我刚刚安装了 hadoop 2.6.0，在格式化名称节点时，它在以下几行停止并且没有退出代码返回。
STARTUP_MSG：build = https://git-wip-us.apache.org/repos/asf/hadoop.git -r e3496499ecb8d220fba99dc5ed4c99c8f9e33bb1；'jenkins' 于 2014-11-13T21:10Z 编译 STARTUP_MSG: java = 1.7.0_79
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15/08/28 18:45:22 INFO namenode.NameNode: 注册的 UNIX 信号处理程序[TERM, HUP, INT]
15/08/28 18:45:22 INFO namenode.NameNode: createNameNode [–format]
用法：java NameNode [-backup] |
[-检查点] |
[-format [-clusterid cid] [-force] [-nonInteractive]] |
[-upgrade [-clusterid cid] [-renameReserved] ] |
[-upgradeOnly [-clusterid cid] [-renameReserved] ] |
[-回滚] |
[-rollingUpgrade] |
[-完成] |
[-importCheckpoint] |
[-initializeSharedEdits] |
[-bootstrapStandby] |
[-recover [-force]] |
[-metadataVersion ] ]
15/08/28 18:45:22 INFO namenode.NameNode: SHUTDOWN_MSG:
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