Steve Loughran created SLIDER-1071:
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             Summary: agent to log registration response on JSON parse failure
                 Key: SLIDER-1071
                 URL: https://issues.apache.org/jira/browse/SLIDER-1071
             Project: Slider
          Issue Type: Improvement
          Components: agent
         Environment: Kerberized cluster
            Reporter: Steve Loughran
             Fix For: Slider 0.80


If the agent can't parse the response to a registration operation, it raises an 
exception. The response message is lost.

# controller must check HTTP response
# The controller needs to catch parse exceptions exception, log the response. 
# Maybe add a check for a 0 byte response too.
# looking at {{AgentResource}}, we should make sure that all failure codepaths 
log, and, if it doesn't break agent version compatibility, include error 
strings in the JSON Response, for container logs





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