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Description
I'm using Presto-python-client version 0.8.2 in Jupyter notebook. I followed the example to create the connection and manually set the conn._http_session.verify = False, but I still got the SSLCertVerificationError.
conn = prestodb.dbapi.connect(
host='remote server DNS', # public IP of Hunt EMR master node
port=8446, # Port of Presto
catalog='hive',
user='zheng.lu',
schema='prod_srctypes',
http_scheme='https'
)
conn._http_session.verify = False
cur = conn.cursor()
cur.execute('show columns from v_bro')
I'm using Python 3.7, please help to fix it.
The exception trace
---------------------------------------------------------------------------
SSLCertVerificationError Traceback (most recent call last)
/opt/sfdc/python37/lib/python3.7/site-packages/urllib3/connectionpool.py in urlopen(self, method, url, body, headers, retries, redirect, assert_same_host, timeout, pool_timeout, release_conn, chunked, body_pos, **response_kw)
709 headers=headers,
--> 710 chunked=chunked,
711 )
/opt/sfdc/python37/lib/python3.7/site-packages/urllib3/connectionpool.py in _make_request(self, conn, method, url, timeout, chunked, **httplib_request_kw)
385 try:
--> 386 self._validate_conn(conn)
387 except (SocketTimeout, BaseSSLError) as e:
/opt/sfdc/python37/lib/python3.7/site-packages/urllib3/connectionpool.py in _validate_conn(self, conn)
1039 if not getattr(conn, "sock", None): # AppEngine might not have `.sock`
-> 1040 conn.connect()
1041
/opt/sfdc/python37/lib/python3.7/site-packages/urllib3/connection.py in connect(self)
423 ssl_context=context,
--> 424 tls_in_tls=tls_in_tls,
425 )
/opt/sfdc/python37/lib/python3.7/site-packages/urllib3/util/ssl_.py in ssl_wrap_socket(sock, keyfile, certfile, cert_reqs, ca_certs, server_hostname, ssl_version, ciphers, ssl_context, ca_cert_dir, key_password, ca_cert_data, tls_in_tls)
449 ssl_sock = _ssl_wrap_socket_impl(
--> 450 sock, context, tls_in_tls, server_hostname=server_hostname
451 )
/opt/sfdc/python37/lib/python3.7/site-packages/urllib3/util/ssl_.py in _ssl_wrap_socket_impl(sock, ssl_context, tls_in_tls, server_hostname)
492 if server_hostname:
--> 493 return ssl_context.wrap_socket(sock, server_hostname=server_hostname)
494 else:
/opt/sfdc/python37/lib/python3.7/ssl.py in wrap_socket(self, sock, server_side, do_handshake_on_connect, suppress_ragged_eofs, server_hostname, session)
422 context=self,
--> 423 session=session
424 )
/opt/sfdc/python37/lib/python3.7/ssl.py in _create(cls, sock, server_side, do_handshake_on_connect, suppress_ragged_eofs, server_hostname, context, session)
869 raise ValueError("do_handshake_on_connect should not be specified for non-blocking sockets")
--> 870 self.do_handshake()
871 except (OSError, ValueError):
/opt/sfdc/python37/lib/python3.7/ssl.py in do_handshake(self, block)
1138 self.settimeout(None)
-> 1139 self._sslobj.do_handshake()
1140 finally:
SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate (_ssl.c:1076)
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