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https://issues.apache.org/jira/browse/HBASE-25206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17220348#comment-17220348
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Hudson commented on HBASE-25206:
--------------------------------
Results for branch branch-2.3
[build #89 on
builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2.3/89/]:
(x) *{color:red}-1 overall{color}*
----
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(x) {color:red}-1 general checks{color}
-- For more information [see general
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2.3/89/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
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(/) {color:green}+1 jdk8 hadoop3 checks{color}
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(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Data loss can happen if a cloned table loses original split region(delete
> table)
> --------------------------------------------------------------------------------
>
> Key: HBASE-25206
> URL: https://issues.apache.org/jira/browse/HBASE-25206
> Project: HBase
> Issue Type: Bug
> Components: proc-v2, Region Assignment, snapshots
> Reporter: Toshihiro Suzuki
> Assignee: Toshihiro Suzuki
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.3.3, 2.4.0, 2.2.7
>
>
> Steps to reproduce are as follows:
> 1. Create a table and put some data into the table:
> {code:java}
> create 'test1','cf'
> put 'test1','r1','cf','v1'
> put 'test1','r2','cf','v2'
> put 'test1','r3','cf','v3'
> put 'test1','r4','cf','v4'
> put 'test1','r5','cf','v5'
> {code}
> 2. Take a snapshot for the table:
> {code:java}
> snapshot 'test1','snap_test'
> {code}
> 3. Clone the snapshot to another table
> {code:java}
> clone_snapshot 'snap_test','test2'
> {code}
> 4. Split the original table
> {code:java}
> split 'test1','r3'
> {code}
> 5. Drop the original table
> {code:java}
> disable 'test1'
> drop 'test1'
> {code}
> After that, we see the error like the following in RS log when opening the
> regions of the cloned table:
> {code:java}
> 2020-10-20 13:32:18,415 WARN org.apache.hadoop.hbase.regionserver.HRegion:
> Failed initialize of region=
> test2,,1603200595702.bebdc4f740626206eeccad96b7643261., starting to roll back
> memstore
> java.io.IOException: java.io.IOException: java.io.FileNotFoundException:
> Unable to open link: org.apache.hadoop.hbase.io.HFileLink
> locations=[hdfs://<NN
> HOST>:8020/hbase/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89,
> hdfs://<NN
> HOST>:8020/hbase/.tmp/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89,
> hdfs://<NN
> HOST>:8020/hbase/mobdir/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89,
> hdfs://<NN
> HOST>:8020/hbase/archive/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89]
> at
> org.apache.hadoop.hbase.regionserver.HRegion.initializeStores(HRegion.java:1095)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.initializeRegionInternals(HRegion.java:943)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:899)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7246)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7204)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7176)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7134)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7085)
> at
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:283)
> at
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:108)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.io.IOException: java.io.FileNotFoundException: Unable to open
> link: org.apache.hadoop.hbase.io.HFileLink locations=[hdfs://<NN
> HOST>:8020/hbase/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89,
> hdfs://<NN
> HOST>:8020/hbase/.tmp/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89,
> hdfs://<NN
> HOST>:8020/hbase/mobdir/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89,
> hdfs://<NN
> HOST>:8020/hbase/archive/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89]
> at
> org.apache.hadoop.hbase.regionserver.HStore.openStoreFiles(HStore.java:590)
> at
> org.apache.hadoop.hbase.regionserver.HStore.loadStoreFiles(HStore.java:557)
> at org.apache.hadoop.hbase.regionserver.HStore.<init>(HStore.java:303)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:5731)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:1059)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:1056)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ... 3 more
> Caused by: java.io.FileNotFoundException: Unable to open link:
> org.apache.hadoop.hbase.io.HFileLink locations=[hdfs://<NN
> HOST>:8020/hbase/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89,
> hdfs://<NN
> HOST>:8020/hbase/.tmp/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89,
> hdfs://<NN
> HOST>:8020/hbase/mobdir/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89,
> hdfs://<NN
> HOST>:8020/hbase/archive/data/default/test1/349b766b1b38e21f627ed4e441ae643c/cf/b6e39865710345c8998dec0bcc94cc89]
> at
> org.apache.hadoop.hbase.io.FileLink$FileLinkInputStream.tryOpen(FileLink.java:322)
> at
> org.apache.hadoop.hbase.io.FileLink$FileLinkInputStream.<init>(FileLink.java:126)
> at
> org.apache.hadoop.hbase.io.FileLink$FileLinkInputStream.<init>(FileLink.java:117)
> at org.apache.hadoop.hbase.io.FileLink.open(FileLink.java:429)
> at
> org.apache.hadoop.hbase.io.FSDataInputStreamWrapper.<init>(FSDataInputStreamWrapper.java:125)
> at
> org.apache.hadoop.hbase.io.FSDataInputStreamWrapper.<init>(FSDataInputStreamWrapper.java:107)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileInfo.open(StoreFileInfo.java:261)
> at
> org.apache.hadoop.hbase.regionserver.HStoreFile.open(HStoreFile.java:368)
> at
> org.apache.hadoop.hbase.regionserver.HStoreFile.initReader(HStoreFile.java:476)
> at
> org.apache.hadoop.hbase.regionserver.HStore.createStoreFileAndReader(HStore.java:703)
> at
> org.apache.hadoop.hbase.regionserver.HStore.lambda$openStoreFiles$1(HStore.java:573)
> ... 6 more
> {code}
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