@Override
    protected InvokerResult getSearchResult() {
        Result res = new Result(query, message);
        if (coverage != null) {
            res.setCoverage(coverage);
        }
        return new InvokerResult(res);
    }
A search invoker that will immediately produce an error that occurred during
invoker construction. Currently used for invalid searchpath values and node
failure

@author ollivir
container-search/src/main/java/com/yahoo/search/dispatch/SearchErrorInvoker.java