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https://issues.apache.org/jira/browse/DRILL-8257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17565445#comment-17565445
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ASF GitHub Bot commented on DRILL-8257:
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jnturton opened a new pull request, #2593:
URL: https://github.com/apache/drill/pull/2593
# [DRILL-8257](https://issues.apache.org/jira/browse/DRILL-8257): Resolve
Netty lib conflicts
## Description
The following transitive dependencies in Drill 1.20.* conflict with Drill's
own, newer Netty dependencies and need to be excluded.
- jars/3rdparty/netty-transport-native-epoll-4.1.45.Final.jar
- jars/3rdparty/netty-all-4.1.59.Final.jar
- jars/3rdparty/netty-codec-http-4.1.59.Final.jar
This PR introduces a Netty BOM. Note that Drill in the past picked up a
dependency on every Netty component (netty-all) through the OCI HDFS connector:
```
[INFO] -
> Resolve Netty lib conflicts
> ---------------------------
>
> Key: DRILL-8257
> URL: https://issues.apache.org/jira/browse/DRILL-8257
> Project: Apache Drill
> Issue Type: Bug
> Components: library
> Affects Versions: 1.20.1
> Reporter: James Turton
> Assignee: James Turton
> Priority: Major
> Fix For: 1.20.2
>
>
> The following transitive dependencies conflict with Drill's own, newer Netty
> dependencies and need to be excluded.
> * jars/3rdparty/netty-transport-native-epoll-4.1.45.Final.jar
> * jars/3rdparty/netty-all-4.1.59.Final.jar
> * jars/3rdparty/netty-codec-http-4.1.59.Final.jar
> It is not understood what exact conditions are needed for the library
> conflict to adversely affect a Drillbit, but when they are present it becomes
> impossible to enable TLS on the user RPC port. One guess is that a class
> loader race condition decides whether the problem will manifest.
>
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