// Verify consistency
                            if (!"concurrentRule".equals(ruleId)) {
                                errorCount.incrementAndGet();
                            }
                            if (proc != processor) {
                                errorCount.incrementAndGet();
                            }

                            // Occasionally update (half the threads)

                    // reset count
                    errorCount = 0;
                } catch (final Exception e) {
                    if (errorCount > maxErrorCount) {
                        throw e;
                    }
                    errorCount++;
                    logger.warn("Failed to access data. Retry to access it {} times.", errorCount, e);
                } finally {

                        errorCount.incrementAndGet();
                    } finally {
                        endLatch.countDown();
                    }
                }
            });
        }

        startLatch.countDown();
        endLatch.await(10, TimeUnit.SECONDS);
        executor.shutdown();

        assertEquals(0, errorCount.get());

	errorCounts := make(map[error]int)
	for _, err := range errs {
		if IsErrIgnored(err, ignoredErrs...) {
			continue
		}
		// Errors due to context cancellation may be wrapped - group them by context.Canceled.
		if errors.Is(err, context.Canceled) {
			errorCounts[context.Canceled]++
			continue
		}
		errorCounts[err]++
	}

	maxCnt := 0