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Issue with SSL: CERTIFICATE_VERIFY_FAILED .... (_ssl.c:1129) - API - Forum
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I have re-installed API client, updated .cdsapirc (url: https://cds.climate.copernicus.eu/api) below is my request (python): import cdsapi import num&hellip;"> <meta name="generator" content="Discourse 3.5.0.beta2-dev - https://github.com/discourse/discourse version 57a0bfaef199d1da6467a6c511ab835ba664dc50"> <link rel="icon" type="image/png" href="https://forum.ecmwf.int/uploads/default/optimized/1X/a9ed1a5605be96f9c4f9a49a1150b9e852ebd956_2_32x32.png"> <link rel="apple-touch-icon" type="image/png" href="https://forum.ecmwf.int/uploads/default/optimized/1X/a9ed1a5605be96f9c4f9a49a1150b9e852ebd956_2_180x180.png"> <meta name="theme-color" media="(prefers-color-scheme: light)" content="#ffffff"> <meta name="theme-color" media="(prefers-color-scheme: dark)" content="#111111"> <meta name="color-scheme" content="light dark"> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, viewport-fit=cover"> <link rel="canonical" 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I have re-installed API client, updated .cdsapirc (url: https://cds.climate.copernicus.eu/api) below is my request (python): import cdsapi import numpy as np year = [2006] #np.arange(2004,2017) for year in year: for ltime in np.arange(12, 2881, 12): dataset = "seasonal-original-pressure-levels" request = { "originating_centre": "ecmwf", "system": "51", "variable": ["u_component_of_wind"], ..." /> <meta property="og:article:section" content="Software and Tools" /> <meta property="og:article:section:color" content="E69F00" /> <meta property="og:article:section" content="API" /> <meta property="og:article:section:color" content="E69F00" /> <meta name="twitter:label1" value="Reading time" /> <meta name="twitter:data1" value="1 mins 🕑" /> <meta name="twitter:label2" value="Likes" /> <meta name="twitter:data2" value="2 ❤" /> <meta property="article:published_time" content="2025-02-20T09:58:25+00:00" /> <meta property="og:ignore_canonical" content="true" /> <script type="application/ld+json">{"@context":"http://schema.org","@type":"QAPage","name":"Issue with SSL: CERTIFICATE_VERIFY_FAILED .... (_ssl.c:1129)","mainEntity":{"@type":"Question","name":"Issue with SSL: CERTIFICATE_VERIFY_FAILED .... (_ssl.c:1129)","text":"Hello,\n\nAsking for help to fix this issue. Thank you in advance!\n\nI have re-installed API client, updated .cdsapirc (url: <a href=\"https://cds.climate.copernicus.eu/api\" rel=\"noopener nofollow ugc\">https://cds.climate.copernicus.eu/api<\/a>)\n\nbelow is my request (python):\n\nimport cdsapi\n\nimport numpy as np\n\nyear = [2006] #np.arange(2004,2017)\n\nfor year in year:\n\nfor ltime in n…","upvoteCount":1,"answerCount":0,"datePublished":"2025-02-20T09:58:25.015Z","author":{"@type":"Person","name":"gaeun_kim","url":"https://forum.ecmwf.int/u/gaeun_kim"}}}</script> </head> <body class="crawler browser-update"> <header> <a href="/"> Forum </a> </header> <div id="main-outlet" class="wrap" role="main"> <div id="topic-title"> <h1> <a href="/t/issue-with-ssl-certificate-verify-failed-ssl-c-1129/11502">Issue with SSL: CERTIFICATE_VERIFY_FAILED .... (_ssl.c:1129)</a> </h1> <div class="topic-category" itemscope itemtype="http://schema.org/BreadcrumbList"> <span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"> <a href="/c/software-and-tools/api/18" class="badge-wrapper bullet" itemprop="item"> <span class='badge-category-bg' style='background-color: #E69F00'></span> <span class='badge-category clear-badge'> <span class='category-name' itemprop='name'>Software and Tools</span> </span> </a> <meta itemprop="position" content="1" /> </span> <span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"> <a href="/c/software-and-tools/api/18" class="badge-wrapper bullet" itemprop="item"> <span class='badge-category-bg' style='background-color: #E69F00'></span> <span class='badge-category clear-badge'> <span class='category-name' itemprop='name'>API</span> </span> </a> <meta itemprop="position" content="2" /> </span> </div> </div> <div itemscope itemtype='http://schema.org/DiscussionForumPosting'> <meta itemprop='headline' content='Issue with SSL: CERTIFICATE_VERIFY_FAILED .... (_ssl.c:1129)'> <link itemprop='url' href='https://forum.ecmwf.int/t/issue-with-ssl-certificate-verify-failed-ssl-c-1129/11502'> <meta itemprop='datePublished' content='2025-02-20T09:58:25Z'> <meta itemprop='articleSection' content='API'> <meta itemprop='keywords' content=''> <div itemprop='publisher' itemscope itemtype="http://schema.org/Organization"> <meta itemprop='name' content='ECWMF'> <div itemprop='logo' itemscope itemtype="http://schema.org/ImageObject"> <meta itemprop='url' content='https://forum.ecmwf.int/uploads/default/original/1X/807396ffa5751662acd442fba947ba256d00610c.png'> </div> </div> <div id='post_1' class='topic-body crawler-post'> <div class='crawler-post-meta'> <span class="creator" itemprop="author" itemscope itemtype="http://schema.org/Person"> <a itemprop="url" rel='nofollow' href='https://forum.ecmwf.int/u/gaeun_kim'><span itemprop='name'>gaeun_kim</span></a> </span> <link itemprop="mainEntityOfPage" href="https://forum.ecmwf.int/t/issue-with-ssl-certificate-verify-failed-ssl-c-1129/11502"> <span class="crawler-post-infos"> <time datetime='2025-02-20T09:58:25Z' class='post-time'> 20 February 2025 09:58 </time> <meta itemprop='dateModified' content='2025-02-20T09:58:25Z'> <span itemprop='position'>1</span> </span> </div> <div class='post' itemprop='text'> <p>Hello,</p> <p>Asking for help to fix this issue. Thank you in advance!