Here is the log:
d:\java\chainsaw-1.1>java -classpath log4j-1.2.13.jar;chainsaw-1.1.jar -Dchainsa
w.port=4444 com.puppycrawl.tools.chainsaw.Main
[Thread-3] INFO com.puppycrawl.tools.chainsaw.LoggingReceiver - Thread started
[Thread-3] DEBUG com.puppycrawl.tools.chainsaw.LoggingReceiver - Waiting for a connection
[Thread-3] DEBUG com.puppycrawl.tools.chainsaw.LoggingReceiver - Got a connection from 127.0.0.1
[Thread-3] DEBUG com.puppycrawl.tools.chainsaw.LoggingReceiver - Waiting for a connection
[Thread-6] DEBUG com.puppycrawl.tools.chainsaw.LoggingReceiver - Starting to get data
[Thread-6] INFO com.puppycrawl.tools.chainsaw.LoggingReceiver - Reached EOF, closing connection
It looks like it closed connection before receiving or displaying any data.