Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/17872#discussion_r115186429
--- Diff:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/security/HadoopFSCredentialProvider.scala
---
@@ -48,9 +50,16 @@ private[security] class HadoopFSCredentialProvider
val tmpCreds = new Credentials()
val tokenRenewer = getTokenRenewer(hadoopConf)
hadoopFSsToAccess(hadoopConf, sparkConf).foreach { dst =>
- val dstFs = dst.getFileSystem(hadoopConf)
- logInfo("getting token for: " + dst)
- dstFs.addDelegationTokens(tokenRenewer, tmpCreds)
+ try {
+ val dstFs = dst.getFileSystem(hadoopConf)
+ logInfo("getting token for: " + dst)
+ dstFs.addDelegationTokens(tokenRenewer, tmpCreds)
+ } catch {
+ case e: StandbyException =>
+ logWarning(s"Namenode ${dst} is in state standby", e)
--- End diff --
What I mean is that if "RemoteException" is caused by others, it is not
correct to log as "Namenode ${dst} is in state standby".
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