3.2.1报错
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ros2 run demo_python_topic novel_pub_node 命令输入后报错
错误信息:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 700, in urlopen
httplib_response = self._make_request(
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 383, in _make_request
self._validate_conn(conn)
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 1017, in validate_conn
conn.connect()
File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 411, in connect
self.sock = ssl_wrap_socket(
File "/usr/lib/python3/dist-packages/urllib3/util/ssl.py", line 453, in ssl_wrap_socket
ssl_sock = ssl_wrap_socket_impl(sock, context, tls_in_tls)
File "/usr/lib/python3/dist-packages/urllib3/util/ssl.py", line 495, in _ssl_wrap_socket_impl
return ssl_context.wrap_socket(sock)
File "/usr/lib/python3.10/ssl.py", line 513, in wrap_socket
return self.sslsocket_class._create(
File "/usr/lib/python3.10/ssl.py", line 1100, in _create
self.do_handshake()
File "/usr/lib/python3.10/ssl.py", line 1371, in do_handshake
self._sslobj.do_handshake()
ssl.SSLError: [SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1007)During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/requests/adapters.py", line 439, in send
resp = conn.urlopen(
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 756, in urlopen
retries = retries.increment(
File "/usr/lib/python3/dist-packages/urllib3/util/retry.py", line 576, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='0.0.0.0', port=8000): Max retries exceeded with url: /novel1.txt (Caused by SSLError(SSLError(1, '[SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1007)')))During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/cxy/chapt3/topic_ws/install/demo_python_topic/lib/demo_python_topic/novel_pub_node", line 33, in <module>
sys.exit(load_entry_point('demo-python-topic==0.0.0', 'console_scripts', 'novel_pub_node')())
File "/home/cxy/chapt3/topic_ws/install/demo_python_topic/lib/python3.10/site-packages/demo_python_topic/novel_pub_node.py", line 32, in main
node.download_novel('https://0.0.0.0:8000/novel1.txt')
File "/home/cxy/chapt3/topic_ws/install/demo_python_topic/lib/python3.10/site-packages/demo_python_topic/novel_pub_node.py", line 16, in download_novel
response = requests.get(url)
File "/usr/lib/python3/dist-packages/requests/api.py", line 76, in get
return request('get', url, params=params, **kwargs)
File "/usr/lib/python3/dist-packages/requests/api.py", line 61, in request
return session.request(method=method, url=url, **kwargs)
File "/usr/lib/python3/dist-packages/requests/sessions.py", line 544, in request
resp = self.send(prep, **send_kwargs)
File "/usr/lib/python3/dist-packages/requests/sessions.py", line 657, in send
r = adapter.send(request, **kwargs)
File "/usr/lib/python3/dist-packages/requests/adapters.py", line 514, in send
raise SSLError(e, request=request)
requests.exceptions.SSLError: HTTPSConnectionPool(host='0.0.0.0', port=8000): Max retries exceeded with url: /novel1.txt (Caused by SSLError(SSLError(1, '[SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1007)')))
[ros2run]: Process exited with failure 1