1 files changed, 10 insertions, 3 deletions
diff --git a/src/IvyWatcher.java b/src/IvyWatcher.java
index 004c704..d64b0d6 100755
--- a/src/IvyWatcher.java
+++ b/src/IvyWatcher.java
@@ -22,6 +22,11 @@ import java.util.Enumeration;
  * thing.
  *
  * CHANGELOG:
+ * 1.2.1:
+ *  - changed the fill character from 0 to 10, in order to prevent a nasty bug
+ *    on Windows XP machines
+ *  - fixed a NullPointerException while trying to stop a Thread before having
+ *    created it.
  * 1.0.12:
  *  - setSoTimeout on socket
  *  - the broadcast reader Thread goes volatile
@@ -82,7 +87,9 @@ class IvyWatcher implements Runnable {
 	try {
 	  broadcast.receive(packet);
 	  String msg = new String(packet.getData()) ;
-	  for (int i=0;i<buf.length;i++) { buf[i]=0; } // clean up the buffer after each message
+	  for (int i=0;i<buf.length;i++) { buf[i]=10; }
+	    // clean up the buffer after each message
+	    // BUGFIX ? I change 0 to 10 in order to avoid a bug
 	  InetAddress remotehost = packet.getAddress();
 	  traceDebug("BUSWATCHER Receive Broadcast from "+ remotehost.getHostName()+":"+packet.getPort());
 	  // TODO if ( !isInDomain( remotehost ) ) continue;
@@ -135,7 +142,7 @@ class IvyWatcher implements Runnable {
     Thread t = listenThread;
     listenThread=null;
     broadcast.close();
-    t.interrupt();
+    if (t!=null) { t.interrupt(); } // it might not even have been created
     traceDebug("ending stopping an IvyWatcher");
   }
 
@@ -185,7 +192,7 @@ class IvyWatcher implements Runnable {
       System.out.println("Bad broascat addr " + net);
       return null;
     }
-    //System.out.println("net: "+net);
+    // System.out.println("net: "+net);
     return net;
   }