Hi Thomas, Thank you for your response. I don't believe it is a system path or missing dll problem. As the example I provided shows it works when I invoke it from the Python Shell within the command line that includes the statement "import jcc". MOD_WSGI also works and shows my current path when I invoke a test WSGI script. The test MOD_WSGI script fails however when I include the "import jcc" statement. This seems like it is a easy to reproduce problem.
Your thought about not allowing it to be called within another process might be right but need more info and it may not help since I am on Windows XP which I understand doesn't support WSGIDaemonProcess would allow a separate process to run. Is there anyone else at pylucene that might be able to help? Or maybe point me to the patch that was proposed to see if that fixes the problem? Thanks for your help. Carlos On Thu, Aug 16, 2012 at 12:05 AM, Thomas Koch <k...@orbiteam.de> wrote: > Dear Carlos, > haven't used mod_wsgi so far, but remember there was a patch submitted to > the list related to mod_wsgi : > > > Von: Patrick J. McNerthney [mailto:pmcnerth...@ncircle.com] > > Gesendet: Freitag, 6. Juli 2012 05:40 > > An: pylucene-dev@lucene.apache.org > > Betreff: Supporting mod_wsgi python sub-interpreters > > > > I would like to propose the attached patch to support the use of python > sub- > > interpreters, which are used by mod_wsgi. If there is interest, I can > further > > clarify. > > > > Pat > > That hasn't been discussed further, but maybe Pat can comment on what the > patch was good for or what problem it solves? > > BTW, the error you encounter may not be related to the python interpreter > not finding jcc.dll but rather that jcc.dll cannot be loaded in the current > process - e.g. because of wrong path in environment. I can for example > reproduce this by setting PATH=C:\ and invoke python: > > Python 2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)] > on > win32 > Type "help", "copyright", "credits" or "license" for more information. > >>> import jcc > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > File > > "c:\Devel\Python27\lib\site-packages\jcc-2.13-py2.7-win32.egg\jcc\__init__.p > y", line 31, in <module> > from jcc import _jcc > ImportError: DLL load failed: Das angegebene Modul wurde nicht gefunden. > >>> > > A typical problem in not being able to import lucene/jcc is a missing DLL > (msvcr71.DLL) which is required by the loaded DLL. Sometimes it helps to > load the DLL directly - in a command shell (interpreter) environment for > example a windows dialogue may popup and tell you about the missing DLL. > That may not work in a server process... Hope that helps. > > > Regards, > Thomas > > > -----Ursprüngliche Nachricht----- > > Von: Carlos Ferreira [mailto:to.carlos.ferre...@gmail.com] > > Gesendet: Donnerstag, 16. August 2012 04:17 > > An: pylucene-dev@lucene.apache.org > > Betreff: DLL load failed: The specified module could not be found. from > jcc > > import _jcc > > > > Hi, Please help I am unable to get Pylucene working with JCC on Apache > > 2.22 using Mod_WSGI on Windows XP. > > > > > > > > *Works from Command Line* > > > > C:\python > > > > Python 2.7.1 (r271:86832, Nov 27 2010 18:30:46) [MSC v.1500 32 bit > (Intel)] on > > win32 > > > > >>> import jcc > > > > >>>from jcc import _jcc > > > > >>>dir (_jcc) > > > > [‘Boolean’, ‘Bye’, ‘CLASSPATH’, ….. > > > > > > > > Works from Command Line > > > > C:\python > > c:\Python27\Lib\site-packages\JCC-2.13-py2.7-win32.egg\jcc\__init__.py > > > > JCC – C++/Python Java Native Interface Code Generator > > > > Usage: python –m jcc.