[jira] [Commented] (ZOOKEEPER-1927) zkServer.sh fails to read dataDir (and others) from zoo.cfg on Solaris 10 (grep issue, manifests as FAILED TO WRITE PID).

["Raul Gutierrez Segales (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14522817#comment-14522817 ] 

Raul Gutierrez Segales commented on ZOOKEEPER-1927:
---------------------------------------------------

+1, thanks [~cnauroth].

[~michim], [~rakeshr], [~hdeng]: it'd be nice to have this for 3.4.7, I'll merge once I get enough +1s. 

> zkServer.sh fails to read dataDir (and others) from zoo.cfg on Solaris 10 (grep issue, manifests as FAILED TO WRITE PID).  
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-1927
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1927
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 3.4.6
>         Environment: Solaris 5.10 
>            Reporter: Ed Schmed
>            Assignee: Chris Nauroth
>             Fix For: 3.4.7
>
>         Attachments: ZOOKEEPER-1927.001.patch
>
>
> Fails to write PID file with a permissions error, because the startup script fails to read the dataDir variable from zoo.cfg, and then tries to use the drive root ( / ) as the data dir.
> Tracked the problem down to line 84 of zkServer.sh:
> ZOO_DATADIR="$(grep "^[[:space:]]*dataDir" "$ZOOCFG" | sed -e 's/.*=//')"
> If i run just that line and point it right at the config file, ZOO_DATADIR is empty.
> If I remove [[:space:]]* from the grep:
> ZOO_DATADIR="$(grep "^dataDir" "$ZOOCFG" | sed -e 's/.*=//')"
> Then it works fine. (If I also make the same change on line 164 and 169)
> My regex skills are pretty bad, so I'm afraid to comment on why [[space]]* needs to be in there?



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