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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2018/09/25 00:58:00 UTC

[jira] [Commented] (HBASE-21219) Hbase incremental backup fails with null pointer exception

    [ https://issues.apache.org/jira/browse/HBASE-21219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16626634#comment-16626634 ] 

Ted Yu commented on HBASE-21219:
--------------------------------

{code}
307	          LOG.warn("Known hosts (from newestTimestamps):");
308	          for (String s: newestTimestamps.keySet()) {
309	            LOG.warn(s);
{code}
The above seems to be for debug purpose. Use LOG.debug ?

> Hbase incremental backup fails with null pointer exception
> ----------------------------------------------------------
>
>                 Key: HBASE-21219
>                 URL: https://issues.apache.org/jira/browse/HBASE-21219
>             Project: HBase
>          Issue Type: Bug
>          Components: backup&amp;restore
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>            Priority: Major
>             Fix For: 3.0.0
>
>         Attachments: HBASE-21219-v1.patch
>
>
> hbase backup create incremental hdfs:///bkpHbase_Test/bkpHbase_Test2 -t bkpHbase_Test2 
> 2018-09-21 15:35:31,421 INFO [main] impl.TableBackupClient: Backup backup_1537524313995 started at 1537524331419. 2018-09-21 15:35:31,454 INFO [main] impl.IncrementalBackupManager: Execute roll log procedure for incremental backup ... 2018-09-21 15:35:32,985 ERROR [main] impl.TableBackupClient: Unexpected Exception : java.lang.NullPointerException java.lang.NullPointerException at org.apache.hadoop.hbase.backup.impl.IncrementalBackupManager.getLogFilesForNewBackup(IncrementalBackupManager.java:309) at org.apache.hadoop.hbase.backup.impl.IncrementalBackupManager.getIncrBackupLogFileMap(IncrementalBackupManager.java:103) at org.apache.hadoop.hbase.backup.impl.IncrementalTableBackupClient.execute(IncrementalTableBackupClient.java:276) at org.apache.hadoop.hbase.backup.impl.BackupAdminImpl.backupTables(BackupAdminImpl.java:601) at org.apache.hadoop.hbase.backup.impl.BackupCommands$CreateCommand.execute(BackupCommands.java:347) at org.apache.hadoop.hbase.backup.BackupDriver.parseAndRun(BackupDriver.java:138) at org.apache.hadoop.hbase.backup.BackupDriver.doWork(BackupDriver.java:171) at org.apache.hadoop.hbase.backup.BackupDriver.run(BackupDriver.java:204) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76) at org.apache.hadoop.hbase.backup.BackupDriver.main(BackupDriver.java:179) 2018-09-21 15:35:32,989 ERROR [main] impl.TableBackupClient: BackupId=backup_1537524313995,startts=1537524331419,failedts=1537524332989,failedphase=PREPARE_INCREMENTAL,failedmessage=null 2018-09-21 15:35:57,167 ERROR [main] impl.TableBackupClient: Backup backup_1537524313995 failed. 
> Backup session finished. Status: FAILURE 2018-09-21 15:35:57,175 ERROR [main] backup.BackupDriver: Error running 
> command-line tool java.io.IOException: java.lang.NullPointerException at org.apache.hadoop.hbase.backup.impl.IncrementalTableBackupClient.execute(IncrementalTableBackupClient.java:281) at org.apache.hadoop.hbase.backup.impl.BackupAdminImpl.backupTables(BackupAdminImpl.java:601) at org.apache.hadoop.hbase.backup.impl.BackupCommands$CreateCommand.execute(BackupCommands.java:347) at org.apache.hadoop.hbase.backup.BackupDriver.parseAndRun(BackupDriver.java:138) at org.apache.hadoop.hbase.backup.BackupDriver.doWork(BackupDriver.java:171) at org.apache.hadoop.hbase.backup.BackupDriver.run(BackupDriver.java:204) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76) at org.apache.hadoop.hbase.backup.BackupDriver.main(BackupDriver.java:179) Caused by: java.lang.NullPointerException at org.apache.hadoop.hbase.backup.impl.IncrementalBackupManager.getLogFilesForNewBackup(IncrementalBackupManager.java:309) at org.apache.hadoop.hbase.backup.impl.IncrementalBackupManager.getIncrBackupLogFileMap(IncrementalBackupManager.java:103) at org.apache.hadoop.hbase.backup.impl.IncrementalTableBackupClient.execute(IncrementalTableBackupClient.java:276) ... 7 more



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