Hi All,
I have recently started having a few issues on our
mod_perl/apache server.
Software that has been functioning fine has suddenly
randomly started giving errors like:
========================================================
Error: 'newsletter' could not be loaded... (Can't locate
object method "new" via package
"NetChant::Component::Newsletter::Main" at
/opt/netchant/lib/NetChant/Component/Base.pm line 832. ):
Could not load component: Can't locate File/Temp.pm in
@INC (@INC contains: ... [.. snip very long list ..]
========================================================
We have noticed this error about half a dozen times
in the past day, and stopping the server and starting
it again (a full stop/start) *always* fixes the problem.
In the above case, it was saying it could not find
File/Temp.pm ... however, the module it can't find
varies from time to time...
We do have a lot of modules being loaded into memory
(which i assume mod_perl is caching in memory)... we
do have 3gigs of memory on the machine, only 2gigs of
which are usually being used (even when we get
the errors). Other parts of the software still work
fine... only certain parts give errors like the
above (and they keep consistently giving the error
until the server is restarted, at which point they
start to function perfectly again).
Given the above, i'm thinking that its a memory cache
issue?
Has any experience anything like the above?
Any hints on how to either debug the problem further
or solve the problem (if its a known issue) would
be greatly appreciated.
simran.
===========================================================
Server information is: Server: Apache/1.3.27 (Unix)
mod_ssl/2.8.14
OpenSSL/0.9.6c
DAV/1.0.3
mod_perl/1.28
Perl information is :
Summary of my perl5 (revision 5.0 version 8 subversion 0) configuration:
Platform:
osname=linux, osvers=2.4.21, archname=i686-linux
uname='linux ogre 2.4.21 #1 smp thu aug 7 15:00:49 est 2003 i686 unknown '
config_args=''
hint=recommended, useposix=true, d_sigaction=define
usethreads=undef use5005threads=undef useithreads=undef usemultiplicity=undef
useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
use64bitint=undef use64bitall=undef uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='cc', ccflags ='-fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64',
optimize='-O3',
cppflags='-fno-strict-aliasing -I/usr/local/include'
ccversion='', gccversion='2.95.4 20011002 (Debian prerelease)', gccosandvers=''
intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
alignbytes=4, prototype=define
Linker and Libraries:
ld='cc', ldflags =' -L/usr/local/lib'
libpth=/usr/local/lib /lib /usr/lib
libs=-lnsl -ldl -lm -lc -lcrypt -lutil
perllibs=-lnsl -ldl -lm -lc -lcrypt -lutil
libc=/lib/libc-2.2.5.so, so=so, useshrplib=false, libperl=libperl.a
gnulibc_version='2.2.5'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic'
cccdlflags='-fpic', lddlflags='-shared -L/usr/local/lib'
Characteristics of this binary (from libperl):
Compile-time options: USE_LARGE_FILES
Built under linux
Compiled at Aug 14 2003 16:40:19
%ENV:
PERL5LIB="/opt/netchant/lib"
@INC:
/opt/netchant/lib
/usr/local/netchant_perl/lib/5.8.0/i686-linux
/usr/local/netchant_perl/lib/5.8.0
/usr/local/netchant_perl/lib/site_perl/5.8.0/i686-linux
/usr/local/netchant_perl/lib/site_perl/5.8.0
/usr/local/netchant_perl/lib/site_perl
.
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