Lee Hinman 90b38d9b3d
[ILM] Avoid NullPointerException in CopyExecutionStateStep (#35568)
In the event that the target index does not exist when `CopyExecutionStateStep`
executes, this avoids a `NullPointerException` and provides a more helpful error
to the ILM user.

Resolves #35567
2018-11-15 09:29:26 -07:00
..
2018-11-15 09:24:40 +01:00