Data collector stays in upgrading status. Can stop/start and retry, but stays in upgrading and never upgrades.
/opt/IMDataCollector/upgrade/upgrade.log shows "upgrade completed"
/opt/IMDataCollector/upgrade/upgrade.log warns that there is not sufficient space in /tmp but there is more than 100 GB free
Move the following file out of upgrade directory:
/opt/IMDataCollector/upgrade/custom
Retry upgrade after restarting dcmd and activemq services.