Github user mattyb149 commented on the issue:
https://github.com/apache/nifi/pull/2269
wait, I did see the following in the log, not sure if that was my fault or
an error or just an extra logging statement:
`2018-01-05 16:25:29,613 WARN [NiFi Web Server-91]
org.eclipse.jetty.server.HttpChannel
/nifi-scripting-ui-1.5.0-SNAPSHOT/api/standard/reporting-task/details
javax.servlet.ServletException: javax.servlet.ServletException:
org.apache.nifi.web.ResourceNotFoundException: Unable to locate reporting task
with id 'c836dd00-0160-1000-cd91-07430d3d159b'.
at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:138)`
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