Every night Openfire write this log at the same time. What this log mean? Please help.
2016.07.14 04:13:43 org.jivesoftware.openfire.XMPPServer - Shutting down 51 modules ...
2016.07.14 04:13:50 org.jivesoftware.openfire.XMPPServer - Registering shutdown hook (standalone mode)
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Routing Servers Cache
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Routing Components Cache
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Routing Users Cache
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Routing AnonymousUsers Cache
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Routing User Sessions
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Roster
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Multicast Service
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Offline Message Size
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for VCard
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Privacy Lists
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for File Transfer Cache
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Clearspace SSO Nonce
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Offline Presence Cache
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Last Activity Cache
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for User
2016.07.14 04:13:52 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Remote Users Existence
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Components Sessions
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Connection Managers Sessions
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Incoming Server Sessions
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Sessions by Hostname
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Validated Domains
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Client Session Info Cache
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created local-only cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Entity Capabilities
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created local-only cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Entity Capabilities Users
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Directed Presences
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created local-only cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for PEPServiceManager
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for File Transfer
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Published Items
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Disco Server Features
2016.07.14 04:13:53 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Disco Server Items
2016.07.14 04:13:53 org.jivesoftware.openfire.pubsub.PubSubModule - Publish-Subscribe domain: pubsub.jabber.vvpgroup.com
2016.07.14 04:13:53 org.jivesoftware.openfire.muc.spi.MultiUserChatServiceImpl - Multi User Chat domain: conference.jabber.vvpgroup.com
2016.07.14 04:13:54 org.jivesoftware.openfire.XMPPServer - Openfire 3.10.3 [Jul 14, 2016 3:13:54 AM]
2016.07.14 04:13:55 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Favicon Misses
2016.07.14 04:13:55 org.jivesoftware.util.cache.CacheFactory - Created cache [org.jivesoftware.util.cache.DefaultLocalCacheStrategy] for Favicon Hits
2016.07.14 04:13:55 org.jivesoftware.openfire.container.AdminConsolePlugin - Admin console listening at: