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[Bug 1278849] [NEW] Need more log info for "Instance could not be found" error.

 

Public bug reported:

Rarely, when looking up for the details of an 'instance_id' we get to
see the following error. But the instance pertaining to the instance_id
is still available and active.

call: GET /${project_id}/servers/${instance_id}
HTTP exception thrown: Instance could not be found (404)

Apart from the above, there is not enough information to traceback what
exactly caused the 404. Hence some log message with traceback can help
us identify the root cause.

This bug is to add more log messages with traceback for more
information.

** Affects: nova
     Importance: Undecided
     Assignee: Venkatesh Sampath (venkateshsampath)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => Venkatesh Sampath (venkateshsampath)

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https://bugs.launchpad.net/bugs/1278849

Title:
  Need more log info for "Instance could not be found" error.

Status in OpenStack Compute (Nova):
  New

Bug description:
  Rarely, when looking up for the details of an 'instance_id' we get to
  see the following error. But the instance pertaining to the
  instance_id is still available and active.

  call: GET /${project_id}/servers/${instance_id}
  HTTP exception thrown: Instance could not be found (404)

  Apart from the above, there is not enough information to traceback
  what exactly caused the 404. Hence some log message with traceback can
  help us identify the root cause.

  This bug is to add more log messages with traceback for more
  information.

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