Author: Alessio Soldano <asoldano(a)redhat.com>
Date: 2019-04-04 (Thu, 04 Apr 2019)
[RESTEASY-2211] Explicitly close the JsonParser instances, as that eventually results in
ByteBufferRecycler#releaseByteBuffer(..) being invoked for the byte buffer used for
reading the JSON text stream; as a consequence, the previously allocated memory for such
buffer will re-used next time the same thread needs to process another stream.