查看日志发现一下的错误:
2018-10-08 15:29:26,373 FATAL org.apache.hadoop.hdfs.server.namenode.FSEditLog: Error: recoverUnfinalizedSegments failed for required journal (JournalAndStream(mgr=QJM to [192.168.135.71:8485, 192.168.135.72:8485, 192.168.135.73:8485], stream=null)) org.apache.hadoop.hdfs.qjournal.client.QuorumException: Got too many exceptions to achieve quorum size 2/3. 3 exceptions thrown: 192.168.135.72:8485: Call From mini2/192.168.135.72 to mini2:8485 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see: http://wi ki.apache.org/hadoop/ConnectionRefused 192.168.135.71:8485: Call From mini2/192.168.135.72 to mini1:8485 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see: http://wi ki.apache.org/hadoop/ConnectionRefused 192.168.135.73:8485: Call From mini2/192.168.135.72 to mini3:8485 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see: http://wi ki.apache.org/hadoop/ConnectionRefused
解决方法:
方法一:首先手动启动journalnode,再手动启动namenode
方法二:修改core-site.xml中的ipc参数