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https://issues.apache.org/jira/browse/HDFS-16007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Akira Ajisaka updated HDFS-16007:
---------------------------------
Fix Version/s: 3.4.0
3.3.1
Hadoop Flags: Reviewed
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed to trunk and branch-3.3.
> Deserialization of ReplicaState should avoid throwing
> ArrayIndexOutOfBoundsException
> ------------------------------------------------------------------------------------
>
> Key: HDFS-16007
> URL: https://issues.apache.org/jira/browse/HDFS-16007
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: junwen yang
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.3.1, 3.4.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> ReplicaState enum is using ordinal to conduct serialization and
> deserialization, which is vulnerable to the order, to cause issues similar to
> HDFS-15624.
> To avoid it, either adding comments to let later developer not to change this
> enum, or add index checking in the read and getState function to avoid index
> out of bound error.
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