Difference between revisions of "Troubleshooting of curl errors"

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Related articles
 
Related articles
 
* [https://github.com/curl/curl/issues/4982 cURL error 56: OpenSSL SSL_read: No error information · Issue #4982 · curl/curl]
 
* [https://github.com/curl/curl/issues/4982 cURL error 56: OpenSSL SSL_read: No error information · Issue #4982 · curl/curl]
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== How to resolve Error 415 Unsupported Media Type ==
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When I tried to POST JSON (as payload) but met the error message: "Error 415 Unsupported Media Type"
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Solution: Set the cUrl with the header {{kbd | key=<nowiki>Content-Type: application/json</nowiki>}}<ref>[https://stackoverflow.com/questions/11087872/php-curl-post-returns-a-415-unsupported-media-type PHP cURL POST returns a 415 - Unsupported Media Type - Stack Overflow]</ref>
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<pre>
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curl -X POST --header "Content-Type: application/json" --data '{"user" : "your_user_name", "token" : "your_token"}' "https://example.com/"
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</pre>
  
 
== References ==
 
== References ==

Revision as of 19:11, 28 May 2020

cUrl "is used in command lines or scripts to transfer data."[1] (alternative: cURL class for PHP)

How to resolve cUrl error (#5): Unsupported proxy syntax

Condition: the username of socks5 proxy contains @ symbol such as [email protected]

curl_setopt($ch, CURLOPT_PROXY, 'socks5://username:[email protected]:12345');
// result is ok

curl_setopt($ch, CURLOPT_PROXY, 'socks5://[email protected]:[email protected]:12345');
// met cUrl error (#5): Unsupported proxy syntax

Solution: Escape the special symbol[1] using URL Encode and Decode - Online or urlencode function

curl_setopt($ch, CURLOPT_PROXY, 'socks5://bob%40email.com:[email protected]:12345');
// result is ok

How to resolve cUrl error (#56): OpenSSL SSL_read: No error.

Condition: The curl vesion 7.67.0 on windows met problem. Result of curl_version returned:

version: Array
(
    [version_number] => 475904
    [age] => 5
    [features] => 2953117
    [ssl_version_number] => 0
    [version] => 7.67.0
    [host] => x86_64-pc-win32
    [ssl_version] => OpenSSL/1.1.1d
    [libz_version] => 1.2.11
)

Solution: Use other version of curl command or curl on Cygwin or cURL class for PHP.

Related articles

How to resolve Error 415 Unsupported Media Type

When I tried to POST JSON (as payload) but met the error message: "Error 415 Unsupported Media Type"

Solution: Set the cUrl with the header Content-Type: application/json[2]

curl -X POST --header "Content-Type: application/json" --data '{"user" : "your_user_name", "token" : "your_token"}' "https://example.com/"

References


Troubleshooting of ...

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