hadoop.security.AccessControlException: Client cannot authenticate via 报错了

Question

 while invoking ApplicationClientProtocolPBClientImpl.getClusterMetrics over null after 25 failover attempts. Trying to failover after sleeping for 39869ms.
20/03/16 14:13:00 WARN ipc.Client: Exception encountered while connecting to the server : org.apache.hadoop.security.AccessControlException: Client cannot authenticate via:[TOKEN, KERBEROS]
20/03/16 14:13:00 INFO retry.RetryInvocationHandler: java.io.IOException: Failed on local exception: java.io.IOException: org.apache.hadoop.security.AccessControlException: Client cannot authenticate via:[TOKEN, KERBEROS]; Host Details : local host is:

Answer 1

1.  看下时差，/etc/hosts

2. 发完整日志。