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Error when creating ubuntu 16.04 iso image on openstack queen in dashboard

I am installing openstack queen on KVM i have 2 guest i.e controller and compute node now every thing installed successfully and i checked the status of glance,nova,neutron etc all are active now when i create the ubuntu-16.04 iso image on dashboard it will take time to upload after that it will give me this notification error on the top

<html><head> <title>500 Internal Server Error</title> </head><body>

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at webmaster@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.


Apache/2.4.18 (Ubuntu) Server at 172.16.0.159 Port 80
</body></html>

Sorry i don't have 10 points to upload the image so tell me what is the issue please.

root@controller:~# cat /var/log/apache2/error.log [Sat Mar 23 07:35:05.068145 2019] [wsgi:warn] [pid 3634:tid 140259006683008] mod_wsgi: Compiled for Python/2.7.11. [Sat Mar 23 07:35:05.068181 2019] [wsgi:warn] [pid 3634:tid 140259006683008] mod_wsgi: Runtime using Python/2.7.12. [Sat Mar 23 07:35:05.073528 2019] [mpm_event:notice] [pid 3634:tid 140259006683008] AH00489: Apache/2.4.18 (Ubuntu) mod_wsgi/4.3.0 Python/2.7.12 configured -- resuming normal operations [Sat Mar 23 07:35:05.073584 2019] [core:notice] [pid 3634:tid 140259006683008] AH00094: Command line: '/usr/sbin/apache2' [Sat Mar 23 14:19:30.138599 2019] [wsgi:error] [pid 19012:tid 140258826946304] INFO openstack_auth.views Logging out user "". [Sat Mar 23 14:19:41.613626 2019] [wsgi:error] [pid 19012:tid 140258902480640] INFO openstack_auth.plugin.base Attempted scope to domain Default failed, will attemptto scope to another domain. [Sat Mar 23 14:19:41.876259 2019] [wsgi:error] [pid 19012:tid 140258902480640] INFO openstack_auth.forms Login successful for user "admin" using domain "Default", remote address 172.16.0.91. [Sat Mar 23 10:19:42.592784 2019] [authz_core:error] [pid 19146:tid 140258674935552] [client 172.16.0.91:58465] AH01630: client denied by server configuration: /usr/bin/keystone-wsgi-public, referer: http://172.16.0.159/horizon/auth/login/ [Sat Mar 23 11:19:58.182712 2019] [wsgi:error] [pid 19146:tid 140258658150144] (9)Bad file descriptor: [client 172.16.0.91:58490] mod_wsgi (pid=19146): Unable to get bucket brigade for request., referer: http://172.16.0.159/horizon/admin/images [Sat Mar 23 15:19:58.202089 2019] [wsgi:error] [pid 19012:tid 140258826946304] ERROR django.request Internal Server Error: /horizon/api/glance/images/ [Sat Mar 23 15:19:58.202164 2019] [wsgi:error] [pid 19012:tid 140258826946304] Traceback (most recent call last): [Sat Mar 23 15:19:58.202172 2019] [wsgi:error] [pid 19012:tid 140258826946304] File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py", line 132, in get_response [Sat Mar 23 15:19:58.202189 2019] [wsgi:error] [pid 19012:tid 140258826946304] response = wrapped_callback(request, callback_args, *callback_kwargs) [Sat Mar 23 15:19:58.202197 2019] [wsgi:error] [pid 19012:tid 140258826946304] File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 71, in view [Sat Mar 23 15:19:58.202209 2019] [wsgi:error] [pid 19012:tid 140258826946304] return self.dispatch(request, args, *kwargs) [Sat Mar 23 