Nailing down XML error on article save (traceback sending???

[Mekk]

For some time, whenever I publish a new article, I find in PHP error log:

[12-lut-2009 20:26:41] XML error at line 1, check URL

There is no information in the browser, nothing else in the log, and the problem happens only when I publish a new article = when I switch it from draft to published state (does not happen when I publish draft or when I edit an existing article).

I suspect either ping sending or traceback sending.

Is it possible to nail it down somehow?

[garvinhicking]

Hi!

That is the only entry?! This is highly unusuall, usually PHP outputs a filename and linenumber on where an error occurs.

I think it must be xmlrpc ping related; do you use the "announce entries" plugin, and which sites do you ping to?

Regards,
Garvin

[Mekk]

Hi!

That is the only entry?! This is highly unusuall, usually PHP outputs a filename and linenumber on where an error occurs.

Yes, nothing else, just this error. And exactly once per every article published.

I think it must be xmlrpc ping related; do you use the "announce entries" plugin, and which sites do you ping to?

Yes, I use announce entries. Most default services (
Ping-o-Matic, blogrolling.com, technorati.com, weblogs.com, Yahoo!, Google)
plus non-standard pingme.pl/ping

The problem is it is somewhat difficult to test by elimination as I don't want to flood my subscribers with rubbish. So I'd prefer to patch the announce plugin so it tracks errors in more detail.

PS Looks like technorati isn't catching my updates. I just disabled it, will see whether it helped when I publish the next post.