FishEye does not successfully restart due to timeout while waiting for plugin to enable

Summary

FishEye does not restart successfully due to timeout while waiting for plugin to enable.
Increasing the timeout does not resolve the problem.

Expected Results

FishEye restarts successfully and the plugins are loaded.

Actual Results

The below exception is thrown in the atlassian-fisheye-YYYY-MM-DD.log file.

ERROR [main ] com.atlassian.plugin.manager.PluginEnabler PluginEnabler-actualEnable - Unable to start the following plugins due to timeout while waiting for plugin to enable: com.atlassian.plugins.atlassian-remote-event-consumer-plugin,com.atlassian.plugins.atlassian-remote-event-common-plugin,com.atlassian.crucible.plugins.fecru-jira-dev-summary-plugin,com.atlassian.plugins.atlassian-remote-event-producer-plugin,com.atlassian.fecru.fecru-analytics-plugin

Note: that the plugin names vary depending on the installed ones.

Environment

This has been reported on FishEye version 3.9.0.
According to the UPM versions, the UPM version should be 2.17 for FishEye 2.7.13 - 3.4.7.

Workaround

The list of available workarounds are available on the Error message after upgrade/restart - Timeout exceeded waiting for service page.
This is the first one to be applied:

1. Shutdown FishEye.
2. Backup and delete the contents of the following folders:
   <FISHEYE_INST>/var/plugins
   <FISHEYE_INST>/var/osgi-cache
   #Start FishEye (this will recreate the above folders minus any individually downloaded plugins).

Notes

This has been originated from the PLUG-1183 ticket.