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Posted to common-issues@hadoop.apache.org by "Wei-Chiu Chuang (Jira)" <ji...@apache.org> on 2022/12/22 17:54:00 UTC

[jira] [Created] (HADOOP-18584) [NFS GW] IdleStateHandler is not Shareable

Wei-Chiu Chuang created HADOOP-18584:
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             Summary: [NFS GW] IdleStateHandler is not Shareable
                 Key: HADOOP-18584
                 URL: https://issues.apache.org/jira/browse/HADOOP-18584
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 3.4.0
            Reporter: Wei-Chiu Chuang


The ChannelHandler that can be added to a ChannelPipeline in Netty4 must be Shareable. However, IdleStateHandler, used by Portmap is not.

We need to fix it otherwise hadoop portmap may fail to start.

This is a regression from HADOOP-11245 but I consider it not a blocker, because most recent Linux distro supports rpcbind and there's little reason to use Hadoop's portmap.



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