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https://issues.apache.org/jira/browse/IMPALA-9145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060482#comment-17060482
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Shant Hovsepian edited comment on IMPALA-9145 at 3/16/20, 9:43 PM:
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On some newer systems like Ubuntu /etc/localtime is a symlink to another
symlink which points to posixrules.
TimezoneDatabase::LocalZoneName() can be modified to use the relative path of
the symlink via readlink instead of realpath to handle this case.
Similar to the fix here
[https://github.com/HowardHinnant/date/commit/5f49afc1e913cdd95443a840c2cf1f22353c88c3]
A workaround is to set the TZ environment variable on the system to the proper
timezone so /etc/localtime isn't checked.
was (Author: superdupershant):
On some newer systems like Ubuntu /etc/localtime is a symlink to another
symlink which points to posixrules.
TimezoneDatabase::LocalZoneName() can be modified to use the relative path of
the symlink via readlink instead of realpath to handle this case.
Similar to the fix here
[https://github.com/HowardHinnant/date/commit/5f49afc1e913cdd95443a840c2cf1f22353c88c3]
A workaround is to set the TZ environment variable on the system to the proper
timezone so /etc/localtime isn't checked.
> Compute stats fails with invalid timezone
> -----------------------------------------
>
> Key: IMPALA-9145
> URL: https://issues.apache.org/jira/browse/IMPALA-9145
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 3.3.0
> Reporter: Aman Sinha
> Priority: Major
>
> On my Ubuntu machine with latest Impala build I get the following error:
> {noformat}
> [localhost:21000] tpch> compute stats lineitem;
> Query: compute stats lineitem
> ERROR: Invalid timezone name 'posixrules'. {noformat}
> This causes a bunch of unit tests that rely on stats to fail.
> After setting the TIMEZONE explicitly, this works:
> {noformat}
> localhost:21000] tpch> set TIMEZONE=America/Los_Angeles;
> TIMEZONE set to America/Los_Angeles
> [localhost:21000] tpch> compute stats lineitem;
> Query: compute stats lineitem
> +------------------------------------------+
> | summary |
> +------------------------------------------+
> | Updated 1 partition(s) and 16 column(s). |
> +------------------------------------------+
> {noformat}
> My /etc/timezone has a valid timezone:
> {noformat}
> $ cat /etc/timezone
> America/New_York
> {noformat}
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