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https://reviews.apache.org/r/35391/
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Review request for Ambari and Robert Nettleton.


Bugs: AMBARI-11886
    https://issues.apache.org/jira/browse/AMBARI-11886


Repository: ambari


Description
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In 2.1, scaling a UI provisioned cluster via the blueprint add hosts api isn't 
supported. Support for this use case has been deferred to 2.1.1.
Currently, if a user attempts to do this, a 500 response is returned.
This Jira is to fix the error to return a 400 response with a good error 
message.


Diffs
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ambari-server/src/main/java/org/apache/ambari/server/topology/TopologyManager.java
 a75cccb 

Diff: https://reviews.apache.org/r/35391/diff/


Testing
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Functional Tests:
Both positive and negative functional tests.

Unit Tests:
Currently running entire unit test suite.  Will update with results prior to 
merging.


Thanks,

John Speidel

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