Insight Issue in omero 5.2.1

we are having problems with insight login (see the screenshot: Failed to log onto .). The server is running omero 5.2.1-ice35-b15.Web working good.

netstat result

Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 64 192.17.95.5:ssh 172.16.49.9:49976 ESTABLISHED
tcp 0 0 192.17.95.5:57143 192.17.95.5:55601 ESTABLISHED
tcp 0 0 localhost:36844 localhost:4063 ESTABLISHED
tcp 0 0 localhost:35861 localhost:4063 ESTABLISHED
tcp 0 0 localhost:35400 localhost:4063 ESTABLISHED
tcp 0 0 localhost:48552 localhost:49044 ESTABLISHED
tcp 0 0 192.17.95.5:56762 192.17.95.5:55601 ESTABLISHED
tcp 0 0 localhost:postgresql localhost:45770 TIME_WAIT
tcp 0 0 localhost:35402 localhost:4063 ESTABLISHED
tcp 0 0 localhost:postgresql localhost:55715 ESTABLISHED
tcp 0 0 192.17.95.5:56436 192.17.95.5:55601 ESTABLISHED
tcp 0 0 localhost:35859 localhost:4063 ESTABLISHED
tcp 0 0 localhost:postgresql localhost:55717 ESTABLISHED
tcp 0 0 localhost:40592 localhost:52802 ESTABLISHED
tcp 0 0 localhost:36846 localhost:4063 ESTABLISHED
tcp 0 0 localhost:4080 localhost:60266 TIME_WAIT
tcp 0 0 localhost:52802 localhost:40592 ESTABLISHED
getnameinfo failed
getnameinfo failed
tcp6 0 0 [UNKNOWN]:55601 [UNKNOWN]:56762 ESTABLISHED
getnameinfo failed
getnameinfo failed
tcp6 0 0 [UNKNOWN]:55601 [UNKNOWN]:57143 ESTABLISHED
tcp6 0 0 localhost:4063 localhost:35861 ESTABLISHED
tcp6 0 0 localhost:4063 localhost:36844 ESTABLISHED
tcp6 0 0 localhost:55717 localhost:postgresql ESTABLISHED
tcp6 0 0 localhost:49044 localhost:48552 ESTABLISHED
tcp6 0 0 localhost:4063 localhost:35402 ESTABLISHED
tcp6 0 0 localhost:4063 localhost:36846 ESTABLISHED
tcp6 0 0 localhost:4063 localhost:35859 ESTABLISHED
tcp6 0 0 localhost:55715 localhost:postgresql ESTABLISHED
tcp6 0 0 localhost:4063 localhost:35400 ESTABLISHED
getnameinfo failed
getnameinfo failed
tcp6 0 0 [UNKNOWN]:55601 [UNKNOWN]:56436 ESTABLISHED
udp6 0 0 localhost:37958 localhost:37958 ESTABLISHED
Active UNIX domain sockets (w/o servers)
Proto RefCnt Flags Type State I-Node Path
