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https://issues.apache.org/jira/browse/HBASE-28460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17833730#comment-17833730
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Hudson commented on HBASE-28460:
--------------------------------
Results for branch branch-3
[build #176 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/176/]:
(/) *{color:green}+1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/176/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/176/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/176/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Full backup restore fails for empty HFiles
> ------------------------------------------
>
> Key: HBASE-28460
> URL: https://issues.apache.org/jira/browse/HBASE-28460
> Project: HBase
> Issue Type: Bug
> Components: backup&restore
> Reporter: Dieter De Paepe
> Assignee: Dieter De Paepe
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.6.0, 3.0.0-beta-2
>
>
> A full backup restore fails if the backup contains an empty HFile, for
> example when all data has been deleted from a table and full compaction has
> run. There are several issues:
> * HFiles are read in `RestoreTool` to read the first/last key, but this
> fails for empty HFiles
> * In `RestoreTool`, table creation also incorrectly assumes the region
> contains keys
> * In `MapReduceRestoreJob`, the tool incorrectly assumes that a bulkload
> with no loaded entries is an error.
> Example stacktrace:
> {code:java}
> 24/03/21 18:38:09 ERROR org.apache.hadoop.hbase.backup.util.BackupUtils:
> java.util.NoSuchElementException: No value present
> java.util.NoSuchElementException: No value present
> at java.base/java.util.Optional.get(Optional.java:143)
> at
> org.apache.hadoop.hbase.backup.util.RestoreTool.generateBoundaryKeys(RestoreTool.java:440)
> at
> org.apache.hadoop.hbase.backup.util.RestoreTool.checkAndCreateTable(RestoreTool.java:493)
> at
> org.apache.hadoop.hbase.backup.util.RestoreTool.createAndRestoreTable(RestoreTool.java:351)
> at
> org.apache.hadoop.hbase.backup.util.RestoreTool.fullRestoreTable(RestoreTool.java:211)
> at
> org.apache.hadoop.hbase.backup.impl.RestoreTablesClient.restoreImages(RestoreTablesClient.java:151)
> at
> org.apache.hadoop.hbase.backup.impl.RestoreTablesClient.restore(RestoreTablesClient.java:229)
> at
> org.apache.hadoop.hbase.backup.impl.RestoreTablesClient.execute(RestoreTablesClient.java:265)
> at
> org.apache.hadoop.hbase.backup.impl.BackupAdminImpl.restore(BackupAdminImpl.java:518)
> at
> org.apache.hadoop.hbase.backup.RestoreDriver.parseAndRun(RestoreDriver.java:176)
> at
> org.apache.hadoop.hbase.backup.RestoreDriver.doWork(RestoreDriver.java:216)
> at
> org.apache.hadoop.hbase.backup.RestoreDriver.run(RestoreDriver.java:252)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:82)
> at
> org.apache.hadoop.hbase.backup.RestoreDriver.main(RestoreDriver.java:224)
> 24/03/21 18:38:09 ERROR org.apache.hadoop.hbase.backup.RestoreDriver: Error
> while running restore backup
> java.lang.IllegalStateException: Cannot restore hbase table
> at
> org.apache.hadoop.hbase.backup.util.RestoreTool.createAndRestoreTable(RestoreTool.java:360)
> at
> org.apache.hadoop.hbase.backup.util.RestoreTool.fullRestoreTable(RestoreTool.java:211)
> at
> org.apache.hadoop.hbase.backup.impl.RestoreTablesClient.restoreImages(RestoreTablesClient.java:151)
> at
> org.apache.hadoop.hbase.backup.impl.RestoreTablesClient.restore(RestoreTablesClient.java:229)
> at
> org.apache.hadoop.hbase.backup.impl.RestoreTablesClient.execute(RestoreTablesClient.java:265)
> at
> org.apache.hadoop.hbase.backup.impl.BackupAdminImpl.restore(BackupAdminImpl.java:518)
> at
> org.apache.hadoop.hbase.backup.RestoreDriver.parseAndRun(RestoreDriver.java:176)
> at
> org.apache.hadoop.hbase.backup.RestoreDriver.doWork(RestoreDriver.java:216)
> at
> org.apache.hadoop.hbase.backup.RestoreDriver.run(RestoreDriver.java:252)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:82)
> at
> org.apache.hadoop.hbase.backup.RestoreDriver.main(RestoreDriver.java:224)
> Caused by: java.util.NoSuchElementException: No value present
> at java.base/java.util.Optional.get(Optional.java:143)
> at
> org.apache.hadoop.hbase.backup.util.RestoreTool.generateBoundaryKeys(RestoreTool.java:440)
> at
> org.apache.hadoop.hbase.backup.util.RestoreTool.checkAndCreateTable(RestoreTool.java:493)
> at
> org.apache.hadoop.hbase.backup.util.RestoreTool.createAndRestoreTable(RestoreTool.java:351)
> ... 10 more {code}
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