15:19:58.202228 2019] [wsgi:error] [pid 19012:tid 140258826946304] File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 89, in dispatch [Sat Mar 23 15:19:58.202235 2019] [wsgi:error] [pid 19012:tid 140258826946304] return handler(request, args, *kwargs) [Sat Mar 23 15:19:58.202241 2019] [wsgi:error] [pid 19012:tid 140258826946304] File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/utils.py", line 190, in wrapper [Sat Mar 23 15:19:58.202248 2019] [wsgi:error] [pid 19012:tid 140258826946304] return func(self, request) [Sat Mar 23 15:19:58.202255 2019] [wsgi:error] [pid 19012:tid 140258826946304] File "/usr/lib/python2.7/dist-packages/django/views/decorators/csrf.py", line 58, in wrapped_view [Sat Mar 23 15:19:58.202261 2019] [wsgi:error] [pid 19012:tid 140258826946304] return view_func(args, *kwargs) [Sat Mar 23 15:19:58.202419 2019] [wsgi:error] [pid 19012:tid 140258826946304] File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 174, in post [Sat Mar 23 15:19:58.202515 2019] [wsgi:error] [pid 19012:tid 140258826946304] meta = create_image_metadata(request.DATA) [Sat Mar 23 15:19:58.202530 2019] [wsgi:error] [pid 19012:tid 140258826946304] File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 338, in create_image_metadata [Sat Mar 23 15:19:58.202543 2019] [wsgi:error] [pid 19012:tid 140258826946304] handle_visibility(data.get('visibility'), meta) [Sat Mar 23 15:19:58.202555 2019] [wsgi:error] [pid 19012:tid 140258826946304] File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 374, in handle_visibility [Sat Mar 23 15:19:58.202630 2019] [wsgi:error] [pid 19012:tid 140258826946304] 'invalid visibility option: %s' % e.args[0]) [Sat Mar 23 15:19:58.202645 2019] [wsgi:error] [pid 19012:tid 140258826946304] AjaxError: invalid visibility option: None [Sat Mar 23 15:19:58.231470 2019] [wsgi:error] [pid 19012:tid 140258826946304] [remote 172.16.0.91:6291] mod_wsgi (pid=19012): Exception occurred processing WSGI script '/usr/share/openstack-dashboard/openstack_dashboard/wsgi/django.wsgi'. [Sat Mar 23 15:19:58.231547 2019] [wsgi:error] [pid 19012:tid 140258826946304] [remote 172.16.0.91:6291] IOError: failed to write data [Sat Mar 23 11:19:58.264004 2019] [mpm_event:notice] [pid 3634:tid 140259006683008] AH00491: caught SIGTERM, shutting down [Sat Mar 23 11:20:02.327591 2019] [wsgi:warn] [pid 24018:tid 140446450395008] mod_wsgi: Compiled for Python/2.7.11. [Sat Mar 23 11:20:02.327657 2019] [wsgi:warn] [pid 24018:tid 140446450395008] mod_wsgi: Runtime using Python/2.7.12. [Sat Mar 23 11:20:02.332964 2019] [mpm_event:notice] [pid 24018:tid 140446450395008] AH00489: Apache/2.4.18 (Ubuntu) mod_wsgi/4.3.0 Python/2.7.12 configured -- resuming normal operations [Sat Mar 23 11:20:02.332991 2019] [core:notice] [pid 24018:tid 140446450395008] AH00094: Command line: '/usr/sbin/apache2' [Sat Mar 23 11:20:34.042403 2019] [wsgi:error] [pid 24034:tid 140446235883264] (70008)Partial results are valid but processing is incomplete: [client 172.16.0.91:60202] mod_wsgi (pid=24034): Unable to get bucket brigade for request., referer: http://172.16.0.159/horizon/admin/images [Sat Mar 23 15:20:34.046603 2019] [wsgi:error] [pid 24021:tid 140446287443712] ERROR django.request Internal Server Error: /horizon/api/glance/images/ [Sat Mar 23 15:20:34.046668 2019] [wsgi:error] [pid 24021:tid 140446287443712] Traceback (most recent call last): [Sat Mar 23 15:20:34.046684 2019] [wsgi:error] [pid 24021:tid 140446287443712] File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py", line 132, in get_response [Sat Mar 23 15:20:34.046699 2019] [wsgi:error] [pid 24021:tid 140446287443712] response = wrapped_callback(request, callback_args, *callback_kwargs) [Sat Mar 23 15:20:34.046712 2019] [wsgi:error] [pid 24021:tid 140446287443712] File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 71, in view [Sat Mar 23 15:20:34.046726 2019] [wsgi:error] [pid 24021:tid 140446287443712] return self.dispatch(request, args, *kwargs) [Sat Mar 23 15:20:34.046738 2019] [wsgi:error] [pid 24021:tid 140446287443712] File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 89, in dispatch [Sat Mar 23 15:20:34.046751 2019] [wsgi:error] [pid 24021:tid 140446287443712] return handler(request, args, *kwargs) [Sat Mar 23 15:20:34.046764 2019] [wsgi:error] [pid 24021:tid 140446287443712] File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/utils.py", line 190, in wrapper [Sat Mar 23 15:20:34.046777 2019] [wsgi:error] [pid 24021:tid 140446287443712] return func(self, request) [Sat Mar 23 15:20:34.046789 2019] [wsgi:error] [pid 24021:tid 140446287443712] File "/usr/lib/python2.7/dist-packages/django/views/decorators/csrf.py", line 58, in wrapped_view [Sat Mar 23 15:20:34.046802 2019] [wsgi:error] [pid 24021:tid 140446287443712] return view_func(args, *kwargs) [Sat Mar 23 15:20:34.046815 2019] [wsgi:error] [pid 24021:tid 140446287443712] File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 174, in post [Sat Mar 23 15:20:34.046830 2019] [wsgi:error] [pid 24021:tid 140446287443712] meta = create_image_metadata(request.DATA) [Sat Mar 23 15:20:34.046843 2019] [wsgi:error] [pid 24021:tid 140446287443712] File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 338, in create_image_metadata [Sat Mar 23 15:20:34.046857 2019] [wsgi:error] [pid 24021:tid 140446287443712] handle_visibility(data.get('visibility'), meta) [Sat Mar 23 15:20:34.046870 2019] [wsgi:error] [pid 24021:tid 140446287443712] File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 374, in handle_visibility [Sat Mar 23 15:20:34.046899 2019] [wsgi:error] [pid 24021:tid 140446287443712] 'invalid visibility option: %s' % e.args[0]) [Sat Mar 23 15:20:34.046912 2019] [wsgi:error] [pid 24021:tid 140446287443712] AjaxError: invalid visibility option: None [Sat Mar 23 15:20:34.056004 2019] [wsgi:error] [pid 24021:tid 140446287443712] [remote 172.16.0.91:0] mod_wsgi (pid=24021): Exception occurred processing WSGI script '/usr/share/openstack-dashboard/openstack_dashboard/wsgi/django.wsgi'. [Sat Mar 23 15:20:34.056084 2019] [wsgi:error] [pid 24021:tid 140446287443712] [remote 172.16.0.91:0] IOError: failed to write data [Sat Mar 23 15:20:46.443644 2019] [wsgi:error] [pid 24023:tid 140446270658304] INFO openstack_auth.plugin.base Attempted scope to domain Default failed, will attemptto scope to another domain. [Sat Mar 23 15:20:46.661537 2019] [wsgi:error] [pid 24023:tid 140446270658304] INFO openstack_auth.forms Login successful for user "admin" using domain "Default", remote address 172.16.0.91.

