src/main/java/org/apache/log4j/receivers/net/MulticastAppender.java [204:218]:
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      try {
        StringBuffer buf = new StringBuffer(layout.format(event));

        byte[] payload;
        if(encoding == null) {
          payload = buf.toString().getBytes();
        } else {
          payload = buf.toString().getBytes(encoding);
        }

        DatagramPacket dp =
           new DatagramPacket(payload, payload.length, address, port);
        outSocket.send(dp);
      } catch (IOException e) {
        outSocket = null;
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src/main/java/org/apache/log4j/receivers/net/UDPAppender.java [224:238]:
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      try {
        StringBuffer buf = new StringBuffer(layout.format(event));

        byte[] payload;
        if(encoding == null) {
          payload = buf.toString().getBytes();
        } else {
          payload = buf.toString().getBytes(encoding);
        }

        DatagramPacket dp =
           new DatagramPacket(payload, payload.length, address, port);
        outSocket.send(dp);
      } catch (IOException e) {
        outSocket = null;
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