StorageClusterVersionModel model = new StorageClusterVersionModel();
model.setVersion(servlet.getAdmin().getClusterStatus().getHBaseVersion());
ResponseBuilder response = Response.ok(model);
response.cacheControl(cacheControl);
servlet.getMetrics().incrementSucessfulGetRequests(1);
return response.build();
} catch (IOException e) {
servlet.getMetrics().incrementFailedGetRequests(1);
return Response.status(Response.Status.SERVICE_UNAVAILABLE)
.type(MIMETYPE_TEXT).entity("Unavailable" + CRLF)
.build();