On Wed, Mar 11, 2009 at 10:30 AM, Martin Zvarík <mzvarik@xxxxxxxxx> wrote: > Marc Venturini napsal(a): >> >> Hi all, >> >> I wrote a PHP script running in Apache which takes more than 30 seconds to >> complete. It uses set_time_limit() to extend the time it is allowed to >> run. >> The script generates thumbnails from a list of images. Upon completion, >> the >> script redirects the browser to another page using HTTP headers. > > If you die() at the end of the script and don't redirect does it continue > this auto-30-seconds execution? > >> >> On my local machine (Windows + EasyPHP), the script runs as expected and >> completes after a few minutes. >> >> I observe an unexpected behavior on my production web server: >> - The script runs as expected for the first 30 seconds. >> - After 30 seconds, the same script with the same parameters starts again >> in >> a new thread/process. The initial thread/process is *not* interrupted, so >> 2 >> threads/processes run in parallel, executing the same sequence of >> operations >> with a 30 time shift. >> - The same scenario happens every 30 seconds (i.e.: at 0"30, 1"00, 1"30, >> and >> so on), multiplying the parallel threads/processes. > >> - The browser keeps on loading while the above happens. > >> - After some time, the browser displays a blank page and all the >> threads/processes stop. I assume this is due to resources exhaustion, but >> I >> have no means to check this assumption. >> >> I deduced the above reading a text file in which I log the sequence of >> called functions. > > It all seems as a redirection / unclosed loop problem. > >> >> Unfortunately I have no access *at all* to my production web server >> configuration (shared hosting, no documentation). I cannot even read the >> configuration settings. While I'm considering moving to another host, I'd >> be >> extremely pleased to have an explanation of the observed behavior. >> >> I have browsed the mailing list archives and looked for an explanation in >> other forums to no avail. This thread may deal with the same issue but >> does >> not include any explanation or solution: >> http://www.networkedmediatank.com/showthread.php?tid=17140 >> >> Thanks for reading, and please do not hesitate to ask for further >> explanations if what I'm trying to achieve was not clear! > > Why it works on your local server is probably caused by different > versions/settings, but I bet there's an error somewhere in your script. > > Consider sending it here, I'll take a look. A blank URL does not redirect to the directory index, IIRC... it refreshes the current page (such as a FORM tag with ACTION=""). This may very well still be your problem. My 2c, -- // Todd -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
