日志：
WARN org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer: U
nable to trigger a roll of the active NN
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operatio
n category JOURNAL is not supported in state standby
at org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(Standb
yState.java:87)
at org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOpera
tion(NameNode.java:1722)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesys
tem.java:1352)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.rollEditLog(FSNamesystem
.java:6369)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.rollEditLog(NameNod
eRpcServer.java:989)
at org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolServerSideTranslatorPB.rol
lEditLog(NamenodeProtocolServerSideTranslatorPB.java:142)
at org.apache.hadoop.hdfs.protocol.proto.NamenodeProtocolProtos$NamenodeProtoco
lService$2.callBlockingMethod(NamenodeProtocolProtos.java:12025)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(Proto
bufRpcEngine.java:619)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:975)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2040)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2036)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.ja
va:1656)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2034)
at org.apache.hadoop.ipc.Client.call(Client.java:1469)
at org.apache.hadoop.ipc.Client.call(Client.java:1400)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.jav
a:232)
at com.sun.proxy.$Proxy15.rollEditLog(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolTranslatorPB.rollEditLog(N
amenodeProtocolTranslatorPB.java:148)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer.triggerActiveLogRoll
(EditLogTailer.java:271)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer.access$600(EditLogTa
iler.java:61)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.
doWork(EditLogTailer.java:313)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.
access$200(EditLogTailer.java:282)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$
1.run(EditLogTailer.java:299)
at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.ja
va:412)
at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread
我先启动zookeeper各个节点，leader和follower
Hadoop和zookeeper格式化均没有问题，但是还是无法自动选举