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https://issues.apache.org/jira/browse/HIVE-18574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16344623#comment-16344623
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Ashutosh Chauhan commented on HIVE-18574:
-----------------------------------------
On hive repo:
{code}
$ git grep "import io.netty" | wc -l
74
$ git grep "import org.jboss.netty" | wc -l
49
{code}
is what I am talking about. Hive itself uses both netty3 and netty4 which is
unnecessary.
> LLAP: Ship netty3 as part of LLAP install tarball
> -------------------------------------------------
>
> Key: HIVE-18574
> URL: https://issues.apache.org/jira/browse/HIVE-18574
> Project: Hive
> Issue Type: Bug
> Components: llap
> Affects Versions: 3.0.0
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Major
> Attachments: HIVE-18574.1.patch
>
>
> Removing netty from Tez libs causes
> {code}
> 2018-01-29T18:28:49,995 ERROR [main ()]
> org.apache.hadoop.hive.llap.daemon.impl.LlapDaemon: Failed to start LLAP
> Daemon with exception
> java.lang.NoClassDefFoundError: org/jboss/netty/channel/group/ChannelGroup
> at
> org.apache.hadoop.hive.llap.daemon.impl.LlapDaemon.serviceStart(LlapDaemon.java:410)
>
> {code}
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