Unexpected API Error. <class 'nova.exception.NeutronAdminCredentialConfigurat

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Unexpected API Error. <class 'nova.exception.NeutronAdminCredentialConfigurationInvalid'> (HTTP 500) 解决办法
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$ {5 y) B  [9 Uhttp://controller:8774 "POST /v2.1/servers HTTP/1.1" 500 None
RESP: [500] Content-Type: application/json; charset=UTF-8 openstack-API-Version: compute 2.1 Vary: OpenStack-API-Version, X-OpenStack-Nova-API-Version X-OpenStack-Nova-API-Version: 2.1 x-compute-request-id: req-af926773-9a0d-4738-b788-16283f94be0d x-openstack-request-id: req-af926773-9a0d-4738-b788-16283f94be0d
RESP BODY: {"computeFault": {"code": 500, "message": "Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.\n<class 'nova.exception.NeutronAdminCredentialConfigurationInvalid'>"}}
, t- u, R9 b6 NPOST call to compute for http://controller:8774/v2.1/servers used request id req-af926773-9a0d-4738-b788-16283f94be0d
' n- ]! e& i  q* C( f/ j. ~Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<class 'nova.exception.NeutronAdminCredentialConfigurationInvalid'> (HTTP 500) (Request-ID: req-af926773-9a0d-4738-b788-16283f94be0d)
9 @+ G2 F7 S, R! v# sTraceback (most recent call last):
  File "/usr/lib/python3/dist-packages/cliff/app.py", line 410, in run_subcommand
8 _% w1 O1 \9 P    result = cmd.run(parsed_args)
1 ~# a  J  |2 c* W% C2 g             ^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/osc_lib/command/command.py", line 39, in run
! L# J6 b3 n0 X  R' n% {    return super(Command, self).run(parsed_args)
" A( y$ G& F* ?, d9 u3 ^) L. E( N, M           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
) l8 U# o, z, u3 h3 E  File "/usr/lib/python3/dist-packages/cliff/display.py", line 115, in run
    column_names, data = self.take_action(parsed_args)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/openstackclient/compute/v2/server.py", line 1729, in take_action
; F2 E% Y, w8 N    server = compute_client.servers.create(*boot_args, **boot_kwargs)
3 m/ F+ D) S/ B             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/novaclient/v2/servers.py", line 1562, in create
    return self._boot(response_key, *boot_args, **boot_kwargs)
) V* V7 R8 C1 V2 j/ s           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/novaclient/v2/servers.py", line 887, in _boot
; m7 h/ r# n- V4 y& d: F# A& N    return self._create('/servers', body, response_key,
; o! q% W! r" e+ R           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/novaclient/base.py", line 363, in _create
    resp, body = self.api.client.post(url, body=body)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 C" \: y6 C/ l2 t  ]5 a  File "/usr/lib/python3/dist-packages/keystoneauth1/adapter.py", line 401, in post
- [1 ]2 g& D9 ^7 y  E8 k* u& v& r3 E4 w    return self.request(url, 'POST', **kwargs)
5 y8 n; J4 C# W9 e' I: M/ K           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/novaclient/client.py", line 78, in request
    raise exceptions.from_response(resp, body, url, method)
novaclient.exceptions.ClientException: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<class 'nova.exception.NeutronAdminCredentialConfigurationInvalid'> (HTTP 500) (Request-ID: req-af926773-9a0d-4738-b788-16283f94be0d)
clean_up CreateServer: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<class 'nova.exception.NeutronAdminCredentialConfigurationInvalid'> (HTTP 500) (Request-ID: req-af926773-9a0d-4738-b788-16283f94be0d)
END return value: 1
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- y* _! z9 R* `6 o6 Y4 G解决办法：
( y5 x  {  _. |1 i! y% i( Z修改nova.conf和neutron.conf 文件中 keystone_authtoken项 service_token_roles_required = false  ，   如果是true 一定要改成false。