Error when creating ubuntu 16.04 iso image on openstack queen in dashboard

I am installing openstack queen on KVM i have 2 guest i.e controller and compute node now every thing installed successfully and i checked the status of glance,nova,neutron etc all are active now when i create the ubuntu-16.04 iso image on dashboard it will take time to upload after that it will give me this notification error on the top

<html><head> <title>500 Internal Server Error</title> </head><body>

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at webmaster@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.


Apache/2.4.18 (Ubuntu) Server at 172.16.0.159 Port 80
</body></html>

Sorry i don't have 10 points to upload the image so tell me what is the issue please.

root@controller:~# cat /var/log/apache2/error.log
[Sat Mar 23 07:35:05.068145 2019] [wsgi:warn] [pid 3634:tid 140259006683008] mod_wsgi: Compiled for Python/2.7.11.
[Sat Mar 23 07:35:05.068181 2019] [wsgi:warn] [pid 3634:tid 140259006683008] mod_wsgi: Runtime using Python/2.7.12.
[Sat Mar 23 07:35:05.073528 2019] [mpm_event:notice] [pid 3634:tid 140259006683008] AH00489: Apache/2.4.18 (Ubuntu) mod_wsgi/4.3.0 Python/2.7.12 configured -- resuming normal operations
[Sat Mar 23 07:35:05.073584 2019] [core:notice] [pid 3634:tid 140259006683008] AH00094: Command line: '/usr/sbin/apache2'
[Sat Mar 23 14:19:30.138599 2019] [wsgi:error] [pid 19012:tid 140258826946304] INFO openstack_auth.views Logging out user "".
[Sat Mar 23 14:19:41.613626 2019] [wsgi:error] [pid 19012:tid 140258902480640] INFO openstack_auth.plugin.base Attempted scope to domain Default failed, will attemptto scope to another domain.
[Sat Mar 23 14:19:41.876259 2019] [wsgi:error] [pid 19012:tid 140258902480640] INFO openstack_auth.forms Login successful for user "admin" using domain "Default", remote address 172.16.0.91.
[Sat Mar 23 10:19:42.592784 2019] [authz_core:error] [pid 19146:tid 140258674935552] [client 172.16.0.91:58465] AH01630: client denied by server configuration: /usr/bin/keystone-wsgi-public, referer: http://172.16.0.159/horizon/auth/login/
[Sat Mar 23 11:19:58.182712 2019] [wsgi:error] [pid 19146:tid 140258658150144] (9)Bad file descriptor: [client 172.16.0.91:58490] mod_wsgi (pid=19146): Unable to get bucket brigade for request., referer: http://172.16.0.159/horizon/admin/images
[Sat Mar 23 15:19:58.202089 2019] [wsgi:error] [pid 19012:tid 140258826946304] ERROR django.request Internal Server Error: /horizon/api/glance/images/
[Sat Mar 23 15:19:58.202164 2019] [wsgi:error] [pid 19012:tid 140258826946304] Traceback (most recent call last):
[Sat Mar 23 15:19:58.202172 2019] [wsgi:error] [pid 19012:tid 140258826946304]   File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py", line 132, in get_response
[Sat Mar 23 15:19:58.202189 2019] [wsgi:error] [pid 19012:tid 140258826946304]     response = wrapped_callback(request, callback_args, *callback_kwargs)
*callback_args, **callback_kwargs)
[Sat Mar 23 15:19:58.202197 2019] [wsgi:error] [pid 19012:tid 140258826946304]   File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 71, in view
[Sat Mar 23 15:19:58.202209 2019] [wsgi:error] [pid 19012:tid 140258826946304]     return self.dispatch(request, args, *kwargs)
*args, **kwargs)
[Sat Mar 23 15:19:58.202228 2019] [wsgi:error] [pid 19012:tid 140258826946304]   File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 89, in dispatch
