該日誌是最新的動向，就是建立了乙個新連線，傳送乙個請求後，立馬收到-1，伺服器端主動關閉連線。(該日誌資訊有些內容是我自己加入的。)
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: iterator
sun.nio.ch.selectionkeyimpl@1847f9b2
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: key is readable---------------192.168.2.20:48087
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: -------start read loop----------
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: get datalengthbuffer=4
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: set rpcheaderread=false
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: set rpcheaderread!-------
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: set rpcheaderread!------- rpcheaderbuffer=2
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: -------start read loop----------
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: get datalengthbuffer=0
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: 1count=0
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: ipc server listener on 8020 readselector=1
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: iterator
sun.nio.ch.selectionkeyimpl@1847f9b2
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: key is readable---------------192.168.2.20:48087
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: -------start read loop----------
2012-07-09 15:00:38,723 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: get datalengthbuffer=4
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: set rpcheaderread=true
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: create data bytes=57
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: set channelread!------- =57
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: set channelread data!------- =0
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: start process request informat bytes size=57
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: successfully authorized org.apache.hadoop.hdfs.protocol.clientprotocol-hadoop
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: -------start read loop----------
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: get datalengthbuffer=4
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: set rpcheaderread=true
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: create data bytes=211
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: set channelread!------- =211
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: set channelread data!------- =0
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: start process request informat bytes size=211
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: got #6362
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: return count=211
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: ipc server listener on 8020 readselector=1
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: iterator
sun.nio.ch.selectionkeyimpl@1847f9b2
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: key is readable---------------192.168.2.20:48087
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: -------start read loop----------
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: get datalengthbuffer=-1
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: 1count=-1
2012-07-09 15:00:38,724 [pool-1-thread-23] debug org.apache.hadoop.ipc.server: ipc server listener on 8020: disconnecting client 192.168.2.20:48087. number of active conne ctions: 44 wait for 2 second
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