[jira] [Created] (GIRAPH-872) Minor inconsistencies with netty handler logic after netty 4 upgrade

["Craig Muchinsky (JIRA)" <ji...@apache.org>]

Craig Muchinsky created GIRAPH-872:
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             Summary: 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


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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