CODE EXAMPLE FOR PYTHON

python threadpool map exception

from concurrent.futures import ThreadPoolExecutor, as_completed

def div_zero(x):
    return x / 0

with ThreadPoolExecutor(max_workers=4) as executor:
    futures = executor.map(div_zero, range(4))
    for future in as_completed(futures): print(future)
      
  Traceback (most recent call last):
  File "...futures_exceptions.py", line 11, in <module>
    for future in as_completed(futures):
  File "...python3.3/concurrent/futures/_base.py", line 193, in as_completed
    with _AcquireFutures(fs):
  File "...python3.3/concurrent/futures/_base.py", line 142, in __init__
    self.futures = sorted(futures, key=id)
  File "...python3.3/concurrent/futures/_base.py", line 546, in result_iterator
    yield future.result()
  File "...python3.3/concurrent/futures/_base.py", line 392, in result
    return self.__get_result()
  File "...python3.3/concurrent/futures/_base.py", line 351, in __get_result
    raise self._exception
  File "...python3.3/concurrent/futures/thread.py", line 54, in run
    result = self.fn(*self.args, **self.kwargs)
  File "...futures_exceptions.py", line 7, in div_zero
    return x / 0
ZeroDivisionError: division by zero