At "System" -> "Applications" I tried to install the JIRA Service Desk Application. But it failed.
Message:
An unexpected error occurred. Refer to the logs for more information.
In the Log:
2017-12-17 17:56:22,425 UpmAsynchronousTaskManager:thread-3 INFO alexd 1075x3278x1 yjw7fs 10.0.8.6 /rest/plugins/1.0/ [c.a.plugin.loaders.ScanningPluginLoader] No plugins found to be installed
2017-12-17 17:56:22,462 UpmAsynchronousTaskManager:thread-3 INFO alexd 1075x3278x1 yjw7fs 10.0.8.6 /rest/plugins/1.0/ [c.a.plugin.manager.DefaultPluginManager] Updating plugin 'com.atlassian.servicedesk.application' from version '3.9.1' to version '3.9.1'
2017-12-17 17:56:22,466 UpmAsynchronousTaskManager:thread-3 INFO alexd 1075x3278x1 yjw7fs 10.0.8.6 /rest/plugins/1.0/ [c.a.plugin.loaders.ScanningPluginLoader] Removed plugin 'com.atlassian.servicedesk.application'
2017-12-17 17:56:25,685 UpmScheduler:thread-1 WARN alexd 1050x2123x1 13gmnia 10.0.8.6 /rest/plugins/self-update/1.0/ [c.a.upm.pac.PacClientImpl] Update check request may take longer because of the number of add-ons