheduler.java
+++ b/core/java/src/net/i2p/util/SimpleScheduler.java
@@ -170,9 +170,9 @@ public class SimpleScheduler {
                 _log.debug("Running: " + _timedEvent);
             long before = System.currentTimeMillis();
             if (_log.shouldLog(Log.WARN) && before < _scheduled - 100)
-                _log.warn(_name + " wtf, early execution " + (_scheduled - before) + ": " + _timedEvent);
+                _log.warn(_name + " early execution " + (_scheduled - before) + ": " + _timedEvent);
             else if (_log.shouldLog(Log.WARN) && before > _scheduled + 1000)
-                _log.warn(" wtf, late execution " + (before - _scheduled) + ": " + _timedEvent + debug());
+                _log.warn("late execution " + (before - _scheduled) + ": " + _timedEvent + debug());
             try {
                 _timedEvent.timeReached();
             } catch (Throwable t) {
@@ -180,7 +180,7 @@ public class SimpleScheduler {
             }
             long time = System.currentTimeMillis() - before;
             if (time > 1000 && _log.shouldLog(Log.WARN))
-                _log.warn(_name + " wtf, event execution took " + time + ": " + _timedEvent);
+                _log.warn(_name + " event execution took " + time + ": " + _timedEvent);
             if (_log.shouldLog(Log.INFO)) {
                  // this call is slow - iterates through a HashMap -
                  // would be better to have a local AtomicLong if we care
diff --git a/core/java/src/net/metanotion/io/block/index/BSkipLevels.java b/core/java/src/net/metanotion/io/block/index/BSkipLevels.java
index 4d089d45c..3d15bcba1 100644
--- a/core/java/src/net/metanotion/io/block/index/BSkipLevels.java
+++ b/core/java/src/net/metanotion/io/block/index/BSkipLevels.java
@@ -173,7 +173,7 @@ public class BSkipLevels<K extends Comparable<? super K>, V> extends SkipLevels<
 				// TODO also check that the level[] array is not out-of-order
 			} else {
 				if (bf.log.shouldLog(Log.WARN))
-					bf.log.warn("WTF " + this + " i = " + i + " of " +
+					bf.log.warn(this + " i = " + i + " of " +
 						    lps.length + " / " + levels.length +
 						    " valid levels but page is zero");
 				levels[i] = null;
diff --git a/core/java/src/net/metanotion/util/skiplist/SkipLevels.java b/core/java/src/net/metanotion/util/skiplist/SkipLevels.java
index cc0e15db3..74fd0ed47 100644
--- a/core/java/src/net/metanotion/util/skiplist/SkipLevels.java
+++ b/core/java/src/net/metanotion/util/skiplist/SkipLevels.java
@@ -202,11 +202,11 @@ public class SkipLevels<K extends Comparable<? super K>, V> implements Flushable
 		if((bottom.nKeys == 0) && (sl.first != bottom)) {
 			// from debugging other problems
 			if (res == null) {
-				_log.warn("WTF killing with no return value " + print());
+				_log.warn("killing with no return value " + print());
 			} else if (res[1] == null) {
-				_log.warn("WTF killing with no return value 1 " + print());
+				_log.warn("killing with no return value 1 " + print());
 			} else if (res[1] != this) {
-				_log.warn("WTF killing with return value not us " + res[1] + ' ' + print());
+				_log.warn("killing with return value not us " + res[1] + ' ' + print());
 			}
 			this.killInstance();
 		}
diff --git a/core/java/test/junit/net/i2p/crypto/AESInputStream.java b/core/java/test/junit/net/i2p/crypto/AESInputStream.java
index c489cae7c..17e19a1c0 100644
--- a/core/java/test/junit/net/i2p/crypto/AESInputStream.java
+++ b/core/java/test/junit/net/i2p/crypto/AESInputStream.java
@@ -195,7 +195,7 @@ public class AESInputStream extends FilterInputStream {
             throw new IOException("Error decrypting - no data to decrypt");
         
         if (_decryptedSize != 0)
-            throw new IOException("wtf, decrypted size is not 0? " + _decryptedSize);
+            throw new IOException("decrypted size is not 0? " + _decryptedSize);
         
         _context.aes().decrypt(_encryptedBuf, 0, _encryptedBuf, 0, _key, _lastBlock, BLOCK_SIZE);
         DataHelper.xor(_encryptedBuf, 0, _lastBlock, 0, _encryptedBuf, 0, BLOCK_SIZE);
@@ -467,4 +467,4 @@ public class AESInputStream extends FilterInputStream {
         }
         //try { Thread.sleep(5000); } catch (Throwable t) {}
     }
-}
\ No newline at end of file
+}
diff --git a/router/java/test/junit/net/i2p/router/transport/BandwidthLimitedOutputStream.java b/router/java/test/junit/net/i2p/router/transport/BandwidthLimitedOutputStream.java
index bc2c07b28..5c8487818 100644
--- a/router/java/test/junit/net/i2p/router/transport/BandwidthLimitedOutputStream.java
+++ b/router/java/test/junit/net/i2p/router/transport/BandwidthLimitedOutputStream.java
@@ -61,7 +61,7 @@ public class BandwidthLimitedOutputStream extends FilterOutputStream {
         if (src == null) return;
         if (len <= 0) return;
         if (len + off > src.length)
-            throw new IllegalArgumentException("wtf are you thinking?  len=" + len 
+            throw new IllegalArgumentException("what are you thinking?  len=" + len 
                                                + ", off=" + off + ", data=" + src.length);
         _currentRequest = _context.bandwidthLimiter().requestOutbound(len, 0, _peerTarget);