HeartSaVioR commented on a change in pull request #28336:
URL: https://github.com/apache/spark/pull/28336#discussion_r421850063
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File path:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala
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@@ -863,10 +864,22 @@ object ApplicationMaster extends Logging {
val ugi = sparkConf.get(PRINCIPAL) match {
// We only need to log in with the keytab in cluster mode. In client
mode, the driver
// handles the user keytab.
- case Some(principal) if amArgs.userClass != null =>
+ case Some(principal) if master.isClusterMode =>
val originalCreds =
UserGroupInformation.getCurrentUser().getCredentials()
SparkHadoopUtil.get.loginUserFromKeytab(principal,
sparkConf.get(KEYTAB).orNull)
val newUGI = UserGroupInformation.getCurrentUser()
+
+ if (master.appAttemptId == null && master.appAttemptId.getAttemptId >
1) {
Review comment:
Sigh. Looks like I did a silly mistake while negating. Nice finding.
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