unix 8 DGRAM 1834 /dev/log
unix 3 STREAM CONNECTED 1529
unix 3 STREAM CONNECTED 10850
unix 3 STREAM CONNECTED 9147
unix 3 STREAM CONNECTED 10844
unix 3 STREAM CONNECTED 8745 /var/run/dbus/system_bus_socket
unix 3 STREAM CONNECTED 9141
unix 2 STREAM CONNECTED 12431
unix 3 STREAM CONNECTED 9148
unix 3 STREAM CONNECTED 10846
unix 3 STREAM CONNECTED 10849
unix 3 DGRAM 1568
unix 3 STREAM CONNECTED 10845
unix 3 STREAM CONNECTED 8824
unix 2 DGRAM 9053
unix 3 STREAM CONNECTED 10842
unix 3 STREAM CONNECTED 1784 @/com/ubuntu/upstart
unix 3 STREAM CONNECTED 8731
unix 3 STREAM CONNECTED 9157
unix 2 STREAM CONNECTED 13387
unix 2 STREAM CONNECTED 11376
unix 2 DGRAM 11347
unix 2 STREAM CONNECTED 13342
unix 3 STREAM CONNECTED 9145
unix 2 DGRAM 9943
unix 3 STREAM CONNECTED 1753
unix 3 STREAM CONNECTED 9142
unix 3 STREAM CONNECTED 8956
unix 3 STREAM CONNECTED 10851
unix 3 STREAM CONNECTED 10847
unix 3 DGRAM 1567
unix 3 STREAM CONNECTED 9144
unix 3 STREAM CONNECTED 10848
unix 3 STREAM CONNECTED 8957 /var/run/dbus/system_bus_socket
unix 3 STREAM CONNECTED 9509 @/com/ubuntu/upstart
unix 3 STREAM CONNECTED 8500
unix 3 STREAM CONNECTED 9143
unix 2 STREAM CONNECTED 10822
unix 3 STREAM CONNECTED 10565 /var/run/dbus/system_bus_socket
unix 3 STREAM CONNECTED 10843
unix 2 DGRAM 8939
unix 3 STREAM CONNECTED 8730
unix 3 STREAM CONNECTED 9146
unix 3 STREAM CONNECTED 8825
unix 3 STREAM CONNECTED 449291 /var/run/dbus/system_bus_socket
unix 3 STREAM CONNECTED 449288
unix 3 STREAM CONNECTED 1888 @/com/ubuntu/upstart
unix 3 STREAM CONNECTED 9719
unix 2 DGRAM 449279
unix 3 STREAM CONNECTED 449287
unix 2 STREAM CONNECTED 13407
unix 2 DGRAM 9878
unix 3 STREAM CONNECTED 449290
omero@ubuntu-14:~ bin/omero web start^C omero@ubuntu-14:~ /var/log/Blitz-0.log
-bash: /var/log/Blitz-0.log: No such file or directory
omero@ubuntu-14:~ vim /var/log/Blitz-0.log omero@ubuntu-14:~ vim /var/log/
omero@ubuntu-14:~ bin/omero admin diagnostics -bash: bin/omero: No such file or directory omero@ubuntu-14:~ cd OMERO.server/
omero@ubuntu-14:~/OMERO.server$ bin/omero admin diagnostics

