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Solr - Another app is currently holding the xtables lock

Discussion in 'General Discussion' started by sozotech, May 2, 2017.

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  1. sozotech

    sozotech Well-Known Member

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    I see this rpm update has been applied on our system(s) but we still continue to see solr failing to start.

    Code:
    May 02 09:17:42 XXXXXX cpanel_dovecot_solr_firewall[393489]: Another app is currently holding the xtables lock; waiting (3s) for it to exit...
    May 02 09:17:42 XXXXXX  cpanel_dovecot_solr_firewall[393489]: Another app is currently holding the xtables lock; waiting (5s) for it to exit...
    May 02 09:17:42 XXXXXX  cpanel_dovecot_solr_firewall[393489]: Another app is currently holding the xtables lock; waiting (7s) for it to exit...
    May 02 09:17:42 XXXXXX  cpanel_dovecot_solr_firewall[393489]: Another app is currently holding the xtables lock; waiting (9s) for it to exit...
    May 02 09:17:42 XXXXXX  cpanel_dovecot_solr_firewall[393489]: Another app is currently holding the xtables lock. Stopped waiting after 10s.
    May 02 09:17:42 XXXXXX cpanel_dovecot_solr_firewall[393489]: : The subprocess reported error number 4 when it ended. at /usr/local/cpanel/Cpanel/IpTables.pm line 291.
    May 02 09:17:42 XXXXXX  systemd[1]: cpanel-dovecot-solr.service: control process exited, code=exited status=4
    May 02 09:17:42 XXXXXX  systemd[1]: Failed to start Solr for cPanel Dovecot.
    May 02 09:17:42 XXXXXX  systemd[1]: Unit cpanel-dovecot-solr.service entered failed state.
    May 02 09:17:42 XXXXXX  systemd[1]: cpanel-dovecot-solr.service failed.
    
    Do we need to do something after this update to fix the issue?

    Best regards,
    Eric
     
  2. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello Eric,

    I moved this post to a new thread as it's unrelated to the cases discussed on the previous thread.

    The error message suggests another application is modifying your iptables firewall rules, which is preventing the cpanel_dovecot_solr_firewall script from completing.

    Is this system running a firewall management utility such as CSF? If so, try restarting the CSF service to see if that allows cpanel_dovecot_solr to successfully start.

    Thank you.
     
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