Spark读Kudu时报认证问题

报错:WARN TaskSetManager: Lost task 3.0 in stage 17.0 (TID 2071, node135.bcwcluster.com, executor 3): java.lang.IllegalArgumentException: cannot import authentication data from a different user: old='', new='hdfs'
at org.apache.kudu.client.SecurityContext.checkUserMatches(SecurityContext.java:293)
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解决方法-CDH修改配置:gflagfile 的 Master 高级配置代码段（安全阀)为：

-rpc_encryption=disabled
-rpc_authentication=disabled
-trusted_subnets=0.0.0.0/0