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https://issues.apache.org/jira/browse/HBASE-20859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16535766#comment-16535766
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Ted Yu commented on HBASE-20859:
--------------------------------
Without fix, the following fails:
{code}
Assert.assertTrue(bulkOutputDir.toString().startsWith(fooHomeDirectory.toString()));
{code}
Can you add some text to the assertion saying why the assertion fails ?
> 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
> Affects Versions: 2.0.0
> Reporter: Wei-Chiu Chuang
> Assignee: Wei-Chiu Chuang
> Priority: Major
> Attachments: HBASE-20859.master.001.patch,
> HBASE-20859.master.002.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.
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