Github user leocook commented on the issue: https://github.com/apache/spark/pull/9168 I just add principal&keytab conf when submit my job like blow: ``` --principal=xxxx@yyyyyy \ --keytab=aaaaa.keytab \ ``` And <code>spark.hadoop.fs.hdfs.impl.disable.cache=true</code> is not necessaryï¼the <code>fs.hdfs.impl.disable.cache</code> has already been set to true in <code>https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/lib/service/hadoop/FileSystemAccessService.java</code>
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