最近几天出现了2次 web端无法访问，客户端也无法连接，
第一次出现时8000端口不通，重启seafile后端口正常但是无法访问控制台，把seahub重启后正常；第二次出现时只重启了seahub恢复正常，下面贴出日志的两个问题时间段前后的截图，请大神帮忙看看
------seahub.log-----------
2019-03-19 10:19:31,900 [WARNING] django.request:170 get_response Not Found: /seafhttp/protocol-version
2019-03-19 10:21:10,064 [WARNING] django.request:170 get_response Not Found: /favicon.ico
2019-03-19 10:21:46,642 [ERROR] seahub.wopi.utils:95 get_wopi_dict Could not find the TLS certificate file, invalid path:
path/to/client.cert
2019-03-19 10:22:50,863 [ERROR] seahub.wopi.utils:95 get_wopi_dict Could not find the TLS certificate file, invalid path:
path/to/client.cert
2019-03-21 13:36:37,993 [WARNING] django.request:170 get_response Not Found: /seafhttp/protocol-version
2019-03-21 14:15:13,529 [WARNING] django.request:170 get_response Not Found: /seafhttp/protocol-version
------controller.log-----------
[03/19/19 10:37:46] seafile-controller.c(765): shutting down ccnet-server …
[03/19/19 10:38:47] seafile-controller.c(168): starting ccnet-server …
[03/19/19 10:38:47] seafile-controller.c(87): spawn_process: ccnet-server -F /opt/seafile/conf -c /opt/seafile/ccnet -f
/opt/seafile/logs/ccnet.log -d -L /opt/seafile -P /opt/seafile/pids/ccnet.pid
[03/19/19 10:38:47] seafile-controller.c(102): spawned ccnet-server, pid 25672
[03/19/19 10:38:48] seafile-controller.c(754): ccnet daemon connected.
[03/19/19 10:38:48] seafile-controller.c(202): starting seaf-server …
[03/19/19 10:38:48] seafile-controller.c(87): spawn_process: seaf-server -F /opt/seafile/conf -c /opt/seafile/ccnet -d
/opt/seafile/seafile-data -l /opt/seafile/logs/seafile.log -P /opt/seafile/pids/seaf-server.pid -L /opt/seafile
[03/19/19 10:38:48] seafile-controller.c(102): spawned seaf-server, pid 25691
[03/19/19 10:38:48] seafile-controller.c(575): pid file /opt/seafile/pids/seafevents.pid does not exist
[03/19/19 10:38:48] seafile-controller.c(87): spawn_process: /usr/bin/python2.7 -m seafevents.main --config-file
/opt/seafile/conf/seafevents.conf --logfile /opt/seafile/logs/seafevents.log -P /opt/seafile/pids/seafevents.pid
[03/19/19 10:38:48] seafile-controller.c(102): spawned /usr/bin/python2.7, pid 25692
[03/19/19 10:38:48] seafile-controller.c(575): pid file /opt/seafile/pids/seafdav.pid does not exist
[03/19/19 10:38:48] seafile-controller.c(87): spawn_process: /usr/bin/python2.7 -m wsgidav.server.run_server runfcgi –
log-file /opt/seafile/logs/seafdav.log --pid /opt/seafile/pids/seafdav.pid --port 8080 --host localhost
[03/19/19 10:38:48] seafile-controller.c(102): spawned /usr/bin/python2.7, pid 25693
[03/19/19 10:38:48] seafile-controller.c(575): pid file /opt/seafile/pids/elasticsearch.pid does not exist
[03/19/19 10:38:48] seafile-controller.c(87): spawn_process: /opt/seafile/seafile-pro-server-
6.2.9/pro/elasticsearch/bin/elasticsearch -Des.path.logs=/opt/seafile/logs -Des.path.data=/opt/seafile/pro-data/search/data
-Des.network.host=127.0.0.1 -Des.insecure.allow.root=true -p /opt/seafile/pids/elasticsearch.pid
[03/19/19 10:38:48] seafile-controller.c(102): spawned /opt/seafile/seafile-pro-server-
6.2.9/pro/elasticsearch/bin/elasticsearch, pid 25695
------ccnet.log-----------
[03/19/19 10:21:46] …/common/session.c(409): Accepted a local client
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/peer.c(950): Local peer down
[03/19/19 10:37:46] …/common/session.c(380): Exit at Tue Mar 19 10:37:46 2019
[03/21/19 13:13:30] …/common/peer.c(950): Local peer down
[03/21/19 13:13:30] …/common/peer.c(950): Local peer down
[03/21/19 13:13:30] …/common/peer.c(950): Local peer down
[03/21/19 13:13:30] …/common/peer.c(950): Local peer down
[03/21/19 13:13:30] …/common/peer.c(950): Local peer down
[03/21/19 13:13:30] …/common/peer.c(950): Local peer down
[03/21/19 13:13:33] …/common/session.c(409): Accepted a local client
[03/21/19 13:13:33] …/common/session.c(409): Accepted a local client
[03/21/19 13:13:33] …/common/session.c(409): Accepted a local client
[03/21/19 13:13:33] …/common/session.c(409): Accepted a local client
[03/21/19 13:13:34] …/common/session.c(409): Accepted a local client