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https://issues.apache.org/jira/browse/DRILL-4921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zelaine Fong reassigned DRILL-4921:
-----------------------------------
Assignee: Paul Rogers
Assigning to Paul for code review.
> Scripts drill_config.sh, drillbit.sh, and drill-embedded fail when accessed
> via a symbolic link
> ------------------------------------------------------------------------------------------------
>
> Key: DRILL-4921
> URL: https://issues.apache.org/jira/browse/DRILL-4921
> Project: Apache Drill
> Issue Type: Bug
> Components: Server
> Affects Versions: 1.8.0
> Environment: The drill-embedded on the Mac; the other files on Linux
> Reporter: Boaz Ben-Zvi
> Assignee: Paul Rogers
> Priority: Minor
> Fix For: 1.9.0
>
>
> Several of the drill... scripts under $DRILL_HOME/bin use "pwd" to produce
> the local path of that script. However "pwd" defaults to "logical" (i.e. the
> same as "pwd -L"); so if accessed via a symbolic link, that link is used
> verbatim in the path, which can produce wrong paths (e.g., when followed by
> "cd ..").
> For example, creating a symbolic link and using it (on the Mac):
> $ cd ~/drill
> $ ln -s $DRILL_HOME/bin
> $ bin/drill-embedded
> ERROR: Drill config file missing:
> /Users/boazben-zvi/drill/conf/drill-override.conf -- Wrong config dir?
> Similarly on Linux the CLASS_PATH gets set wrong (when running "drillbit.sh
> start" via a symlink).
> Solution: need to replace all the "pwd" in all the scripts with "pwd -P"
> which produces the Physical path. (Or replace a preceding "cd" with "cd -P"
> which does the same).
> Relevant scripts:
> =============
> $ cd bin; grep pwd *
> drillbit.sh:bin=`cd "$bin">/dev/null; pwd`
> drillbit.sh: echo "cwd:" `pwd`
> drill-conf:bin=`cd "$bin">/dev/null; pwd`
> drill-config.sh:home=`cd "$bin/..">/dev/null; pwd`
> drill-config.sh: DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
> drill-config.sh: JAVA_HOME="$( cd -P "$( dirname "$SOURCE" )" && cd .. &&
> pwd )"
> drill-embedded:bin=`cd "$bin">/dev/null; pwd`
> drill-localhost:bin=`cd "$bin">/dev/null; pwd`
> submit_plan:bin=`cd "$bin">/dev/null; pwd`
>
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