Github user patricker commented on the issue:
https://github.com/apache/nifi/pull/2194
@ijokarumawak Your code for doing the record reader was very creative. but
I don't think I'm interested in using that approach, it makes me feel kind of
dirty...
```
try {
// Wait for the next record.
consumingLatch.countDown();
readingLatch.await();
// Start consuming the record.
} catch (InterruptedException e) {
logger.warn("Reading Excel sheet is interrupted at
nextRecord() due to {}", e);
} finally {
// Reset Latches.
consumingLatch = new CountDownLatch(1);
readingLatch = new CountDownLatch(1);
}
```
I'll work on the other items you mentioned.
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