Fatal error -> HttpClientException

[merciful-player]

Prerequisites

• [ ] I have carried out troubleshooting steps and I believe I have found a bug.
• [ ] I have searched for similar bugs in both open and closed issues and cannot find a duplicate.

Describe the bug

Not sure how to fix this fatal error: PHP Fatal error: Uncaught Automattic\WooCommerce\HttpClient\HttpClientException: JSON ERROR: Syntax error in /home/itexasnos1111/public_html/vendor/automattic/woocommerce/src/WooCommerce/HttpClient/HttpClient.php:411

Expected behavior

I am using the Client->put('products/ID', $data) call and it should have updated my product

Actual behavior

PHP Fatal error: Uncaught Automattic\WooCommerce\HttpClient\HttpClientException: JSON ERROR: Syntax error in /home/itexasnos1111/public_html/vendor/automattic/woocommerce/src/WooCommerce/HttpClient/HttpClient.php:411

Steps to reproduce

PHP Fatal error: Uncaught Automattic\WooCommerce\HttpClient\HttpClientException: JSON ERROR: Syntax error in /home/itexasnos1111/public_html/vendor/automattic/woocommerce/src/WooCommerce/HttpClient/HttpClient.php:411

WordPress Environment

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WordPress Environment

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Server Environment

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Database

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Isolating the problem

• [ ] I have deactivated other plugins and confirmed this bug occurs when only WooCommerce plugin is active.
• [ ] This bug happens with a default WordPress theme active, or Storefront.
• [ ] I can reproduce this bug consistently using the steps above.

[barryhughes]

It sounds like this may be an issue with the API client library, rather than a problem with the core WooCommerce plugin, so I'm going to transfer it across to the relevant project.

https://github.com/woocommerce/wc-api-php

[barryhughes]

@merciful-player we'd need more information to be able to help. For example, in my own testing and given a correctly initialized API client, a PUT request that updates an existing product seems to work nicely:

$woocommerce->put( 'products/123', [
  'name' => 'Change of product name',
] );

I'm not sure what's going wrong in your case.

• Are you sure the product exists?
• Can you make other requests successfully?
• What is in the payload (what does $data actually look like, is it a well-formed array and what keys are you using)?

Thanks!

[merciful-player]

@barryhughes Yes, the product does exist. I can make "get" & "post" requests w/o issues, but "put" & "delete" give me Fatal Errors

The payload for "put" is:

$data = [ 'stock_quantity' => 0 ];
$woocommerce->put('products/ID#', $data);

The payload for "delete" is: $woocommerce->delete('products/ID#', ['force' => true]);

Hope you can help, I've been using these commands for about a year now, and on May 1, they started giving me Fatal Errors.

[barryhughes]

OK, thanks!

So, probably, there has been a change of some kind in the server-side environment. The error you are seeing comes from HttpClient::processResponse() which, just as it sounds, processes the response from the server: it expects to receive well-formed JSON but in your case it presumably is not. Common reasons for this:

• An error is occurring server-side, resulting in a change of some kind to the JSON response.
• Or, perhaps another plugin is filtering and modifying the response and is unintentionally causing this.

Since it is likely a problem that is specific to your environment (rather than a bug in this package), I'm going to close the issue. Some next steps you can try:

• Create a fresh WordPress installation. Install the latest version of WooCommerce (and nothing else). Set up an API key, and see if you can replicate there. Hopefully you find there is no problem.
• From there, working with a staging/testing site replica of your production site, switch to a default theme and deactivate all other plugins except for WooCommerce. Now confirm if the problem is solved. Assuming it is, reactivate the other components one-by-one until you identify the source of the problem.

I hope that helps!

[merciful-player]

Thank you, I will work on that this weekend.