[
https://issues.apache.org/jira/browse/HBASE-20859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16541018#comment-16541018
]
Reid Chan commented on HBASE-20859:
-----------------------------------
{code}
/** Don't use it! This'll get you the wrong path in a secure cluster.
* Use FileSystem.getHomeDirectory() or
* "/user/" + UserGroupInformation.getCurrentUser().getShortUserName() */
{code}
This docs style is not good??
Or at least we can file a jira for {{beginner}}.
> Backup and incremental load could fail in secure clusters
> ---------------------------------------------------------
>
> Key: HBASE-20859
> URL: https://issues.apache.org/jira/browse/HBASE-20859
> Project: HBase
> Issue Type: Bug
> Components: backup&restore
> Reporter: Wei-Chiu Chuang
> Assignee: Wei-Chiu Chuang
> Priority: Major
> Fix For: 3.0.0
>
> Attachments: HBASE-20859.master.001.patch,
> HBASE-20859.master.002.patch, HBASE-20859.master.003.patch
>
>
> HBase Backup and incremental load uses
> HConstants.DEFAULT_TEMPORARY_HDFS_DIRECTORY for temporary path.
> HConstants.DEFAULT_TEMPORARY_HDFS_DIRECTORY uses the Java runtime user name
> to generate a temporary path on HDFS. This can be a wrong assumption in a
> secure cluster where Kerberos principal name can be different from the system
> user name.
> {code:java}
> public static final String DEFAULT_TEMPORARY_HDFS_DIRECTORY = "/user/"
> + System.getProperty("user.name") + "/hbase-staging";
> {code}
> This constant variable is used in BackupUtils.java and HFileOutputFormat2.java
> In such cases, you will not be able to write files to the temporary location
> on HDFS due to permission error, and therefore operations such as backup will
> fail.
> This bug is similar in nature to HDFS-12485.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
