[jira] [Commented] (CASSANDRA-12748) Cassandra fails to start up if GREP_COLOR is set

["Murukesh Mohanan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-12748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15952955#comment-15952955 ] 

Murukesh Mohanan commented on CASSANDRA-12748:
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{{env}} has an {{-i}} option which allows us to run a command with a clean environment ([this is specified by POSIX|http://pubs.opengroup.org/onlinepubs/9699919799/utilities/env.html], so should be portable). Since we don't know what environment variables can affect commands invoked in our scripts, should we consider re-executing the script with {{env -i var1="$var1" var2="$var2" ...}} where {{var1}}, {{var2}}, etc. are explicitly listed out as only those variables of interest to us?

As an example, [Ubuntu's {{service}} command|http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/sysvinit/trusty/view/head:/debian/service/service#L102] calls init scripts with a clean environment, retaining only the {{LANG}}, {{PATH}} and {{TERM}} variables. Of course, we would need to retain more.

> Cassandra fails to start up if GREP_COLOR is set
> ------------------------------------------------
>
>                 Key: CASSANDRA-12748
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12748
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Benjamin Roth
>            Priority: Minor
>
> If env var GREP_COLOR is set, CS fails to start as startup command then contains ANSI codes.
> See cassandra-env.sh when JVM_OPTS_FILE is parsed.



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