================================================================================
OMERO Diagnostics 5.2.1-ice35-b15

ERROR:omero.util.UpgradeCheck:<urlopen error [Errno -2] Name or service not known>
Commands: java -version 1.7.0 (/usr/bin/java)
Commands: python -V 2.7.6 (/usr/bin/python)
Commands: icegridnode --version 3.5.1 (/usr/bin/icegridnode)
Commands: icegridadmin --version 3.5.1 (/usr/bin/icegridadmin)
Commands: psql --version 9.3.10 (/usr/bin/psql)

Server: icegridnode running
Server: Blitz-0 active (pid = 1445, enabled)
Server: DropBox active (pid = 1459, enabled)
Server: FileServer active (pid = 1466, enabled)
Server: Indexer-0 active (pid = 1468, enabled)
Server: MonitorServer active (pid = 1469, enabled)
Server: OMERO.Glacier2 active (pid = 1475, enabled)
Server: OMERO.IceStorm active (pid = 1483, enabled)
Server: PixelData-0 active (pid = 1486, enabled)
Server: Processor-0 active (pid = 1496, enabled)
Server: Tables-0 active (pid = 1477, enabled)
Server: TestDropBox inactive (enabled)

Log dir: /home/omero/OMERO.server/var/log exists
Log files: Blitz-0.log 434.0 MB errors=1204 warnings=2045
Log files: Blitz-0.log.1 524.0 MB errors=1840 warnings=2605
Log files: Blitz-0.log.2 524.0 MB errors=337 warnings=18554
Log files: Blitz-0.log.3 524.0 MB errors=130 warnings=21361
Log files: Blitz-0.log.4 524.0 MB errors=130 warnings=20395
Log files: Blitz-0.log.5 524.0 MB errors=128 warnings=17610
Log files: Blitz-0.log.6 524.0 MB errors=96 warnings=20165
Log files: Blitz-0.log.7 524.0 MB errors=112 warnings=21157
Log files: Blitz-0.log.8 524.0 MB errors=128 warnings=22000
Log files: Blitz-0.log.9 524.0 MB errors=97 warnings=21101
Log files: DropBox.log 43.0 KB errors=3 warnings=12
Log files: FileServer.log 5.0 KB
Log files: Indexer-0.log 9.0 MB errors=0 warnings=2245
Log files: MonitorServer.log 24.0 KB
Log files: OMEROweb.lock 0.0 KB
Log files: OMEROweb.log 4.0 MB errors=108 warnings=99
Log files: OMEROweb.log.1 5.0 MB errors=47 warnings=31
Log files: OMEROweb.log.10 5.0 MB errors=22 warnings=8
Log files: OMEROweb.log.2 5.0 MB errors=32 warnings=553
Log files: OMEROweb.log.3 5.0 MB errors=28 warnings=48
Log files: OMEROweb.log.4 5.0 MB errors=26 warnings=21
Log files: OMEROweb.log.5 5.0 MB errors=75 warnings=12
Log files: OMEROweb.log.6 5.0 MB errors=53 warnings=2
Log files: OMEROweb.log.7 5.0 MB errors=11 warnings=0
Log files: OMEROweb.log.8 5.0 MB errors=38 warnings=12
Log files: OMEROweb.log.9 5.0 MB errors=86 warnings=26
Log files: OMEROweb_brokenrequest.lock 0.0 KB
Log files: OMEROweb_brokenrequest.log 142.0 KB errors=15 warnings=305
Log files: PixelData-0.log 4.0 MB errors=173 warnings=2299
Log files: Processor-0.log 589.0 KB errors=164 warnings=0
Log files: Processor-0.log.1 4.0 MB errors=1431 warnings=0
Log files: Processor-0.log.2 4.0 MB errors=1429 warnings=0
Log files: Processor-0.log.3 4.0 MB errors=1424 warnings=2
Log files: Processor-0.log.4 4.0 MB errors=1424 warnings=5
Log files: Tables-0.log 32.0 KB errors=0 warnings=10
Log files: TestDropBox.log n/a
Log files: master.err 5.0 KB errors=0 warnings=4
Log files: master.out 0.0 KB
Log files: nginx_access.log 238.0 MB
Log files: nginx_error.log 41.0 KB errors=138 warnings=0
Log files: Total size 5484.63 MB

Environment:OMERO_HOME=(unset)
Environment:OMERO_NODE=(unset)
Environment:OMERO_MASTER=(unset)
Environment:OMERO_USERDIR=(unset)
Environment:OMERO_TMPDIR=(unset)
Environment:PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/home/omero/OMERO.server/bin
Environment:PYTHONPATH=(unset)
Environment:ICE_HOME=(unset)
Environment:LD_LIBRARY_PATH=(unset)
Environment:DYLD_LIBRARY_PATH=(unset)

OMERO SSL port:4064
OMERO TCP port:4063
OMERO data dir:’/home/omero/OMERO.data’ Exists? True Is writable? True
OMERO temp dir:’/home/omero/omero/tmp’ Exists? True Is writable? True (Size: 0)

JVM settings: Blitz-{index} -Xmx1698m -XX:MaxPermSize=1g -XX:+IgnoreUnrecognizedVMOptions JVM settings: Indexer-{index} -Xmx1132m -XX:MaxPermSize=1g -XX:+IgnoreUnrecognizedVMOptions
JVM settings: PixelData-{index} -Xmx1698m -XX:MaxPermSize=1g -XX:+IgnoreUnrecognizedVMOptions JVM settings: Repository-{index} -Xmx1132m -XX:MaxPermSize=1g -XX:+IgnoreUnrecognizedVMOptions

OMERO.web status… [RUNNING] (PID 1688)
Django version: 1.8.7