# System Exit. Ray Error or App Error

**URL:** <https://discuss.ray.io/t/system-exit-ray-error-or-app-error/3615>\
**Category:** Uncategorized\
**Created:** [September 23, 2021, 11:57pm UTC](https://discuss.ray.io/t/system-exit-ray-error-or-app-error/3615 "2021-09-23T23:57:48Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![rabraham](https://sea2.discourse-cdn.com/flex020/user_avatar/discuss.ray.io/rabraham/32/532_2.png) [@rabraham](https://discuss.ray.io/u/rabraham)\
**Post date:** [September 23, 2021, 11:57pm UTC](https://discuss.ray.io/t/system-exit-ray-error-or-app-error/3615/1 "2021-09-23T23:57:48Z")

</div>

Hi,  
I just wanted help confirming that this is an application error(my issue) and not a ray failure.

```auto
021-09-23 23:34:08,088 ERROR worker.py:428 -- SystemExit was raised from the worker
  Traceback (most recent call last):
    File "python/ray/_raylet.pyx", line 640, in ray._raylet.task_execution_handler
    File "python/ray/_raylet.pyx", line 488, in ray._raylet.execute_task
    File "python/ray/_raylet.pyx", line 525, in ray._raylet.execute_task
    File "python/ray/_raylet.pyx", line 532, in ray._raylet.execute_task
    File "python/ray/_raylet.pyx", line 536, in ray._raylet.execute_task
    File "python/ray/_raylet.pyx", line 486, in ray._raylet.execute_task.function_executor
    File "/opt/conda/lib/python3.7/site-packages/ray/_private/function_manager.py", line 563, in actor_method_executor
      return method(__ray_actor, *args, **kwargs)
    File "/opt/my_classification/my_classification/yolov3_util.py", line 26, in predict
      return self.yolov3_detector.predict(image_path, threshold, display_image)
      ...
      ...
     return do_pooled_work(detect_qr_code_worker, pack_args(), num_pools, timeout)
    File "/opt/my_classification/my_classification/prediction/lib/qr_code.py", line 218, in do_pooled_work
      with Pool(num_pools) as pool:
    File "/opt/conda/lib/python3.7/multiprocessing/context.py", line 119, in Pool
      context=self.get_context())
    File "/opt/conda/lib/python3.7/multiprocessing/pool.py", line 176, in __init__
      self._repopulate_pool()
    File "/opt/conda/lib/python3.7/multiprocessing/pool.py", line 241, in _repopulate_pool
      w.start()
    File "/opt/conda/lib/python3.7/multiprocessing/process.py", line 112, in start
      self._popen = self._Popen(self)
    File "/opt/conda/lib/python3.7/multiprocessing/context.py", line 277, in _Popen
      return Popen(process_obj)
    File "/opt/conda/lib/python3.7/multiprocessing/popen_fork.py", line 20, in __init__
      self._launch(process_obj)
    File "/opt/conda/lib/python3.7/multiprocessing/popen_fork.py", line 76, in _launch
      os._exit(code)
    File "/opt/conda/lib/python3.7/site-packages/ray/worker.py", line 425, in sigterm_handler
      sys.exit(1)
  SystemExit: 1
  ***SIGSEGV received at time=1632440048 on cpu 10***
  PC: @ 0x7fcc6a63c078 (unknown) pollset_shutdown()
      @ 0x7fcc6bd5d980 (unknown) (unknown)
      @ 0x7fcc6a618300 32 cq_shutdown_next()
      @ 0x7fcc6a618732 176 grpc_completion_queue_shutdown
      @ 0x7fcc69ff0e54 64 ray::gcs::ServiceBasedGcsClient::~ServiceBasedGcsClient()
      @ 0x7fcc69fecbba 32 std::_Sp_counted_base<>::_M_release()
      @ 0x7fcc6a0c7778 80 ray::core::CoreWorker::~CoreWorker()
      @ 0x7fcc69fecbba 32 std::_Sp_counted_base<>::_M_release()
      @ 0x7fcc6a0e944e 144 ray::core::CoreWorkerProcess::RunTaskExecutionLoop()
      @ 0x7fcc69f743d7 32 __pyx_pw_3ray_7_raylet_10CoreWorker_9run_task_loop()
      @ 0x55f45df76791 (unknown) _PyMethodDef_RawFastCallKeywords
      @ 0x7fcc69f743c0 (unknown) (unknown)

```