啓動hadoop 2.5.2輸入jps查看datanode未啓動

STARTUP_MSG: Starting DataNode STARTUP_MSG:   host = slave/192.168.242.139 STARTUP_MSG:   args = [] STARTUP_MSG:   version = 2.5.2 STARTUP_MSG:   classpath = /home/zkpk/hadoop-2.5.2/etc/hadoop:/home/z

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