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https://issues.apache.org/jira/browse/HADOOP-17631?focusedWorklogId=608745&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-608745
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ASF GitHub Bot logged work on HADOOP-17631:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jun/21 20:56
Start Date: 08/Jun/21 20:56
Worklog Time Spent: 10m
Work Description: steveloughran merged pull request #2977:
URL: https://github.com/apache/hadoop/pull/2977
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Issue Time Tracking
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Worklog Id: (was: 608745)
Time Spent: 1h (was: 50m)
> Configuration ${env.VAR:-FALLBACK} should eval FALLBACK when
> restrictSystemProps=true
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-17631
> URL: https://issues.apache.org/jira/browse/HADOOP-17631
> Project: Hadoop Common
> Issue Type: Bug
> Components: common
> Affects Versions: 3.3.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> When configuration reads in resources with a restricted parser, it skips
> evaluaging system ${env. } vars. But it also skips evaluating fallbacks
> As a result, a property like
> ${env.LOCAL_DIRS:-${hadoop.tmp.dir}} ends up evaluating as
> ${env.LOCAL_DIRS:-${hadoop.tmp.dir}}
> It should instead fall back to the "env var unset" option of
> ${hadoop.tmp.dir}. This allows for configs (like for s3a buffer dirs) which
> are usable in restricted mode as well as unrestricted deployments.
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