cdh yarn 啓動失敗

啓動錯誤信息以下

Service org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService failed in state INITED; cause: org.fusesource.leveldbjni.internal.NativeDB$DBException: Corruption: CURRENT file does not end with newline
org.fusesource.leveldbjni.internal.NativeDB$DBException: Corruption: CURRENT file does not end with newline
    at org.fusesource.leveldbjni.internal.NativeDB.checkStatus(NativeDB.java:200)
    at org.fusesource.leveldbjni.internal.NativeDB.open(NativeDB.java:218)
    at org.fusesource.leveldbjni.JniDBFactory.open(JniDBFactory.java:168)
    at org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.initStorage(NMLeveldbStateStoreService.java:864)
    at org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.serviceInit(NMStateStoreService.java:195)
    at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
    at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartRecoveryStore(NodeManager.java:155)
    at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:193)
    at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
    at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:462)
    at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:509)

問題應該是，虛擬斷電形成的問題見錯誤。
CURRENT 文件在/var/lib/hadoop-yarn/yarn-nm-recovery/yarn-nm-state目錄序下，
這個文件是自動生成，將CURRENT 文件刪除後，重啓yarn服務便可。