Matt Burgess created NIFI-2642:
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             Summary: Processors referring to deleted controller services 
cannot select new/existing controller services
                 Key: NIFI-2642
                 URL: https://issues.apache.org/jira/browse/NIFI-2642
             Project: Apache NiFi
          Issue Type: Bug
    Affects Versions: 1.0.0
            Reporter: Matt Burgess
             Fix For: 1.0.0


If a processor refers to a deleted controller service (CS), then in the 
processor's configuration dialog, the ID of the deleted CS is displayed. 
However if the user selects an existing (or new) CS from the drop-down menu, an 
error dialog is displayed, saying no CS can be found for the ID of the one that 
was deleted.

Reproduction example:

1) Create two DBCPConnectionPools (with different names)
2) Add a QueryDatabaseTable processor to the canvas
3) In the QDT dialog, select one DBCPConnectionPool and Apply
4) Delete that DBCPConnectionPool
5) Open the QDT dialog again, verify an ID is displayed (make a note of the ID).
6) Select the other DBCPConnectionPool from the drop-down menu and Apply
7) The error dialog is displayed with the deleted CS's ID



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