Re: Re: Upgrading expat for apache question
wayne collier <[email protected]> Tue, 09 Mar 2010 12:18:48 -0500
| Newsgroups | gmane.comp.python.mod_python |
|---|---|
| Message-ID | <[email protected]> |
This is a multi-part message in MIME format. --===============1227385941== Content-type: multipart/alternative; boundary="Boundary_(ID_Sr64i1wyFFoKyaL168G0kA)" This is a multi-part message in MIME format. --Boundary_(ID_Sr64i1wyFFoKyaL168G0kA) Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7BIT Okay I guess I will look else where. However, I keep getting segmentation faults when try an execute the ldap command t=l.simple_bind_s(dn,pw). It is only line of code that crashes. If the have the classic expat problem, would that mean I would get a segmentation fault problem from the start. Also, ldap script works okay as a stand alone script. Thanks. Wayne Graham Dumpleton wrote: > That is not your problem, quoting: > > http://code.google.com/p/modwsgi/wiki/IssuesWithExpatLibrary > > which is more up to date in respect of this issue, even if the > mod_wsgi variant of that document: > > """Note that this only applies to Python versions prior to Python 2.5. > >From Python 2.5 onwards, the copy of the "expat" library bundled in > with Python is name space prefixed, thereby avoid name clashes with an > "expat" library which has previously been loaded.""" > > You are using Python 2.6, so you cannot be affected by this problem. > > Graham > > On 9 March 2010 05:54, wayne collier <[email protected]> wrote: > >> Hello all. I need some help solving the dreaded segmentation fault that has >> cropped several time on this board. I have read the link >> http://www.dscpl.com.au/wiki/ModPython/Articles/ExpatCausingApacheCrash and >> followed the step and have uncovered the following. >> >> >> >>> ldd /usr/local/httpd-2.2.11/bin/httpd | grep expat >>> >> libexpat.so.0 => /lib/libexpat.so.0 (0x00d70000) >> >> >>> strings /lib/libexpat.so.0 | grep expat_ >>> >> expat_1.95.8 >> >> >>> ps aux | grep http | head -3 >>> >> webuser 14986 0.0 2.1 54236 19048 ? S Mar04 0:01 >> /usr/local/httpd-2.2.11/bin/httpd -d /usr/local/httpd-2.2.11 -f >> /usr/local/httpd-2.2.11/conf/httpd.conf >> webuser 14987 0.0 3.2 144128 29540 ? S Mar04 0:01 >> /usr/local/httpd-2.2.11/bin/httpd -d /usr/local/httpd-2.2.11 -f >> /usr/local/httpd-2.2.11/conf/httpd.conf >> webuser 14998 0.0 3.2 144212 29660 ? S Mar04 0:01 >> /usr/local/httpd-2.2.11/bin/httpd -d /usr/local/httpd-2.2.11 -f >> /usr/local/httpd-2.2.11/conf/httpd.conf >> >> >>> /usr/sbin/lsof -p 14986 | grep expat >>> >> httpd 14986 webuser mem REG 3,5 572313 972637 >> /opt/Python/lib/python2.6/lib-dynload/pyexpat.so >> httpd 14986 webuser mem REG 3,5 133120 1883791 >> /lib/libexpat.so.0.5.0 >> >> I am not sure why I get 2 shared libaries here. >> >> >>> strings /lib/libexpat.so.0.5.0 | grep expat_ >>> >> expat_1.95.8 >> >> >> >>> strings /opt/Python/lib/python2.6/lib-dynload/pyexpat.so | grep expat_ >>> >> pyexpat.expat_CAPI 1.0 >> expat_CAPI >> expat_2.0.0 >> >> >> >>>>> import pyexpat >>>>> pyexpat.version_info >>>>> >> (2, 0, 0) >> >> >> So it seems like I need get expat_1.95.8 apache is using up to expat_2.0.0. >> Can I simply try replacing the 1.95.8 library with 2.0.0. Or do I have >> recompile with Apache? If I do recompile I need to recompile apache with >> mod_python as well? >> >> >> >> >> > > _______________________________________________ > Mod_python mailing list > [email protected] > http://mailman.modpython.org/mailman/listinfo/mod_python > > --Boundary_(ID_Sr64i1wyFFoKyaL168G0kA) Content-type: text/html; charset=ISO-8859-1 Content-transfer-encoding: 7BIT <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#ffffff" text="#000000"> Okay I guess I will look else where. However, I keep getting segmentation faults when try an execute the ldap command <br> <pre><font><font><font color="#3333ff"><font color="#cc0000">t=l.simple_bind_s(dn,pw)<font color="#330000">. It is only line of code that crashes. If the have the classic expat problem, would that mean I would get a segmentation fault problem from the start. Also, ldap script