</p> <p>I have re-installed API client, updated .cdsapirc (url: <a href="https://cds.climate.copernicus.eu/api" rel="noopener nofollow ugc">https://cds.climate.copernicus.eu/api</a>)</p> <p>below is my request (python):<br> import cdsapi<br> import numpy as np</p> <p>year = [2006] <span class="hashtag-raw">#np</span>.arange(2004,2017)<br> for year in year:<br> for ltime in np.arange(12, 2881, 12):</p> <pre><code> dataset = "seasonal-original-pressure-levels" request = { "originating_centre": "ecmwf", "system": "51", "variable": ["u_component_of_wind"], "pressure_level": [ "10", "30", "50", "100", "200", "300", "400", "500", "700", "850", "925", "1000" ], "year": [str(year)], "month": ["11"], "day": ["01"], "leadtime_hour": [str(ltime)], "data_format": "netcdf" } target = f"./ecmwf/u/ecmwf_1101_u_{year}_{ltime:04}.nc" client = cdsapi.Client() client.retrieve(dataset, request, target) </code></pre> <p>then I get the error below:<br> /home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/datapi/api_client.py:83: UserWarning: HTTPSConnectionPool(host=‘cds.climate.copernicus.eu’, port=443): Max retries exceeded with url: /api/catalogue/v1/messages (Caused by SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1129)’)))<br> warnings.warn(str(exc), UserWarning)<br> Traceback (most recent call last):<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/urllib3/connectionpool.py”, line 703, in urlopen<br> httplib_response = self._make_request(<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/urllib3/connectionpool.py”, line 386, in _make_request<br> self._validate_conn(conn)<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/urllib3/connectionpool.py”, line 1042, in <em>validate_conn<br> conn.connect()<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/urllib3/connection.py”, line 414, in connect<br> self.sock = ssl_wrap_socket(<br> File "/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/urllib3/util/ssl</em>.py", line 449, in ssl_wrap_socket<br> ssl_sock = <em>ssl_wrap_socket_impl(<br> File "/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/urllib3/util/ssl</em>.py", line 493, in _ssl_wrap_socket_impl<br> return ssl_context.wrap_socket(sock, server_hostname=server_hostname)<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/ssl.py”, line 501, in wrap_socket<br> return self.sslsocket_class._create(<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/ssl.py”, line 1041, in _create<br> self.do_handshake()<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/ssl.py”, line 1310, in do_handshake<br> self._sslobj.do_handshake()<br> ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1129)</p> <p>During handling of the above exception, another exception occurred:</p> <p>Traceback (most recent call last):<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/requests/adapters.py”, line 489, in send<br> resp = conn.urlopen(<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/urllib3/connectionpool.py”, line 787, in urlopen<br> retries = retries.increment(<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/urllib3/util/retry.py”, line 592, in increment<br> raise MaxRetryError(_pool, url, error or ResponseError(cause))<br> urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host=‘cds.climate.copernicus.eu’, port=443): Max retries exceeded with url: /api/retrieve/v1/processes/seasonal-original-pressure-levels (Caused by SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1129)’)))</p> <p>During handling of the above exception, another exception occurred:</p> <p>Traceback (most recent call last):<br> File “/home/gkim/cdi_test.py”, line 31, in <br> client.retrieve(dataset, request, target)<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/datapi/legacy_api_client.py”, line 169, in retrieve<br> submitted = self.client.submit_and_wait_on_results(<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/datapi/api_client.py”, line 413, in submit_and_wait_on_results<br> return self._retrieve_api.submit(collection_id, request).make_results()<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/datapi/processing.py”, line 727, in submit<br> return self.get_process(collection_id).submit(request)<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/datapi/processing.py”, line 716, in get_process<br> return Process.from_request(“get”, url, **self._request_kwargs)<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/datapi/processing.py”, line 172, in from_request<br> response = robust_request(<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/multiurl/http.py”, line 479, in wrapped<br> r = call(main_url, *args, **kwargs)<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/requests/sessions.py”, line 587, in request<br> resp = self.send(prep, **send_kwargs)<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/requests/sessions.py”, line 701, in send<br> r = adapter.send(request, **kwargs)<br> File “/home/gkim/miniconda3/envs/glab/lib/python3.9/site-packages/requests/adapters.py”, line 563, in send<br> raise SSLError(e, request=request)<br> requests.exceptions.SSLError: HTTPSConnectionPool(host=‘cds.climate.copernicus.eu’, port=443): Max retries exceeded with url: /api/retrieve/v1/processes/seasonal-original-pressure-levels (Caused by SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1129)’)))</p> </div> <div itemprop="interactionStatistic" itemscope itemtype="http://schema.org/InteractionCounter"> <meta itemprop="interactionType" content="http://schema.org/LikeAction"/> <meta itemprop="userInteractionCount" content="1" /> <span class='post-likes'>1 Like</span> </div> </div> <div id='post_2' itemprop='comment' itemscope itemtype='http://schema.org/Comment' class='topic-body crawler-post'> <div class='crawler-post-meta'> <span class="creator" itemprop="author" itemscope itemtype="http://schema.org/Person"> <a itemprop="url" rel='nofollow' href='https://forum.ecmwf.int/u/Daniele_Mastrangelo'><span itemprop='name'>Daniele_Mastrangelo</span></a> </span> <span class="crawler-post-infos"> <time itemprop='datePublished' datetime='2025-02-21T12:32:08Z' class='post-time'> 21 February 2025 12:32 </time> <meta itemprop='dateModified' content='2025-02-24T12:25:59Z'> <span itemprop='position'>2</span> </span> </div> <div class='post' itemprop='text'> <aside class="quote no-group" data-username="gaeun_kim" data-post="1" data-topic="11502"> <div class="title"> <div class="quote-controls"></div> <img alt="" width="24" height="24" src="https://forum.ecmwf.int/letter_avatar_proxy/v4/letter/g/ebca7d/48.png" class="avatar"> gaeun_kim:</div> <blockquote> <p><a href="https://cds.climate.copernicus.eu/api" rel="noopener nofollow ugc">https://cds.climate.copernicus.eu/api</a></p> </blockquote> </aside> <p>same here, using the conda environment</p> </div> <div itemprop="interactionStatistic" itemscope itemtype="http://schema.org/InteractionCounter"> <meta itemprop="interactionType" content="http://schema.org/LikeAction"/> <meta itemprop="userInteractionCount" content="0" /> <span class='post-likes'></span> </div> </div> <div id='post_3' itemprop='comment' itemscope itemtype='http://schema.org/Comment' class='topic-body crawler-post'> <div class='crawler-post-meta'> <span class="creator" itemprop="author" itemscope itemtype="http://schema.org/Person"> <a itemprop="url" rel='nofollow' href='https://forum.ecmwf.int/u/Daniele_Mastrangelo'><span itemprop='name'>Daniele_Mastrangelo</span></a> </span> <span class="crawler-post-infos"> <time itemprop='datePublished' datetime='2025-02-24T12:30:28Z' class='post-time'> 24 February 2025 12:30 </time> <meta itemprop='dateModified' content='2025-02-24T12:30:28Z'> <span itemprop='position'>3</span> </span> </div> <div class='post' itemprop='text'> <p>ok, I still had the “beta” URL in my key. I fixed it.</p> </div> <div itemprop="interactionStatistic" itemscope itemtype="http://schema.org/InteractionCounter"> <meta itemprop="interactionType" content="http://schema.org/LikeAction"/> <meta itemprop="userInteractionCount" content="1" /> <span class='post-likes'>1 Like</span> </div> </div> </div> </div> <footer class="container wrap"> <nav class='crawler-nav'> <ul> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/' itemprop="url">Home </a> </span> </li> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/categories' itemprop="url">Categories </a> </span> </li> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/guidelines' itemprop="url">Guidelines </a> </span> </li> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/tos' itemprop="url">Terms of use </a> </span> </li> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/privacy' itemprop="url">Privacy Policy </a> </span> </li> </ul> </nav> <p class='powered-by-link'>Powered by <a href="https://www.discourse.org">Discourse</a>, best viewed with JavaScript enabled</p> </footer> <div class="footer cads-footer contents"> <div class="footer-links"> <a href="/" class="footer-link" title="Forum home">Home</a> <a href="/about" class="footer-link" title="About this Forum">About</a> <a href="/guidelines" class="footer-link" title="Forum guidelines">Guidelines</a> <a href="/tos" class="footer-link" title="Forum Terms of use">Terms of use</a> <a href="/privacy" class="footer-link" title="Privacy">Privacy</a> <a href="/cookies" class="footer-link" title="Cookies">Cookies</a> <a href="https://ads.atmosphere.copernicus.eu" target="_blank" class="footer-link" title="Visit the Atmosphere Data Store">Atmosphere Data Store</a> <a href="https://cds.climate.copernicus.eu" target="_blank" class="footer-link" title="Visit the Climate Data Store">Climate Data Store</a> </div> </div> <div class="buorg"><div>Unfortunately, <a href="https://www.discourse.org/faq/#browser">your browser is unsupported</a>. 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