[Sat Mar 23 15:19:58.202235 2019] [wsgi:error] [pid 19012:tid 140258826946304]     return handler(request, args, *kwargs)
*args, **kwargs)
[Sat Mar 23 15:19:58.202241 2019] [wsgi:error] [pid 19012:tid 140258826946304]   File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/utils.py", line 190, in wrapper
[Sat Mar 23 15:19:58.202248 2019] [wsgi:error] [pid 19012:tid 140258826946304]     return func(self, request)
[Sat Mar 23 15:19:58.202255 2019] [wsgi:error] [pid 19012:tid 140258826946304]   File "/usr/lib/python2.7/dist-packages/django/views/decorators/csrf.py", line 58, in wrapped_view
[Sat Mar 23 15:19:58.202261 2019] [wsgi:error] [pid 19012:tid 140258826946304]     return view_func(args, *kwargs)
view_func(*args, **kwargs)
[Sat Mar 23 15:19:58.202419 2019] [wsgi:error] [pid 19012:tid 140258826946304]   File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 174, in post
[Sat Mar 23 15:19:58.202515 2019] [wsgi:error] [pid 19012:tid 140258826946304]     meta = create_image_metadata(request.DATA)
[Sat Mar 23 15:19:58.202530 2019] [wsgi:error] [pid 19012:tid 140258826946304]   File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 338, in create_image_metadata
[Sat Mar 23 15:19:58.202543 2019] [wsgi:error] [pid 19012:tid 140258826946304]     handle_visibility(data.get('visibility'), meta)
[Sat Mar 23 15:19:58.202555 2019] [wsgi:error] [pid 19012:tid 140258826946304]   File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 374, in handle_visibility
[Sat Mar 23 15:19:58.202630 2019] [wsgi:error] [pid 19012:tid 140258826946304]     'invalid visibility option: %s' % e.args[0])
[Sat Mar 23 15:19:58.202645 2019] [wsgi:error] [pid 19012:tid 140258826946304] AjaxError: invalid visibility option: None
[Sat Mar 23 15:19:58.231470 2019] [wsgi:error] [pid 19012:tid 140258826946304] [remote 172.16.0.91:6291] mod_wsgi (pid=19012): Exception occurred processing WSGI script '/usr/share/openstack-dashboard/openstack_dashboard/wsgi/django.wsgi'.
[Sat Mar 23 15:19:58.231547 2019] [wsgi:error] [pid 19012:tid 140258826946304] [remote 172.16.0.91:6291] IOError: failed to write data
[Sat Mar 23 11:19:58.264004 2019] [mpm_event:notice] [pid 3634:tid 140259006683008] AH00491: caught SIGTERM, shutting down
[Sat Mar 23 11:20:02.327591 2019] [wsgi:warn] [pid 24018:tid 140446450395008] mod_wsgi: Compiled for Python/2.7.11.
[Sat Mar 23 11:20:02.327657 2019] [wsgi:warn] [pid 24018:tid 140446450395008] mod_wsgi: Runtime using Python/2.7.12.
[Sat Mar 23 11:20:02.332964 2019] [mpm_event:notice] [pid 24018:tid 140446450395008] AH00489: Apache/2.4.18 (Ubuntu) mod_wsgi/4.3.0 Python/2.7.12 configured -- resuming normal operations
[Sat Mar 23 11:20:02.332991 2019] [core:notice] [pid 24018:tid 140446450395008] AH00094: Command line: '/usr/sbin/apache2'
[Sat Mar 23 11:20:34.042403 2019] [wsgi:error] [pid 24034:tid 140446235883264] (70008)Partial results are valid but processing is incomplete: [client 172.16.0.91:60202] mod_wsgi (pid=24034): Unable to get bucket brigade for request., referer: http://172.16.0.159/horizon/admin/images
[Sat Mar 23 15:20:34.046603 2019] [wsgi:error] [pid 24021:tid 140446287443712] ERROR django.request Internal Server Error: /horizon/api/glance/images/
[Sat Mar 23 15:20:34.046668 2019] [wsgi:error] [pid 24021:tid 140446287443712] Traceback (most recent call last):
