Trove instance creation stays in "BUILD" status for ever.

Error messages in trove-api log :

2014-06-02 13:23:55.585 27683 ERROR trove.common.exception [req-db45f975-63c1-4986-8999-c19e0a6c86b7 8d456978afa849feb46ea64f494107ab 2cce88b4c1944f7cb18701c6fc5e36f7 - - -] Cannot find compute instance None for instance 4dc6eb14-98f5-471e-a93b-aa176698b762. 2014-06-02 13:23:55.586 27683 ERROR trove.instance.models [req-db45f975-63c1-4986-8999-c19e0a6c86b7 8d456978afa849feb46ea64f494107ab 2cce88b4c1944f7cb18701c6fc5e36f7 - - -] COMPUTE ID = None

trove-taskmanager log : 2014-06-02 14:09:51.250 27696 INFO trove.instance.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Server api_status(NEW) 2014-06-02 14:09:51.260 27696 INFO trove.instance.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Server api_status(NEW) 2014-06-02 14:09:51.270 27696 INFO trove.instance.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Server api_status(NEW) 2014-06-02 14:09:51.280 27696 INFO trove.instance.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Server api_status(NEW) 2014-06-02 14:09:51.290 27696 INFO trove.instance.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Server api_status(NEW) 2014-06-02 14:09:51.297 27696 ERROR trove.common.exception [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Cannot find compute instance None for instance 0403e225-ccb9-4c14-bddf-00f70469d21f. 2014-06-02 14:09:51.297 27696 ERROR trove.extensions.mgmt.instances.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Resource 0403e225-ccb9-4c14-bddf-00f70469d21f can not be retrieved. 2014-06-02 14:09:51.298 27696 ERROR trove.common.exception [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Cannot find compute instance None for instance 0c7308c4-08a8-4652-bf19-3987da5a40b2. 2014-06-02 14:09:51.299 27696 ERROR trove.extensions.mgmt.instances.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Resource 0c7308c4-08a8-4652-bf19-3987da5a40b2 can not be retrieved. 2014-06-02 14:09:51.300 27696 ERROR trove.common.exception [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Cannot find compute instance None for instance 3cff628e-1e48-4b2c-b39a-b61f5b854991. 2014-06-02 14:09:51.301 27696 ERROR trove.extensions.mgmt.instances.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Resource 3cff628e-1e48-4b2c-b39a-b61f5b854991 can not be retrieved. 2014-06-02 14:09:51.301 27696 ERROR trove.common.exception [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Cannot find compute instance None for instance 4dc6eb14-98f5-471e-a93b-aa176698b762. 2014-06-02 14:09:51.302 27696 ERROR trove.extensions.mgmt.instances.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Resource 4dc6eb14-98f5-471e-a93b-aa176698b762 can not be retrieved. 2014-06-02 14:09:51.303 27696 ERROR trove.common.exception [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Cannot find compute instance None for instance 8db902c0-676a-48ac-8e78-fe854ecd6605. 2014-06-02 14:09:51.303 27696 ERROR trove.extensions.mgmt.instances.models [req-632b7f52-c53f-4f81-995d-c3e38df3af3b nova service - - -] Resource 8db902c0-676a-48ac-8e78-fe854ecd6605 can not be retrieved.