Environment

Open Enterprise Server (OES)
OES 2018 SP3
OES 2023
OES 23.4/24.1/24.2

Situation

When attempting to uninstall an iManager plug-in per 'Configure' > 'Plug-in Installation', uninstallation of the plug-in seems to complete successfully, but the plug-in remains installed however.

The following messages are logged in /var/log/messages while attempting to uninstall an iManager plug-in to no avail:

"
novell-tomcat[<PID>]: Error: Invalid or corrupt jarfile /var/opt/novell/iManager/nps/UninstallerData/Uninstall_afp/uninstaller.jar
novell-tomcat[<PID>]: Error installing NPM. Return code = 1
novell-tomcat[<PID>]: FwZipOps: Warning: Uninstall of the plug-in /var/opt/novell/iManager/nps/packages/afpmgmt.npm - failed.
novell-tomcat[<PID>]: Exiting uninstall FwZipOps with no exceptions: npmPath: /var/opt/novell/iManager/nps/packages/afpmgmt.npm   webAppRoot: /var/opt/novell/iManager/nps
"