<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <link rel="STYLESHEET" href="modpython.css" type='text/css' /> <link rel="first" href="modpython.html" title='Mod_python Manual' /> <link rel='contents' href='contents.html' title="Contents" /> <link rel='index' href='genindex.html' title='Index' /> <link rel='last' href='about.html' title='About this document...' /> <link rel='help' href='about.html' title='About this document...' /> <link rel="prev" href="inst-testing.html" /> <link rel="parent" href="installation.html" /> <link rel="next" href="tutorial.html" /> <meta name='aesop' content='information' /> <title>2.5 Troubleshooting</title> </head> <body> <DIV CLASS="navigation"> <div id='top-navigation-panel' xml:id='top-navigation-panel'> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td class='online-navigation'><a rel="prev" title="2.4 Testing" href="inst-testing.html"><img src='previous.png' border='0' height='32' alt='Previous Page' width='32' /></A></td> <td class='online-navigation'><a rel="parent" title="2. 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Tutorial</A> </div> <hr /></div> </DIV> <!--End of Navigation Panel--> <H1><A NAME="SECTION004500000000000000000"></A><A NAME="inst-trouble"></A> <BR> 2.5 Troubleshooting </H1> <P> There are a few things you can try to identify the problem: <P> <UL> <LI>Carefully study the error output, if any. <P> </LI> <LI>Check the server error log file, it may contain useful clues. <P> </LI> <LI>Try running Apache from the command line in single process mode: <div class="verbatim"><pre> ./httpd -X </pre></div> This prevents it from backgrounding itself and may provide some useful information. <P> </LI> <LI>Beginning with mod_python 3.2.0, you can use the mod_python.testhandler to diagnose your configuration. Add this to your <span class="file">httpd.conf</span> file : <P> <div class="verbatim"><pre> <Location /mpinfo> SetHandler mod_python PythonHandler mod_python.testhandler </Location> </pre></div> <P> Now point your browser to the <span class="file">/mpinfo</span> URL (e.g. <span class="file">http://localhost/mpinfo</span>) and note down the information given. This will help you reporting your problem to the mod_python list. <P> </LI> <LI>Ask on the mod_python list. Make sure to provide specifics such as: <P> <UL> <LI>Mod_python version. </LI> <LI>Your operating system type, name and version. </LI> <LI>Your Python version, and any unusual compilation options. </LI> <LI>Your Apache version. </LI> <LI>Relevant parts of the Apache config, .htaccess. </LI> <LI>Relevant parts of the Python code. <P> </LI> </UL> <P> </LI> </UL> <DIV CLASS="navigation"> <div class='online-navigation'> <p></p><hr /> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td class='online-navigation'><a rel="prev" title="2.4 Testing" href="inst-testing.html"><img src='previous.png' border='0' height='32' alt='Previous Page' width='32' /></A></td> <td class='online-navigation'><a rel="parent" title="2. Installation" href="installation.html"><img src='up.png' border='0' height='32' alt='Up One Level' width='32' /></A></td> <td class='online-navigation'><a rel="next" title="3. 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Tutorial</A> </div> </div> <hr /> <span class="release-info">Release 3.3.1, documentation updated on January 29, 2007.</span> </DIV> <!--End of Navigation Panel--> </BODY> </HTML>