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<p>Daniel,</p>
<p><a class="moz-txt-link-freetext" href="https://github.com/OSGeo/gdal/pull/6028">https://github.com/OSGeo/gdal/pull/6028</a> should help, but with the
restriction indicated in the commit message.</p>
<p>Even<br>
</p>
<div class="moz-cite-prefix">Le 06/07/2022 à 13:13, Daniel Evans a
écrit :<br>
</div>
<blockquote type="cite"
cite="mid:CANnaQaY2+6OE_AWWvsxQ0t7TCQCZezsXd3Y09ymU4jw_vi+xdg@mail.gmail.com">
<div dir="ltr">Hi,
<div><br>
</div>
<div>I'm trying to diagnose some issues with accessing remote
datasets in GDAL - I believe the problem is unrelated to GDAL
itself, but it's proving hard to debug.</div>
<div><br>
</div>
<div>By enabling CPL_CURL_VERBOSE, I can see that the server is
kicking back a 400 Bad Request status, but the debug output
doesn't include the actual response content, which would allow
me to understand the problem in more detail. Is there a way to
get GDAL/cURL to output the response content for failed
requests?</div>
<div><br>
</div>
<div><br>
</div>
<div>By way of example, if I attempt to access a nonexistent
file on S3 with cURL directly, I get the 404 error code and
the descriptive XML error message at the end:<br>
<br>
</div>
<div>$ curl -v <a
href="https://a-very-very-fake-s3-bucket.s3.amazonaws.com/example.tif"
moz-do-not-send="true" class="moz-txt-link-freetext">https://a-very-very-fake-s3-bucket.s3.amazonaws.com/example.tif</a><br>
</div>
<div>[...]</div>
<div>< HTTP/1.1 404 Not Found<br>
< Content-Type: application/xml<br>
< Transfer-Encoding: chunked<br>
< Date: Wed, 06 Jul 2022 11:09:09 GMT<br>
< Server: AmazonS3<br>
--- these lines ---<br>
</div>
<div><</div>
<div><?xml version="1.0" encoding="UTF-8"?><br>
</div>
<div><Error><Code>NoSuchBucket</Code><Message>The
specified bucket does not
exist</Message><BucketName>a-very-very-fake-s3-bucket</BucketName>[...]</Error><br>
</div>
<div>--- these lines ---</div>
<div><br>
</div>
<div><br>
</div>
<div>In contrast, the output from GDAL with CPL_CURL_VERBOSE
excludes the XML response:</div>
<div><br>
</div>
<div>< HTTP/1.1 404 Not Found<br>
< Content-Type: application/xml<br>
< Transfer-Encoding: chunked<br>
< Date: Wed, 06 Jul 2022 11:04:16 GMT<br>
< Server: AmazonS3<br>
</div>
<div><br>
</div>
<div>--- no XML output here ---</div>
<div><br>
</div>
<div>* Connection #1 to host <a
href="http://a-very-very-fake-s3-bucket.s3.amazonaws.com"
moz-do-not-send="true">a-very-very-fake-s3-bucket.s3.amazonaws.com</a>
left intact<br>
* Couldn't find host <a
href="http://a-very-very-fake-s3-bucket.s3.amazonaws.com"
moz-do-not-send="true">a-very-very-fake-s3-bucket.s3.amazonaws.com</a>
in the .netrc file; using defaults<br>
* Found bundle for host <a
href="http://a-very-very-fake-s3-bucket.s3.amazonaws.com"
moz-do-not-send="true">a-very-very-fake-s3-bucket.s3.amazonaws.com</a>:
0x25b5080 [can pipeline]<br>
* Re-using existing connection! (#1) with host <a
href="http://a-very-very-fake-s3-bucket.s3.amazonaws.com"
moz-do-not-send="true">a-very-very-fake-s3-bucket.s3.amazonaws.com</a><br>
* Connected to <a
href="http://a-very-very-fake-s3-bucket.s3.amazonaws.com"
moz-do-not-send="true">a-very-very-fake-s3-bucket.s3.amazonaws.com</a>
(52.216.207.115) port 443 (#1)<br>
> GET
/?delimiter=%2F&max-keys=100&prefix=example.tif%2F
HTTP/1.1<br>
</div>
<div>[...]</div>
<div><br>
</div>
<div>Regards,</div>
<div>Daniel</div>
</div>
<br>
<fieldset class="moz-mime-attachment-header"></fieldset>
<pre class="moz-quote-pre" wrap="">_______________________________________________
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</pre>
</blockquote>
<pre class="moz-signature" cols="72">--
<a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
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