works okay as a stand alone script. Thanks. Wayne </font></font></font></font></font></pre> <br> <br> Graham Dumpleton wrote: <blockquote cite="mid:88e286471003081446r5ba3da58tc5183beabadba30f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org" type="cite"> <pre wrap="">That is not your problem, quoting: <a class="moz-txt-link-freetext" href="http://code.google.com/p/modwsgi/wiki/IssuesWithExpatLibrary">http://code.google.com/p/modwsgi/wiki/IssuesWithExpatLibrary</a> which is more up to date in respect of this issue, even if the mod_wsgi variant of that document: """Note that this only applies to Python versions prior to Python 2.5. >From Python 2.5 onwards, the copy of the "expat" library bundled in with Python is name space prefixed, thereby avoid name clashes with an "expat" library which has previously been loaded.""" You are using Python 2.6, so you cannot be affected by this problem. Graham On 9 March 2010 05:54, wayne collier <a class="moz-txt-link-rfc2396E" href="mailto:[email protected]"><[email protected]></a> wrote: </pre> <blockquote type="cite"> <pre wrap="">Hello all. I need some help solving the dreaded segmentation fault that has cropped several time on this board. I have read the link <a class="moz-txt-link-freetext" href="http://www.dscpl.com.au/wiki/ModPython/Articles/ExpatCausingApacheCrash">http://www.dscpl.com.au/wiki/ModPython/Articles/ExpatCausingApacheCrash</a> and followed the step and have uncovered the following. </pre> <blockquote type="cite"> <pre wrap="">ldd /usr/local/httpd-2.2.11/bin/httpd | grep expat </pre> </blockquote> <pre wrap=""> libexpat.so.0 => /lib/libexpat.so.0 (0x00d70000) </pre> <blockquote type="cite"> <pre wrap="">strings /lib/libexpat.so.0 | grep expat_ </pre> </blockquote> <pre wrap="">expat_1.95.8 </pre> <blockquote type="cite"> <pre wrap=""> ps aux | grep http | head -3 </pre> </blockquote> <pre wrap="">webuser 14986 0.0 2.1 54236 19048 ? S Mar04 0:01 /usr/local/httpd-2.2.11/bin/httpd -d /usr/local/httpd-2.2.11 -f /usr/local/httpd-2.2.11/conf/httpd.conf webuser 14987 0.0 3.2 144128 29540 ? S Mar04 0:01 /usr/local/httpd-2.2.11/bin/httpd -d /usr/local/httpd-2.2.11 -f /usr/local/httpd-2.2.11/conf/httpd.conf webuser 14998 0.0 3.2 144212 29660 ? S Mar04 0:01 /usr/local/httpd-2.2.11/bin/httpd -d /usr/local/httpd-2.2.11 -f /usr/local/httpd-2.2.11/conf/httpd.conf </pre> <blockquote type="cite"> <pre wrap=""> /usr/sbin/lsof -p 14986 | grep expat </pre> </blockquote> <pre wrap="">httpd 14986 webuser mem REG 3,5 572313 972637 /opt/Python/lib/python2.6/lib-dynload/pyexpat.so httpd 14986 webuser mem REG 3,5 133120 1883791 /lib/libexpat.so.0.5.0 I am not sure why I get 2 shared libaries here. </pre> <blockquote type="cite"> <pre wrap=""> strings /lib/libexpat.so.0.5.0 | grep expat_ </pre> </blockquote> <pre wrap="">expat_1.95.8 </pre> <blockquote type="cite"> <pre wrap="">strings /opt/Python/lib/python2.6/lib-dynload/pyexpat.so | grep expat_ </pre> </blockquote> <pre wrap="">pyexpat.expat_CAPI 1.0 expat_CAPI expat_2.0.0 </pre> <blockquote type="cite"> <blockquote type="cite"> <blockquote type="cite"> <pre wrap="">import pyexpat pyexpat.version_info </pre> </blockquote> </blockquote> </blockquote> <pre wrap="">(2, 0, 0) So it seems like I need get expat_1.95.8 apache is using up to expat_2.0.0. Can I simply try replacing the 1.95.8 library with 2.0.0. Or do I have recompile with Apache? If I do recompile I need to recompile apache with mod_python as well? </pre> </blockquote> <pre wrap=""><!----> _______________________________________________ Mod_python mailing list <a class="moz-txt-link-abbreviated" href="mailto:[email protected]">[email protected]</a> <a class="moz-txt-link-freetext" href="http://mailman.modpython.org/mailman/listinfo/mod_python">http://mailman.modpython.org/mailman/listinfo/mod_python</a> </pre> </blockquote> <br> </body> </html> --Boundary_(ID_Sr64i1wyFFoKyaL168G0kA)-- --===============1227385941== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Mod_python mailing list [email protected] http://mailman.modpython.org/mailman/listinfo/mod_python --===============1227385941==--