final BulkItemResponse resp = items[i];
                                if (resp.isFailed() && resp.getFailure() != null) {
                                    final Map<String, Object> req = docList.get(i);
                                    final Failure failure = resp.getFailure();
                                    logger.debug("Failed Request: {}\n=>{}", req, failure.getMessage());
                                }

        assertEquals(4, result.getFailures().size());
        assertTrue(result.getFailures().get(0) instanceof Exception);
        assertTrue(result.getFailures().get(1) instanceof RuntimeException);
        assertTrue(result.getFailures().get(2) instanceof IllegalStateException);
        assertTrue(result.getFailures().get(3) instanceof NullPointerException);
    }

        return !failures.isEmpty();
    }

    /**
     * Returns the list of failures.
     *
     * @return a List of Throwable objects representing the failures
     */
    public List<Throwable> getFailures() {
        return failures;
    }

            final SuggestWriterResult result = suggestWriter.write(client, settings, index, array, true);
            return new SuggestIndexResponse(items.length, items.length, result.getFailures(), System.currentTimeMillis() - start);
        } catch (final Exception e) {
            throw new SuggestIndexException("Failed to write items[" + items.length + "] to " + index, e);
        }
    }

    /**