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https://issues.apache.org/jira/browse/HBASE-16655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15505118#comment-15505118
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Ted Yu commented on HBASE-16655:
--------------------------------
{code}
public static final String PROGRESS_CMD_USAGE = "Usage: hbase backup progress
<backupId>\n"
+ " backupId backup image id\n";
{code}
When backup session is in progress, user can obtain backupId from Proc V2 tab
of master UI.
> hbase backup describe with incorrect backup id results in NPE
> -------------------------------------------------------------
>
> Key: HBASE-16655
> URL: https://issues.apache.org/jira/browse/HBASE-16655
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Labels: backup
> Attachments: 16655.v2.txt, 16655.v3.txt
>
>
> If the user supplies backup Id which is non-existent, we would get
> NullPointerException :
> {code}
> 2016-09-19 10:26:50,771 ERROR [main] backup.BackupDriver(173): Error running
> command-line tool
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.backup.impl.BackupCommands$DescribeCommand.execute(BackupCommands.java:329)
> at
> org.apache.hadoop.hbase.backup.BackupDriver.parseAndRun(BackupDriver.java:114)
> at org.apache.hadoop.hbase.backup.BackupDriver.doWork(BackupDriver.java:135)
> at org.apache.hadoop.hbase.backup.BackupDriver.run(BackupDriver.java:171)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at
> org.apache.hadoop.hbase.backup.TestBackupDescribe.testBackupDescribe(TestBackupDescribe.java:67)
> {code}
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