Description
This article describes the reason and how to overcome the upgrade failure on FortiWLC with reason 'terminate called after throwing an instance of 'Meru::PatchXmlFileParserException''.
Related link.
https://docs.fortinet.com/product/wireless-controller/8.5
Solution
FortiWLC upgrade getting failed with the below error.
Hence it is recommended to uninstall and delete the old patch on the FortiWLC before the upgrade.
Find the below steps to uninstall and delete the patch from FortiWLX before the upgrade.
From CLI.
Go to Maintenance -> File Management -> Patches, select the installed patch and select 'unistall', then again select the patch and select 'delete'.
This article describes the reason and how to overcome the upgrade failure on FortiWLC with reason 'terminate called after throwing an instance of 'Meru::PatchXmlFileParserException''.
Related link.
https://docs.fortinet.com/product/wireless-controller/8.5
Solution
FortiWLC upgrade getting failed with the below error.
Current Version is 8.3-3GAbuild-0The FortiWLC will give the above error if there is any patch installed on the previous version.
Upgrading Controller
terminate called after throwing an instance of 'Meru::PatchXmlFileParserException'
what(): Characters returned error: patch/vcs error for filename = /opt/meru/etc/patch/install/8.1-2-0-patch-BUG49920.xml
/opt/meru/etc/cli/upgrade_controller.sh: line 289: 30380 Aborted /opt/wlan/bin/upgrade $*
Diagnostics of this session can be found in /opt/wlan/var/log/setup.log
Hence it is recommended to uninstall and delete the old patch on the FortiWLC before the upgrade.
Find the below steps to uninstall and delete the patch from FortiWLX before the upgrade.
From CLI.
FWLC-MP(15)# show patch installedFrom GUI.
8.5-1build-18-patch-BUGXXXXX-1812191548-FAP43X-arm
FWLC-MP(15) patch uninstall 8.5-1build-18-patch-BUGXXXXX-1812191548-FAP43X-arm
Go to Maintenance -> File Management -> Patches, select the installed patch and select 'unistall', then again select the patch and select 'delete'.
