Error 52: Empty reply from server -- PayPal Express Checkout

[ctcentralinfo]

I just received this error message via email:

ALERT: PayPal Express Checkout Error

- (52) Empty reply from server

What could be causing this? I received this error after I upgraded to PayPal Express Checkout. I even uninstalled it and reinstalled it as instructed.

[DrByte]

That's a CURL error ... which suggests your server's CURL configuration may be weird.

What version of Zen Cart?

[ctcentralinfo]

I am currently using 1.3.8

[DrByte]

What's the URL to your /extras/curltest.php file?

What happens if you add ?paypal=1 to it?

[ctcentralinfo]

With:

http://www.cooltechcentral.com/extra...t.php?paypal=1

I get:

Array
(
[url] => "https://api-3t.paypal.com/nvp"
[content_type] => text/plain; charset=utf-8
[http_code] => 200
[header_size] => 197
[request_size] => 166
[filetime] => -1
[ssl_verify_result] => 0
[redirect_count] => 0
[total_time] => 0.517354
[namelookup_time] => 0.039624
[connect_time] => 0.105018
[pretransfer_time] => 0.384249
[size_upload] => 0
[size_download] => 146
[speed_download] => 282
[speed_upload] => 0
[download_content_length] => 146
[upload_content_length] => 0
[starttransfer_time] => 0.517053
[redirect_time] => 0
)



ACK=Failure&L_ERRORCODE0=81002&L_SHORTMESSAGE0=Unspecified%20Method&L_LONGMESSAG E0=Method%20Specified%20is%20not%20Supported&L_SEVERITYCODE0=ErrorEOF

[DrByte]

That all means your CURL communications to PayPal appears to be working fine for basic connectivity.

"When" are you getting the "52" errors?