执行测试过程报错xctrunner quited

[ToBeTree]

Exception in thread [I 211128 22:49:02 _device:1085] xctrunner quited
run出现异常，重启wda ('Connection aborted.', MuxConnectError('device port:8100 is not ready'))
Exception in thread listen:
Traceback (most recent call last):
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/urllib3/connectionpool.py", line 670, in urlopen
    httplib_response = self._make_request(
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/urllib3/connectionpool.py", line 392, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 1252, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 1298, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 1247, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 1007, in _send_output
    self.send(msg)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 947, in send
    self.connect()
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/requests_usbmux.py", line 54, in connect
    conn = _device.create_inner_connection(int(port))
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/usbmux.py", line 238, in create_inner_connection
    raise MuxConnectError(
wda.exceptions.MuxConnectError: device port:8100 is not ready

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/requests/adapters.py", line 439, in send
    resp = conn.urlopen(
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/urllib3/connectionpool.py", line 726, in urlopen
    retries = retries.increment(
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/urllib3/util/retry.py", line 410, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/urllib3/packages/six.py", line 734, in reraise
    raise value.with_traceback(tb)
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/urllib3/connectionpool.py", line 670, in urlopen
    httplib_response = self._make_request(
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/urllib3/connectionpool.py", line 392, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 1252, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 1298, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 1247, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 1007, in _send_output
    self.send(msg)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py", line 947, in send
    self.connect()
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/requests_usbmux.py", line 54, in connect
    conn = _device.create_inner_connection(int(port))
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/usbmux.py", line 238, in create_inner_connection
    raise MuxConnectError(
urllib3.exceptions.ProtocolError: ('Connection aborted.', MuxConnectError('device port:8100 is not ready'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/xxxx/DevProject/Python/autotest/util/watch.py", line 218, in _inner
    if not self.quit and e.get(timeout=4).visible:  # or e.get(timeout=5).enabled):
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/__init__.py", line 1505, in get
    elems = self.find_elements()
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/__init__.py", line 1480, in find_elements
    for element_id in self.find_element_ids():
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/decorator.py", line 232, in fun
    return caller(func, *(extras + args), **kw)
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/retry/api.py", line 73, in retry_decorator
    return __retry_internal(partial(f, *args, **kwargs), exceptions, tries, delay, max_delay, backoff, jitter,
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/retry/api.py", line 33, in __retry_internal
    return f()
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/__init__.py", line 1472, in find_element_ids
    return self._wdasearch('class chain', chain)
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/__init__.py", line 1418, in _wdasearch
    for v in self.http.post('/elements', {
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/utils.py", line 47, in _inner
    return fn(*args, **kwargs)
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/__init__.py", line 460, in _fetch
    response = httpdo(url, method, data, timeout)
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/__init__.py", line 130, in httpdo
    return _unsafe_httpdo(url, method, data, timeout)
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/wda/__init__.py", line 157, in _unsafe_httpdo
    response = request_session.request(method,
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/Users/xxxx/.virtualenvs/autotest/lib/python3.8/site-packages/requests/adapters.py", line 498, in send
    raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', MuxConnectError('device port:8100 is not ready'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/threading.py", line 932, in _bootstrap_inner
    self.run()
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "/Users/xxxx/DevProject/Python/autotest/util/watch.py", line 272, in _inner
    raise AssertionError(w)
AssertionError: ('Connection aborted.', MuxConnectError('device port:8100 is not ready'))

怀疑是在请求requests的时候导致的报错。每次都是在发起请求的时候就报错了，出现的概率特别高