One super-nifty feature of the blogging bundle is the drag- and-drop image uploading, which sets you up with the appropriate image code in your blog post. Often, however, I have received the following error instead of a successful upload:
Received exception:HTTP-Error: 412 Precondition Failed
It seems to happen with some images and not others. Anyone seen this and have a solution?
That is a classic response you see from a server with mod_security installed. mod_security has a number of filters that will block certain HTTP transactions, depending on their content. So, you may need to disable the filter for the XMLRPC endpoint to prevent those errors. Either that or figure out which rule is causing the error and adjust it. Is this a server you manage or a shared server where mod_security is out of your control?
Googling for "precondition failed" (with quotes) yields several Q/A pages on this subject. Here's a useful one from the bunch:
http://www.modwest.com/help/kb1-322.html
-Brad
On Jan 29, 2008, at 8:29 AM, Chris wrote:
One super-nifty feature of the blogging bundle is the drag- and-drop image uploading, which sets you up with the appropriate image code in your blog post. Often, however, I have received the following error instead of a successful upload:
Received exception:HTTP-Error: 412 Precondition Failed
It seems to happen with some images and not others. Anyone seen this and have a solution?
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Brad Choate -
Chris