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Graham Dumpleton
graham.dumpleton at gmail.com
Mon Aug 4 21:21:28 EDT 2008
2008/8/5 <ynj0qeh02 at sneakemail.com>: > Thanks for the quick reply! Answers inline... > > On Mon, Aug 4, 2008 at 7:28 PM, Graham Dumpleton > graham.dumpleton-at-......... |public mailing list| <...> wrote: >> >> What operating system? What version of Python? What version of mod_python? > > I am on Windows XP SP3 using Python 2.5 in mod_python 3.3.1 > > I hacked the binary to use 2.5 on Windows, but the same problem is > reproducible on Ubuntu 7.10 using the latest source from svn compiled with > python 2.5. > >> What startup messages for mod_python are in the Apache error log? > > > [Mon Aug 04 20:03:21 2008] [notice] Server built: Nov 7 2007 11:48:48 > [Mon Aug 04 20:03:21 2008] [notice] Parent: Created child process 27164 > [Mon Aug 04 20:03:22 2008] [error] python_init: Python version mismatch, > expected '2.4.3', found '2.5'. This is why it is probably breaking. Install mod_python compiled against Python 2.5. The version you are using was compiled against older version of Python. Fix your installation and try again. Do you get similar warnings on your other platform as well? Graham > [Mon Aug 04 20:03:22 2008] [error] python_init: Python executable found > 'C:\\xampp\\apache\\bin\\apache.exe'. > [Mon Aug 04 20:03:22 2008] [error] python_init: Python path being used > 'C:\\Program > Files\\OpenLibraries\\python;C:\\WINDOWS\\system32\\python25.zip;C:\\Python25\\Lib;C:\\Python25\\DLLs;C:\\Python25\\Lib\\lib-tk;;C:\\xampp\\apache\\bin'. > [Mon Aug 04 20:03:22 2008] [notice] mod_python: Creating 8 session mutexes > based on 0 max processes and 250 max threads. > >> >> >> What is the mod_python configuration you have in Apache configuration >> files? > > > PythonOption mod_python.mutex_directory "/pytmp" > PythonOption mod_python.mutex_locks 8 > > AliasMatch ^/slique(.*) 'C:/Documents and Settings/Jason/My > Documents/Coding/eclipse-workspace/slique-dev/src/$1' > > <Directory 'C:/Documents and Settings/Jason/My > Documents/Coding/eclipse-workspace/slique-dev/src'> > Options Indexes ExecCGI FollowSymLinks MultiViews > AllowOverride All > > AddHandler mod_python .py > PythonHandler mod_python.publisher > PythonDebug On > PythonPath "sys.path + ['C:/Documents and Settings/Jason/My > Documents/Coding/eclipse-workspace/slique-dev/src']" > > </Directory> > >> >> >> Specifically, are you setting PythonPath directive in really strange ways? > > PythonPath is set this way > PythonPath "sys.path + ['C:/Documents and Settings/Jason/My > Documents/Coding/eclipse-workspace/slique-dev/src']" > >> >> >> Does it happen if you don't use the 'logging' module? > > If I comment out logging.exception('I crash'), then the traceback prints to > screen as expected. > >> >> Graham >> >> 2008/8/5 Jason Carver <ynj0qeh02 at sneakemail.com>: >> > Here is code that consistently crashes Apache for me: >> > >> > import logging >> > >> > def index(req): >> > """Handles all Browser Requests""" >> > try: >> > reqHandler = logging.StreamHandler(req) >> > logging.getLogger('').addHandler(reqHandler) >> > if req.form.has_key('action'): >> > raise Exception('Goodbye Apache') >> > except Exception, e: >> > logging.exception('I crash') >> > raise >> > >> > Now just go to the site with /?action=dosomething and it will crash >> > >> > Removing the if statement, the exception, or the logger are all ways of >> > alleviating the crash, but none of them should be necessary. >> > >> > Cheers, >> > Jason >> > >> > On Mon, Aug 4, 2008 at 2:51 PM, Jason Carver <ynj0qeh02 at sneakemail.com> >> > wrote: >> >> >> >> Hi all, >> >> >> >> I am having the craziest error, confirmed on both a LAMPython and >> >> WAMPython setup: exceptions in mod_python are causing Apache to crash >> >> hard. >> >> Even stranger is that the exceptions have to meet a few specific >> >> conditions >> >> to cause Apache to crash. >> >> >> >> As best I can tell those conditions include: >> >> >> >> raising an exception (this problem always goes away if the exception is >> >> commented out) >> >> having the exception be inside an if-block that tests a dictionary (the >> >> problem goes away if I do something like """if 'hello' == 'hello': >> >> raise >> >> Exception('goodbye')""") >> >> catching the exception and logging it using the python built-in >> >> logging.exception(e) (the problem goes away if I comment out the >> >> logger) >> >> >> >> Apache does not write anything to its error.log, so it was a bit of an >> >> adventure to discover all these elements. >> >> >> >> Any ideas? >> >> >> >> Cheers, >> >> Jason >> > >> > _______________________________________________ >> > Mod_python mailing list >> > Mod_python at modpython.org >> > http://mailman.modpython.org/mailman/listinfo/mod_python >> > >> > > >
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