Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/16923#discussion_r102357394
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala
---
@@ -106,21 +106,27 @@ private[hive] class HiveClientImpl(
// Set up kerberos credentials for UserGroupInformation.loginUser
within
// current class loader
- // Instead of using the spark conf of the current spark context, a new
- // instance of SparkConf is needed for the original value of
spark.yarn.keytab
- // and spark.yarn.principal set in SparkSubmit, as yarn.Client resets
the
- // keytab configuration for the link name in distributed cache
- if (sparkConf.contains("spark.yarn.principal") &&
sparkConf.contains("spark.yarn.keytab")) {
+ if (sparkConf.contains("spark.yarn.principal")) {
--- End diff --
AFAIK, I think we still need to check different configurations for yarn
client and cluster mode. In cluster mode, checking "spark.yarn.keytab" should
be failed now, since it pointed to original file which doesn't exist in AM side.
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