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https://issues.apache.org/jira/browse/HBASE-24364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17112681#comment-17112681
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Hudson commented on HBASE-24364:
--------------------------------
Results for branch branch-2
[build #2670 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2670/]:
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> [Chaos Monkey] Invalid data block encoding in ChangeEncodingAction
> ------------------------------------------------------------------
>
> Key: HBASE-24364
> URL: https://issues.apache.org/jira/browse/HBASE-24364
> Project: HBase
> Issue Type: Bug
> Reporter: Yi Mei
> Assignee: Yi Mei
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.3.0, 2.2.5
>
>
> I found the following exception when I run ITBLL:
> {code:java}
> 2020-05-12 11:43:14,201 WARN [ChaosMonkey] policies.Policy: Exception
> performing action:
> java.lang.IllegalArgumentException: There is no data block encoder for given
> id '6'
> at
> org.apache.hadoop.hbase.io.encoding.DataBlockEncoding.getEncodingById(DataBlockEncoding.java:168)
> at
> org.apache.hadoop.hbase.chaos.actions.ChangeEncodingAction.lambda$perform$0(ChangeEncodingAction.java:50)
> at
> org.apache.hadoop.hbase.chaos.actions.Action.modifyAllTableColumns(Action.java:356)
> at
> org.apache.hadoop.hbase.chaos.actions.ChangeEncodingAction.perform(ChangeEncodingAction.java:48)
> at
> org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy.runOneIteration(PeriodicRandomActionPolicy.java:59)
> at
> org.apache.hadoop.hbase.chaos.policies.PeriodicPolicy.run(PeriodicPolicy.java:41)
> at java.lang.Thread.run(Thread.java:748)
> {code}
> Because PREFIX_TREE is removed in DataBlockEncoding:
> {code:java}
> /** Disable data block encoding. */
> NONE(0, null),
> // id 1 is reserved for the BITSET algorithm to be added later
> PREFIX(2, "org.apache.hadoop.hbase.io.encoding.PrefixKeyDeltaEncoder"),
> DIFF(3, "org.apache.hadoop.hbase.io.encoding.DiffKeyDeltaEncoder"),
> FAST_DIFF(4, "org.apache.hadoop.hbase.io.encoding.FastDiffDeltaEncoder"),
> // id 5 is reserved for the COPY_KEY algorithm for benchmarking
> // COPY_KEY(5, "org.apache.hadoop.hbase.io.encoding.CopyKeyDataBlockEncoder"),
> // PREFIX_TREE(6, "org.apache.hadoop.hbase.codec.prefixtree.PrefixTreeCodec"),
> ROW_INDEX_V1(7, "org.apache.hadoop.hbase.io.encoding.RowIndexCodecV1");
> {code}
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