opencart notify customer trigger SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data

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opencart notify customer trigger SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data

liprotech.in

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Tue Oct 16, 2018 11:13 pm

Post by liprotech.in » Tue Jun 09, 2020 7:20 am

Hi,
I am using OpenCart Version 3.0.3.3 with journal 3.0.46
At the time of order status update if we choose to notify customer, it's trigger a error like the following. Though function is working, it's feel very disturbing to see this error every time we update the order status.

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SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data
OK
<b>Unknown</b>: filter_var(): explicit use of FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED is deprecated in <b>/var/www/vhosts/domain/httpdocs/system/library/phpmailer/PHPMailer.php</b> on line <b>3581</b><b>Unknown</b>: filter_var(): explicit use of FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED is deprecated in <b>/var/www/vhosts/domain/httpdocs/system/library/phpmailer/PHPMailer.php</b> on line <b>3581</b><b>Unknown</b>: filter_var(): explicit use of FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED is deprecated in <b>/var/www/vhosts/domain/httpdocs/system/library/phpmailer/PHPMailer.php</b> on line <b>3581</b>{"success":"Success: You have modified orders!"}

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liprotech.in

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Re: opencart notify customer trigger SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data

letxobnav

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Post by letxobnav » Tue Jun 09, 2020 8:03 am

It is just and error message about an error message because OC error handling hardly exist.
The original issue was that FILTER_FLAG_HOST_REQUIRED is depricated in the phpmailer class you are using.
Because you display notices and warnings, that is put out by php in html format and because the mail function expects a json encoded response, you get the syntax error message in json.parse.
so
1) update phpmailer
2) stop displaying notices,warnings and errors, there are logs.

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