[Sat Mar 23 15:20:34.046684 2019] [wsgi:error] [pid 24021:tid 140446287443712]   File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py", line 132, in get_response
[Sat Mar 23 15:20:34.046699 2019] [wsgi:error] [pid 24021:tid 140446287443712]     response = wrapped_callback(request, callback_args, *callback_kwargs)
*callback_args, **callback_kwargs)
[Sat Mar 23 15:20:34.046712 2019] [wsgi:error] [pid 24021:tid 140446287443712]   File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 71, in view
[Sat Mar 23 15:20:34.046726 2019] [wsgi:error] [pid 24021:tid 140446287443712]     return self.dispatch(request, args, *kwargs)
*args, **kwargs)
[Sat Mar 23 15:20:34.046738 2019] [wsgi:error] [pid 24021:tid 140446287443712]   File "/usr/lib/python2.7/dist-packages/django/views/generic/base.py", line 89, in dispatch
[Sat Mar 23 15:20:34.046751 2019] [wsgi:error] [pid 24021:tid 140446287443712]     return handler(request, args, *kwargs)
*args, **kwargs)
[Sat Mar 23 15:20:34.046764 2019] [wsgi:error] [pid 24021:tid 140446287443712]   File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/utils.py", line 190, in wrapper
[Sat Mar 23 15:20:34.046777 2019] [wsgi:error] [pid 24021:tid 140446287443712]     return func(self, request)
[Sat Mar 23 15:20:34.046789 2019] [wsgi:error] [pid 24021:tid 140446287443712]   File "/usr/lib/python2.7/dist-packages/django/views/decorators/csrf.py", line 58, in wrapped_view
[Sat Mar 23 15:20:34.046802 2019] [wsgi:error] [pid 24021:tid 140446287443712]     return view_func(args, *kwargs)
view_func(*args, **kwargs)
[Sat Mar 23 15:20:34.046815 2019] [wsgi:error] [pid 24021:tid 140446287443712]   File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 174, in post
[Sat Mar 23 15:20:34.046830 2019] [wsgi:error] [pid 24021:tid 140446287443712]     meta = create_image_metadata(request.DATA)
[Sat Mar 23 15:20:34.046843 2019] [wsgi:error] [pid 24021:tid 140446287443712]   File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 338, in create_image_metadata
[Sat Mar 23 15:20:34.046857 2019] [wsgi:error] [pid 24021:tid 140446287443712]     handle_visibility(data.get('visibility'), meta)
[Sat Mar 23 15:20:34.046870 2019] [wsgi:error] [pid 24021:tid 140446287443712]   File "/usr/share/openstack-dashboard/openstack_dashboard/api/rest/glance.py", line 374, in handle_visibility
[Sat Mar 23 15:20:34.046899 2019] [wsgi:error] [pid 24021:tid 140446287443712]     'invalid visibility option: %s' % e.args[0])
[Sat Mar 23 15:20:34.046912 2019] [wsgi:error] [pid 24021:tid 140446287443712] AjaxError: invalid visibility option: None
[Sat Mar 23 15:20:34.056004 2019] [wsgi:error] [pid 24021:tid 140446287443712] [remote 172.16.0.91:0] mod_wsgi (pid=24021): Exception occurred processing WSGI script '/usr/share/openstack-dashboard/openstack_dashboard/wsgi/django.wsgi'.
[Sat Mar 23 15:20:34.056084 2019] [wsgi:error] [pid 24021:tid 140446287443712] [remote 172.16.0.91:0] IOError: failed to write data
[Sat Mar 23 15:20:46.443644 2019] [wsgi:error] [pid 24023:tid 140446270658304] INFO openstack_auth.plugin.base Attempted scope to domain Default failed, will attemptto scope to another domain.
[Sat Mar 23 15:20:46.661537 2019] [wsgi:error] [pid 24023:tid 140446270658304] INFO openstack_auth.forms Login successful for user "admin" using domain "Default", remote address 172.16.0.91.

172.16.0.91.