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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7931) o.a.h.ipc.WritableRpcEngine should have a way to force initialization
Date Fri, 16 Dec 2011 21:20:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171201#comment-13171201
] 

Aaron T. Myers commented on HADOOP-7931:
----------------------------------------

bq. Aaron, why not just move the static initialization to ipc.Server. Then there is not need
to make a call ensureInitialized() right?

Because presumably o.a.h.ipc.Server is supposed to be independent of underlying {{RpcEngine}}
implementations, which is why there's a {{resgisterProtocolEngine}} method in the first place.
If that's not in fact a design goal, then sure, adding the initialization to {{ipc.Server}}
is fine.
                
> o.a.h.ipc.WritableRpcEngine should have a way to force initialization
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-7931
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7931
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 0.24.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HADOOP-7931.patch
>
>
> {{WritableRpcEngine}} currently relies on a static initializer to register itself with
{{o.a.h.ipc.Server}} as a valid {{RpcKind}}. There should be a way to ensure this initialization
has already occurred.

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