NPE in JSONResultFormat

[Aleksey Shipilev]

On 02/21/2014 06:41 PM, Bernhard Urban wrote:
> since JMH 0.4 I get a NullPointerException in the JSON result writer:

Well, that's embarrassing. I remember fixing this in CSV/SCSV
formatters, but overlooked the JSON part. Plumbed it:
  http://hg.openjdk.java.net/code-tools/jmh/rev/98267672b30d

Let me see if we can arrange 0.4.2 with this fix.

-Aleksey.