partial revert of 6df9f4e154d148867ee158cbe9e9acf3fb73d680

apps/streaming/java/src/net/i2p/client/streaming/ConnectionDataReceiver.java

@@ -116,7 +116,7 @@ class ConnectionDataReceiver implements MessageOutputStream.DataReceiver {
      * @param buf data to be sent - may be null
      * @param off offset into the buffer to start writing from
      * @param size how many bytes of the buffer to write (may be 0)
-     * @return the packet sent, or null if the connection died
+     * @return the packet sent
      */
     public PacketLocal send(byte buf[], int off, int size) {
         return send(buf, off, size, false);

core/java/src/net/i2p/util/Clock.java

@@ -113,7 +113,7 @@ public class Clock implements Timestamper.UpdateListener {
     /*
      * @return the current delta from System.currentTimeMillis() in milliseconds
      */
-    public synchronized long getOffset() {
+    public long getOffset() {
         return _offset;
     }
     

router/java/src/net/i2p/router/TunnelPoolSettings.java

@@ -283,6 +283,7 @@ public class TunnelPoolSettings {
     }
     
     private static final boolean getBoolean(String str, boolean defaultValue) { 
+        if (str == null) return defaultValue;
         boolean v = Boolean.parseBoolean(str) ||
                     (str != null && "YES".equals(str.toUpperCase(Locale.US)));
         return v;