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https://issues.apache.org/jira/browse/HADOOP-7455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13064985#comment-13064985
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Suresh Srinivas commented on HADOOP-7455:
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> One final comment: would "ServiceFailedException" not be better named
> "ServiceTransitionFailedException" ?
I thought adding a generic exception to indicate, a directive was given to the
service and it failed to execute it. One of the dangers of adding too many
specific excpetions is, verbosity. Making it too generic is loss of
differentiation. Perhaps given that this is just a beginning, we can start with
this. As more HA code goes in, we could see how we are doing.
> Introduce HA Service Protocol Interface
> ---------------------------------------
>
> Key: HADOOP-7455
> URL: https://issues.apache.org/jira/browse/HADOOP-7455
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: util
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Attachments: HADOOP-7455.1.patch, HADOOP-7455.2.patch, HDFS-7454.patch
>
>
> This jira introduces a protocol interface to be implemented by services that
> provide HA functionality.
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