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https://issues.apache.org/jira/browse/IMPALA-10962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17541714#comment-17541714
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ASF subversion and git services commented on IMPALA-10962:
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Commit d0cfdd139fe81a52f420c7878b5e90c6e30ea6fe in impala's branch
refs/heads/master from Joe McDonnell
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=d0cfdd139 ]
IMPALA-10199: Add Ubuntu 20 toolchain configuration
Ubuntu 20 has been using the toolchain from Ubuntu 18.
Since Ubuntu 20 has been added to the toolchain, this
switches Impala to use a toolchain with Ubuntu 20 support
and uses the Ubuntu 20 bits. This is expected to help
with IMPALA-10962.
Testing:
- Ran a core build on Ubuntu 20
Change-Id: If2394b668ef3c56b1a4c0773fd5e4ff92be4a846
Reviewed-on: http://gerrit.cloudera.org:8080/18559
Reviewed-by: Joe McDonnell <[email protected]>
Reviewed-by: Michael Smith <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> Toolchain Python loses readline functionality on Ubuntu 20.04
> -------------------------------------------------------------
>
> Key: IMPALA-10962
> URL: https://issues.apache.org/jira/browse/IMPALA-10962
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 4.0.0
> Reporter: Laszlo Gaal
> Assignee: Joe McDonnell
> Priority: Critical
>
> Toolchain Python lacks {{readline}} functionality when running on Ubuntu
> 20.04.
> The most visible corollary is that {{impala-shell}} loses command-line
> editing capabilities as well.
> This happens because the Impala project currently uses UBuntu 18 binaries
> when it detects a Ubuntu 20 platform (see IMPALA-10199). Toolchain Python
> built on Ubuntu 18 binds to {{libreadline.so.7}}, which doesn't exist on
> Ubuntu 20. only the {{libreadline.so.8}} is provided.
> The workaround is relatively easy; execute as {{root}}:
> {code:java}
> # cd /lib/x86_64-linux-gnu
> # ln -s libreadline.so.8 libreadline.so.7{code}
> but this is not obvious, and Impala contributors should not be forced to
> execute this.
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