Locust Web 界面：AttributeError：“请求”对象没有属性“is_xhr”答案

【问题标题】：Locust web interface: AttributeError: 'Request' object has no attribute 'is_xhr'Locust Web 界面：AttributeError：“请求”对象没有属性“is_xhr”
【发布时间】：2021-10-22 16:09:07
【问题描述】：

在 localhost "localhost:8089" 中遇到 locust web 界面的问题，但在启动 web 界面后出现错误，甚至日志也没有显示。

Traceback (most recent call last):
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/gevent/pywsgi.py", line 999, in handle_one_response
    self.run_application()
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/gevent/pywsgi.py", line 945, in run_application
    self.result = self.application(self.environ, self.start_response)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/app.py", line 1997, in __call__
    return self.wsgi_app(environ, start_response)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/app.py", line 1985, in wsgi_app
    response = self.handle_exception(e)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/app.py", line 1540, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/_compat.py", line 33, in reraise
    raise value
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/app.py", line 1982, in wsgi_app
    response = self.full_dispatch_request()
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/app.py", line 1614, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/app.py", line 1517, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/_compat.py", line 33, in reraise
    raise value
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/app.py", line 1612, in full_dispatch_request
    rv = self.dispatch_request()
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/app.py", line 1598, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/locust/web.py", line 366, in wrapper
    return view_func(*args, **kwargs)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/locust/util/cache.py", line 22, in wrapper
    cache["result"] = func(*args, **kwargs)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/locust/web.py", line 301, in request_stats
    return jsonify(report)
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/flask/json.py", line 251, in jsonify
    if current_app.config['JSONIFY_PRETTYPRINT_REGULAR'] and not request.is_xhr:
  File "/Users/kuldeep.yadav/Documents/locustTutorial/venv/lib/python3.9/site-packages/werkzeug/local.py", line 347, in __getattr__
    return getattr(self._get_current_object(), name)
AttributeError: 'Request' object has no attribute 'is_xhr'
2021-10-22T15:58:55Z {'REMOTE_ADDR': '::ffff:127.0.0.1', 'REMOTE_PORT': '50803', 'HTTP_HOST': 'localhost:8089', (hidden keys: 28)} failed with AttributeError

【问题讨论】：

标签： locust

【解决方案1】：

我在 Locust 或 Flask 中没有看到对 is_xhr 的任何引用。我在 werkzeug 中看到了一些非常非常古老的引用。在新版本的 Python（看起来你正在使用的 3.9）上运行非常旧的包可能会破坏很多东西。检查您正在运行的 Locust 版本：

locust --version

当前版本是 2.4.1。如果您没有运行它，请升级您的 Locust 安装：

pip install --upgrade locust

然后尝试再次运行 Locust。

【讨论】：