In my case, Apache is running as localsystem and it happens consistently. I'm just not able to use 2.2.10 due to this problem.
On Tue, Nov 18, 2008 at 9:42 PM, Dan Yamins <[EMAIL PROTECTED]> wrote: > >> > ... >> > [Tue Nov 18 18:23:28 2008] [error] [client a.b.c.d] Premature end of >> > script headers: our_application.exe >> > ... >> >> >> ScriptLog might show you that your app is emitting an error message >> instead of e.g. Content-Type header. >> >> -- > > Actually, I've _also_ just started to have an intermittent and seemingly > obscure and very frustrating "premature end of script headers" problem. > > I'm running a python script using CGI on a local apache-served virtual host. > (It' just an internal development project.) The project involves layout of > some large graph network structures, which are then viewed via a web-based > graph-vieweing tool. The script uses the "Pygraphviz" module > (http://networkx.lanl.gov/pygraphviz/) to generate .svg files with layouts > of the graph and the "zgrviewer" applet to view the graphs. During the > script, I first construct the graph. After using the pygraphviz module to > do the layout of the graph as a data structure in memory, I invoke the > pygraphviz method "draw", which saves the graph to an .svg on disk. Then I > issue the HTML code invoking the zgrviewer applet, which uses the saved .svg > file. > > Sometimes -- only _sometimes_ -- when the script invokes the "draw" method, > I get a "premature end of script headers" problem, with error code 500. > Because the .draw method is outputing a file to disk, it seems like it might > be a permissions-related problem. But I can't figure out what t is easily, > becuase the problem only happens occasionally. Moreover, when it happens, > if I just hit "refresh" on the browser to run the script again, then it > usually runs fine. I haven't been able to figure out more than this. > > Any suggestions greatly appreciated! > Thanks, > Dan > > --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: [EMAIL PROTECTED] " from the digest: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
