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https://issues.apache.org/jira/browse/HBASE-28079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17765360#comment-17765360
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Hudson commented on HBASE-28079:
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Results for branch master
[build #904 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/904/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/904/General_20Nightly_20Build_20Report/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/904/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/master/904/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}
> Unhandled TableExistsException and NamespaceExistException in
> BackupSystemTable
> -------------------------------------------------------------------------------
>
> Key: HBASE-28079
> URL: https://issues.apache.org/jira/browse/HBASE-28079
> Project: HBase
> Issue Type: Bug
> Reporter: Bryan Beaudreault
> Assignee: Bryan Beaudreault
> Priority: Major
> Fix For: 2.6.0, 3.0.0-beta-1
>
>
> Most backup-related operations instantiate a BackupSystemTable object. The
> first thing it does is check that the {{backup}} namespace and backup-related
> tables exist, and create them if not. One way in which this can be triggered
> is via LoadIncrementalHFiles, which can load files with a configurable number
> of threads. When bulkLoadHFile is called, a preCommitHFile hook is triggered
> which does the above. With a certain level of concurrency, one can easily
> trigger a race condition on creating the namespace or tables. This exception
> bubbles up and fails the bulkload.
> We should catch TableExistsException and NamespaceExistException in
> BackupSystemTable initialization so that these do not cause client pain.
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