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

[Ed Schmed (JIRA)]

Ed Schmed created ZOOKEEPER-1927:
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             Summary: 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


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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