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From "Sanjay Radia (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7897) ProtobufRPCEngine client side exception mechanism is not consistent with WritableRpcEngine
Date Thu, 08 Dec 2011 07:35:40 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13165066#comment-13165066
] 

Sanjay Radia commented on HADOOP-7897:
--------------------------------------

{code}
 * <li>Exceptions encountered on the client side in this method are 
 * thrown as is.
{code}
Change to 
{code}
 * <li>Exceptions encountered on the client side in this method are 
 * wrapped in ServiceException as is.
{code}

+1
                
> ProtobufRPCEngine client side exception mechanism is not consistent with WritableRpcEngine
> ------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-7897
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7897
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.24.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: 0.24.0
>
>         Attachments: HADOOP-7897.txt
>
>
> In ProtobufRpcEngine the client side exceptions are wrapped in RpcClientException. The
RpcClientException is used to create RemoteException which is set as cause in the thrown ServiceException.
However WritableRpcEngine throws the client encountered exception as is. This difference in
behavior causes, many tests to fail in the existing unit tests, which expect the client invoker()
to thrown the exception as is. This jira makes the ProtobufRpcEngine behavior consistent with
that of WritableRpcEngine.

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