301 Error with https://api3.geo.admin.ch/rest/services/api/SearchServer

NIS AG

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Aug 12, 2022, 7:00:50 AM8/12/22

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Hello

Since yesterday, the calls to https://api3.geo.admin.ch/rest/services/api/SearchServer from our Webapplication are not working anymore.

Example: https://api3.geo.admin.ch/rest/services/api/SearchServer?type=locations&searchText=M%C3%BChlenstrasse%203,%20Villmergen&sr=2056

We got the error:

<head><title>301 Moved Permanently</title></head>
<body bgcolor="white">
<center><h1>301 Moved Permanently</h1></center>
<hr><center>CloudFront</center>
</body>
</html>

When calling via browser, it works, because the browser can handle the 301 error.

All the release versions of our application are affected.

Regards,
Flavio
NIS AG

David Oesch

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Aug 12, 2022, 7:57:08 AM8/12/22

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Hi Flavio

We did a Datencenter Migration yesterday - and the following reason for your 301 results could be

- The REST API had a bug in which all endpoints respond to any HTTP method like a GET. For the search endpoint /rest/services/api/SearchServer it has been fixed and now it only supports the correct methods:

GET => returns the data

HEAD => return only the headers (no payload)

OPTIONS => returns the headers for CORS (no payload)

See as well https://groups.google.com/g/geoadmin-api/c/Z6HMAtmhN9Q

- Versioning

Make sure that you don’t use the depreciated versioning in your code , eg a number between api3.geo.admin.ch/ and /rest/

Part of the url

David

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NIS AG

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Aug 12, 2022, 9:16:58 AM8/12/22

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Hi David

Thank you for your prompt reply.

- In the code I tried to explicitly set the HTTP method GET and I still get the 301 error.

- We use the correct API URL: https://api3.geo.admin.ch/rest/services/api/SearchServer?type=locations&searchText=M%C3%BChlenstrasse%203,%20Villmergen&sr=2056

Regards,

Flavio

David...@swisstopo.ch

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Aug 12, 2022, 9:34:30 AM8/12/22

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Can you provide the complete code snippet?

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NIS AG

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Aug 12, 2022, 9:49:59 AM8/12/22

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The code Snippet (Groovy/Grails) is attached.

Here the output:

DEBUG search.SwissGeocodeSearch - parameters----: type=locations&searchText=Halde 35&sr=2056
DEBUG search.SwissGeocodeSearch - url----: http://api3.geo.admin.ch/rest/services/api/SearchServer?type=locations&searchText=Halde%2035&sr=2056
DEBUG search.SwissGeocodeSearch - out----: <html>

<head><title>301 Moved Permanently</title></head>
<body bgcolor="white">
<center><h1>301 Moved Permanently</h1></center>
<hr><center>CloudFront</center>
</body>
</html>

DEBUG search.SwissGeocodeSearch - jsonResponse----: [:]

Regards,

Flavio

code-snippet.png

David...@swisstopo.ch

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Aug 12, 2022, 9:59:14 AM8/12/22

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Thanks

Our team will analyze it
Internal ticket

https://jira.swisstopo.ch/browse/BGDIINF_SB-2535

Make sure that you don’t use the depreciated versioning in your code , eg a number between api3.geo.admin.ch/<http://api3.geo.admin.ch/> and /rest/

To view this discussion on the web visit https://groups.google.com/d/msgid/geoadmin-api/19542453-c992-403d-96fe-ed42142f48b8n%40googlegroups.com<https://groups.google.com/d/msgid/geoadmin-api/19542453-c992-403d-96fe-ed42142f48b8n%40googlegroups.com?utm_medium=email&utm_source=footer>.

christoph...@swisstopo.ch

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Aug 14, 2022, 10:56:03 PM8/14/22

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Good morning,

301 is not an error but a redirect, see also statement in the response. In that case http traffic is redirected to https since we're not accepting http traffic anymore.

If you use https in your URL you end up on the service directly and receive the desired response.

Best regards

NIS AG

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Aug 16, 2022, 4:59:06 AM8/16/22

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Hello

In order to use https, code adjustments are required in our application. Since we have several release versions in use, this would involve considerable effort.

Is there a possibility that there will still be a transition period for http?

Regards,

Flavio

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