__main__ [options] [actions] > > > > > > > > *Fails with MOD_WSGI using a simple test script:* > > > > import os, sys > > > > sys.path.append('C:\Python27\Lib\site-packages\JCC-2.13-py2.7- > > win32.egg\jcc.dll') > > > > sys.path.append('C:\Program Files\Java\jre6\bin\client\jvm.dll') > > > > > > > > def application(environ, start_response): > > > > import jcc > > > > from jcc import _jcc > > > > > > > > status = '200 OK' > > > > output = '' > > > > output += 'sys.version = %s\n' % repr(sys.version) > > > > output += 'sys.prefix = %s\n' % repr(sys.prefix) > > > > output += 'sys.path = %s\n' % repr(sys.path) > > > > output += 'wsgi.multithread = %s\n' % > repr(environ['wsgi.multithread']) > > > > output += 'mod_wsgi.process_group = %s\n' % > > repr(environ['mod_wsgi.process_group']) > > > > output += 'os.environ = %s \n' % repr(os.environ['Path']) > > > > > > > > response_headers = [('Content-type', 'text/plain'), > > > > ('Content-Length', str(len(output)))] > > > > start_response(status, response_headers) > > > > > > > > return [output] > > > > > > > > *Fails with error:* > > > > [Wed Aug 15 18:44:19 2012] [warn] mod_wsgi: Compiled for Python/2.7. > > > > [Wed Aug 15 18:44:19 2012] [warn] mod_wsgi: Runtime using Python/2.7.1. > > > > [Wed Aug 15 18:44:19 2012] [notice] Apache/2.2.22 (Win32) mod_wsgi/3.3 > > Python/2.7.1 configured -- resuming normal operations > > > > [Wed Aug 15 18:44:19 2012] [notice] Server built: Jan 28 2012 11:16:39 > > > > [Wed Aug 15 18:44:19 2012] [notice] Parent: Created child process 4596 > > > > [Wed Aug 15 18:44:19 2012] [warn] mod_wsgi: Compiled for Python/2.7. > > > > [Wed Aug 15 18:44:19 2012] [warn] mod_wsgi: Runtime using Python/2.7.1. > > > > [Wed Aug 15 18:44:19 2012] [notice] Child 4596: Child process is running > > > > [Wed Aug 15 18:44:19 2012] [notice] Child 4596: Acquired the start mutex. > > > > [Wed Aug 15 18:44:19 2012] [notice] Child 4596: Starting 64 worker > threads. > > > > [Wed Aug 15 18:44:19 2012] [notice] Child 4596: Starting thread to listen > on > > port 80. > > > > [Wed Aug 15 18:44:30 2012] [error] [client 127.0.0.1] mod_wsgi > (pid=4596): > > Exception occurred processing WSGI script 'C:/temp/wsgi_test.py'. > > > > [Wed Aug 15 18:44:30 2012] [error] [client 127.0.0.1] Traceback (most > recent > > call last): > > > > [Wed Aug 15 18:44:30 2012] [error] [client 127.0.0.1] File > > "C:/temp/wsgi_test.py", line 6, in application > > > > [Wed Aug 15 18:44:30 2012] [error] [client 127.0.0.1] import jcc > > > > [Wed Aug 15 18:44:30 2012] [error] [client 127.0.0.1] File > > "c:\\Python27\\lib\\site-packages\\jcc-2.13-py2.7- > > win32.egg\\jcc\\__init__.py", > > line 31, in <module> > > > > [Wed Aug 15 18:44:30 2012] [error] [client 127.0.0.1] from jcc import > > _jcc > > > > [Wed Aug 15 18:44:30 2012] [error] [client 127.0.0.1] ImportError: DLL > load > > failed: The specified module could not be found. > > > > > > > > *I think Mod_WSGI is installed correctly because removing this from the > > above test script:* > > > > import jcc > > > > from jcc import _jcc > > > > > > > > *Results correct output in the browser window:* > > > > sys.version = '2.7.1 (r271:86832, Nov 27 2010, 18:30:46) [MSC v.1500 > > 32 bit (Intel)]' > > > > sys.prefix = 'c:\\Python27' > > > > sys.path = ['c:\\Python27\\lib\\site-packages\\south-0.7.3-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\django_admin_tools-0.4.0-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\oauth2-1.5.170-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\httplib2-0.7.2-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\django_social_auth-0.6.0-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\python_openid-2.2.5-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\python_dateutil-1.5-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\distribute-0.6.24-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\django_chronograph-0.2.0.dev- > > py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\pyofc2-0.1.5dev-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\anyjson-0.3.1-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\django_pagination-1.0.7-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\gdata-2.0.17-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\flickrapi-1.4.2-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\threadpool-1.2.7-py2.7.egg', > > 'c:\\Python27\\lib\\site-packages\\jcc-2.13-py2.7-win32.egg', > > 'c:\\Python27\\lib\\site-packages\\lucene-3.6.0-py2.7-win32.egg', > > 'c:\\Python27\\Lib', 'c:\\test\\git_repo\\src', > > 'c:\\test\\git_repo\\src\\plunk4', 'C:\\Program > > Files\\Java\\jdk1.6.0_26\\bin', 'C:\\Program > > Files\\Java\\jdk1.6.0_26\\bin\\client', 'C:\\Program Files\\Apache > Software > > Foundation\\Apache2.2', 'C:\\WINDOWS\\system32\\python27.zip', > > 'c:\\Python27\\DLLs', 'c:\\Python27\\lib\\plat-win', > 'c:\\Python27\\lib\\lib- > > tk', 'C:\\Program Files\\Apache Software Foundation\\Apache2.2\\bin', > > 'c:\\Python27', 'c:\\Python27\\lib\\site-packages', > > 'C:\\Python27\\Lib\\site-packages\\JCC-2.13-py2.7-win32.egg\\jcc.dll', > > 'C:\\Program Files\\Java\\jre6\x08in\\client\\jvm.dll', > > 'C:\\Python27\\Lib\\site-packages\\JCC-2.13-py2.7-win32.egg\\jcc.dll', > > 'C:\\Program Files\\Java\\jre6\x08in\\client\\jvm.dll'] > > > > wsgi.multithread = True > > > > mod_wsgi.process_group = '' > > > > os.environ = 'c:\\Python27\\lib\\site-packages\\jcc-2.13-py2.7- > > win32.egg;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\system > > 32\\wbem;c:\\program > > files\\common files\\roxio shared\\dllshared\\;c:\\program files\\common > > files\\roxio shared\\10.0\\dllshared\\;C:\\Program > > Files\\Java\\jdk1.6.0_26\\jre\\bin;C:\\Program > > Files\\Java\\jdk1.6.0_26\\jre\\bin\\client;c:\\ant\\apache-ant- > > 1.8.2\\bin;c:\\python27\\scripts;c:\\python27;c:\\program > > files\\git\\cmd;c:\\program > > files\\ibm\\gsk8\\lib;C:\\PROGRA~1\\IBM\\SQLLIB\\BIN;C:\\PROGRA~1\\IB > > M\\SQLLIB\\FUNCTION;C:\\PROGRA~1\\IBM\\SQLLIB\\SAMPLES\\REPL;C:\\ > > Program > > Files\\MySQL\\MySQL Server 5.5\\bin;C:\\Program > > Files\\QuickTime\\QTSystem\\;c:\\Python27;C:\\WINDOWS\\system32\\Wi > > ndowsPowerShell\\v1.0;C:\\Python27\\Lib\\site-packages\\JCC-2.13-py2.7- > > win32.egg;' > > > > > > > > I think the problem has something to do with how paths are being > > interpreted when the jcc script is run via command line versus when it is > run > > inside the MOD_WSGI process. I believe it is inserting extra \\ in the > path > > separator. So rather than c:\\python27\\Lib paths are being interpreted > as > > c:\\\\python\\\\Lib > > > > > > > > Appreciate any help on this. I have been stuck for a few days now. > > > > > > > > Thanks. > > > > Carlos > > > > * * > > *What version of the product are you using? On what operating system?* > > > > lucene-3.6.0-py2.7-win32.egg > > > > JCC-2.13-py2.7-win32.egg > > > > Python 2.7.1 > > > > Windows XP 32 bit > > Apache 2.2.2 > > > > ** > > >
