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Re^4: Protocol scheme 'http' is not supported

by ggerke (Novice)
on Jul 28, 2012 at 14:05 UTC ( #984200=note: print w/replies, xml ) Need Help??

in reply to Re^3: Protocol scheme 'http' is not supported
in thread Protocol scheme 'http' is not supported

I'm happy for anybody else's thoughts since mine don't seem to be liking me much at the moment ;)

When this all started I did have to install WWW:Mechanize in order to get the ball rolling. I don't recall any errors at the end of it but that may have been because I was figuring that it'd just magically work afterwards...

perl -V Summary of my perl5 (revision 5 version 8 subversion 8) configuration: Platform: osname=linux, osvers=2.6.18-274.12.1.el5, archname=x86_64-linux-th +read-multi uname='linux 2.6.18-274.12.1.el5 #1 s +mp tue nov 8 21:37:35 est 2011 x86_64 x86_64 x86_64 gnulinux ' config_args='-des -Doptimize=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOU +RCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 - +mtune=generic -Dversion=5.8.8 -Dmyhostname=localhost -Dperladmin=root +@localhost -Dcc=gcc -Dcf_by=Red Hat, Inc. -Dinstallprefix=/usr -Dpref +ix=/usr -Dlibpth=/usr/local/lib64 /lib64 /usr/lib64 -Dprivlib=/usr/li +b/perl5/5.8.8 -Dsitelib=/usr/lib/perl5/site_perl/5.8.8 -Dvendorlib=/u +sr/lib/perl5/vendor_perl/5.8.8 -Darchlib=/usr/lib64/perl5/5.8.8/x86_6 +4-linux-thread-multi -Dsitearch=/usr/lib64/perl5/site_perl/5.8.8/x86_ +64-linux-thread-multi -Dvendorarch=/usr/lib64/perl5/vendor_perl/5.8.8 +/x86_64-linux-thread-multi -Darchname=x86_64-linux-thread-multi -Dven +dorprefix=/usr -Dsiteprefix=/usr -Duseshrplib -Dusethreads -Duseithre +ads -Duselargefiles -Dd_dosuid -Dd_semctl_semun -Di_db -Ui_ndbm -Di_g +dbm -Di_shadow -Di_syslog -Dman3ext=3pm -Duseperlio -Dinstallusrbinpe +rl=n -Ubincompat5005 -Uversiononly -Dpager=/usr/bin/less -isr -Dd_get +hostent_r_proto -Ud_endhostent_r_proto -Ud_sethostent_r_proto -Ud_end +protoent_r_proto -Ud_setprotoent_r_proto -Ud_endservent_r_proto -Ud_s +etservent_r_proto -Dinc_version_list=5.8.7 5.8.6 5.8.5 -Dscriptdir=/u +sr/bin' hint=recommended, useposix=true, d_sigaction=define usethreads=define use5005threads=undef useithreads=define usemulti +plicity=define useperlio=define d_sfio=undef uselargefiles=define usesocks=undef use64bitint=define use64bitall=define uselongdouble=undef usemymalloc=n, bincompat5005=undef Compiler: cc='gcc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasin +g -pipe -Wdeclaration-after-statement -I/usr/local/include -D_LARGEFI +LE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm', optimize='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions +-fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic', cppflags='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -W +declaration-after-statement -I/usr/local/include -I/usr/include/gdbm' ccversion='', gccversion='4.1.2 20080704 (Red Hat 4.1.2-50)', gcco +sandvers='' intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678 d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=1 +6 ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', + lseeksize=8 alignbytes=8, prototype=define Linker and Libraries: ld='gcc', ldflags ='' libpth=/usr/local/lib64 /lib64 /usr/lib64 libs=-lresolv -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lpthread +-lc perllibs=-lresolv -lnsl -ldl -lm -lcrypt -lutil -lpthread -lc libc=, so=so, useshrplib=true, gnulibc_version='2.5' Dynamic Linking: dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E - +Wl,-rpath,/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE' cccdlflags='-fPIC', lddlflags='-shared -O2 -g -pipe -Wall -Wp,-D_F +ORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-siz +e=4 -m64 -mtune=generic' Characteristics of this binary (from libperl): Compile-time options: MULTIPLICITY PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP USE_64_BIT_ALL USE_64_BIT_INT USE_ITHREADS USE_LARGE_FILES USE_PERLIO USE_REENTRANT_API Built under linux Compiled at Dec 16 2011 08:20:05 @INC: /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/5.8.8 .

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Re^5: Protocol scheme 'http' is not supported
by Corion (Pope) on Jul 28, 2012 at 15:40 UTC

    I think all of this comes down to a botched install of LWP::UserAgent, which should include LWP::Protocol::http. Maybe explicitly installing LWP::Protocol or LWP::Protocol::http can get the situation unstuck, but I wonder how the other modules can pass their test suites when the most basic prerequisites are missing.

    Maybe you are mixing two versions of Perl, and have half of the module installed on one version and half on the other? Mixing Perl module directories seems like it's always a recipe for bad interactions to me...

      Indeed Corion, hence my comment/guess.

      A user level that continues to overstate my experience :-))

        Corion/Bloodnok, Yeah, It seemed like it's all about modules gone wild. I've got the exact same code (not what I posted; I boiled it down to the fewest number of lines that still showed the problem) and version of Perl on a Windows machine with no problems there so I figured moving it over to Linux would be a breeze.

        I'll try forcing an install of LWP::UserAgent, LWP::Protocol, and/or LWP::Protocol::http and see what that does for me. Is there a way from inside of cpan (ie the "perl -MCPAN -e shell") to actually uninstall an existing module or is it a manual cd-to-the-directory-and-rename sort of thing...?

        Many thanks, Greg

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