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https://issues.apache.org/jira/browse/SOLR-13422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17876682#comment-17876682
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Eric Pugh commented on SOLR-13422:
----------------------------------
[~agger] would you be interested in testing this on main? The bin/post
script has been replaced by running via bin/solr post, and the logic has been
moved into the Java code. I'm hoping the mode issue you are hitting no longer
applies.
> bin/post command not working when run from crontab
> --------------------------------------------------
>
> Key: SOLR-13422
> URL: https://issues.apache.org/jira/browse/SOLR-13422
> Project: Solr
> Issue Type: Bug
> Components: scripts and tools
> Affects Versions: 7.5, 7.7.1
> Reporter: Carsten Agger
> Assignee: Erik Hatcher
> Priority: Major
> Labels: features
>
> I'm working with a script where I want to send a command to delete all
> elements in an index; notably,
>
> /opt/solr/bin/post -c <my collection> -d
> "<delete><query>*:*</query></delete>"
>
> When run interactively, this works fine.
> However, when run automatically as a cron job, it gives this interesting
> output:
> Unrecognized argument: "<delete><query>*:*</query></delete>"
> If this was intended to be a data file, it does not exist relative to /root
> The culprit seems to be these lines, 143-148:
> if [[ ! -t 0 ]]; then
> MODE="stdin"
> else
> #when no stdin exists and -d specified, the rest of the arguments
> #are assumed to be strings to post as-is
> MODE="args"
>
> This code seems to be doing the opposite of what the comment says - it sets
> MODE="stdin" if stdin is NOT a terminal, but if it IS (i.e., there IS an
> stdin) it assumes the rest of the args can be posted as-is.
> On the other hand, if the condition is reversed, my command will fail
> interactively but not when run as a cron job. Both options are, of course,
> unsatisfactory.
> It _will_ actually work in both cases, if instead the command to delete the
> contents of the index is written as:
> echo "<delete><query>*:*</query></delete>" | /opt/solr/bin/post -c
> departments -d
> I've confirmed this bug in SOLR v. 7.7.1 and 7.5 - it is presumably present
> in more versions.
> I've raised the issue on the solr-user mailing list, where I was asked to
> file a Jira report.
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