BUSY: Update operation was locked by another update process
You may noticed the error ” BUSY: Update operation was locked by another update process ” when running the Plesk Autoinstaller. Also, the Updates and Upgrades page is not opening. It just loads continuously.
You need to check some configuration to correct this issue.
First, you need to check the port 8447 is opened on your server. If you are using APF, open the configuration file and add the port in the section “IG_TCP_CPORTS=”
add the port 8447 in “IG_TCP_CPORTS=” and restart the firewall.
Then try to open the Updates and Upgrades page. If the issue is not resolved, follow the below steps.
Find the hanging process:
[root@server ~]# ps aux | grep installer root 23804 0.1 1.0 133868 16972 ? SN 20:13 0:00 /var/cache/parallels_installer/parallels_installer_CentOS_6_x86_64 --service-mode --enable-xml-output --ssl-cert /usr/local/psa/admin/conf/httpsd.pem --branch release,stable --web-interface --with-ssl --disable-browser
kill the process:
kill -9 $PID
Remove the /tmp/psa-installer.lock file if it exists.
rm -f /tmp/psa-installer.lock
Then try again. That’s it!
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