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From "Craig Muchinsky (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-872) Minor inconsistencies with netty handler logic after netty 4 upgrade
Date Tue, 18 Mar 2014 16:57:57 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13939470#comment-13939470
] 

Craig Muchinsky commented on GIRAPH-872:
----------------------------------------

I did a mvn clean verify before submitting the patch, all tests passed using the hadoop_2
profile.

> Minor inconsistencies with netty handler logic after netty 4 upgrade
> --------------------------------------------------------------------
>
>                 Key: GIRAPH-872
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-872
>             Project: Giraph
>          Issue Type: Bug
>          Components: bsp
>    Affects Versions: 1.1.0
>            Reporter: Craig Muchinsky
>            Priority: Minor
>             Fix For: 1.1.0
>
>         Attachments: GIRAPH-872.patch
>
>
> While debugging some other issues I noticed a few minor inconsistencies and suspected
logic bugs in the netty handler changes related to netty 4:
> 1.) Classes (RequestServerHandler, ResponseClientHandler) overriding ChannelInboundHandlerAdapter.exceptionCaught()
are still calling getCause() on the passed Throwable even though what's being passed in now
is the actual cause instead of a wrapper.
> 2.) ResponseClientHandler.channelInactive() isn't calling ChannelHandlerContext.fireChannelInactive()
like RequestServerHandler does. I believe this is an oversight and not by design.
> 3.) ResponseClientHandler.exceptionCaught() is gating the LOG.warn() call with a LOG.isDebugEnabled()
check. I suspect this gate should be removed so the warning gets logged properly.



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