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https://issues.apache.org/jira/browse/HDFS-6666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14494415#comment-14494415
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Hudson commented on HDFS-6666:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #7582 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/7582/])
HDFS-6666. Abort NameNode and DataNode startup if security is enabled but block
access token is not enabled. Contributed by Vijay Bhat. (cnauroth: rev
d45aa7647b1fecf81860ec7b563085be2af99a0b)
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecureNameNode.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocol/datatransfer/sasl/SaslDataTransferTestCase.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Abort NameNode and DataNode startup if security is enabled but block access
> token is not enabled.
> -------------------------------------------------------------------------------------------------
>
> Key: HDFS-6666
> URL: https://issues.apache.org/jira/browse/HDFS-6666
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, namenode, security
> Affects Versions: 2.7.1
> Reporter: Chris Nauroth
> Assignee: Vijay Bhat
> Priority: Minor
> Fix For: 2.8.0
>
> Attachments: HDFS-6666.001.patch, HDFS-6666.002.patch,
> HDFS-6666.003.patch, HDFS-6666.004.patch, HDFS-6666.005.patch
>
>
> Currently, if security is enabled by setting hadoop.security.authentication
> to kerberos, but HDFS block access tokens are disabled by setting
> dfs.block.access.token.enable to false (which is the default), then the
> NameNode logs an error and proceeds, and the DataNode proceeds without even
> logging an error. This jira proposes that this it's invalid to turn on
> security but not turn on block access tokens, and that it would be better to
> fail fast and abort the daemons during startup if this happens.
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