有人知道如何在分布式 hadoop 集群上安装 katta 吗？我正在尝试设置它，但它无法识别我配置的任何节点。
这是日志的摘录
2012-10-18 18:53:32,673 INFO net.sf.katta.protocol.upgrade.UpgradeRegistry:52 - version of distribution 0.6.4
2012-10-18 18:53:32,673 INFO net.sf.katta.protocol.upgrade.UpgradeRegistry:53 - version of cluster 0.6.4
2012-10-18 18:53:32,679 INFO net.sf.katta.master.Master:118 - datanode2_bf6a0029-b1dd-4462-85a7-64ddfc89988d became master with 1 waiting master operations
2012-10-18 18:53:32,680 INFO net.sf.katta.master.Master:161 - start managing nodes...
2012-10-18 18:53:32,701 INFO net.sf.katta.master.Master:189 - found following nodes connected: []
2012-10-18 18:53:32,703 INFO net.sf.katta.master.OperatorThread:68 - starting...
2012-10-18 18:53:32,705 INFO net.sf.katta.master.OperatorThread:150 - SAFE MODE: No nodes available or state unstable within the last 20000 ms.
2012-10-18 18:53:37,706 INFO net.sf.katta.master.OperatorThread:150 - SAFE MODE: No nodes available or state unstable within the last 20000 ms.
2012-10-18 18:53:42,707 INFO net.sf.katta.master.OperatorThread:150 - SAFE MODE: No nodes available or state unstable within the last 20000 ms.
2012-10-18 18:53:47,709 INFO net.sf.katta.master.OperatorThread:150 - SAFE MODE: No nodes available or state unstable within the last 20000 ms.
2012-10-18 18:53:52,710 INFO net.sf.katta.master.OperatorThread:150 - SAFE MODE: No nodes available or state unstable within the last 20000 ms.
2012-10-18 18:53:57,712 INFO net.sf.katta.master.OperatorThread:150 - SAFE MODE: No nodes available or state unstable within the last 20000 ms.