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https://issues.apache.org/jira/browse/HBASE-21401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16666653#comment-16666653
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Zheng Hu commented on HBASE-21401:
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Still some UT failed, such as:
1. TestTags#testFlushAndCompactionwithCombinations
2. TestMobDataBlockEncoding#testDataBlockEncoding
The timeout TestAsyncQuotaAdminApi &
TestReplicationSyncUpToolWithMultipleAsyncWAL has no relationship with this
issue.
> Sanity check in BaseDecoder#parseCell
> -------------------------------------
>
> Key: HBASE-21401
> URL: https://issues.apache.org/jira/browse/HBASE-21401
> Project: HBase
> Issue Type: Sub-task
> Reporter: Zheng Hu
> Assignee: Zheng Hu
> Priority: Major
> Fix For: 3.0.0, 2.2.0, 2.0.3, 2.1.2
>
> Attachments: HBASE-21401.v1.patch, HBASE-21401.v2.patch
>
>
> In KeyValueDecoder & ByteBuffKeyValueDecoder, we pass a byte buffer to
> initialize the Cell without a sanity check (check each field's offset&len
> exceed the byte buffer or not), so ArrayIndexOutOfBoundsException may happen
> when read the cell's fields, such as HBASE-213, it's hard to debug this kind
> of bug.
> An earlier check will help to find such kind of bugs.
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