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From Kate Yoak <k...@yoak.com>
Subject Internal Server Error output - but no error
Date Sat, 29 Dec 2007 19:14:02 GMT
I am using mp2bug format for the message.  Hope, that's ok!


=========================
-------------8<---------- Start Bug Report ------------8<----------
1. Problem Description:


I have just upgraded to apache2/modperl2 (bug report with specific  
version info is below) and I am getting the strangest behavior. The  
barebones content handler:

sub handler{
	return 200;
}

Generates the proper headers:
HTTP/1.1 200 OK
Date: Sun, 30 Dec 2007 03:12:03 GMT
Server: Apache/2.2.6 (Unix) mod_perl/2.0.3 Perl/v5.8.8
Content-Length: 497
Content-Type: text/html; charset=iso-8859-1

But then adds a 500 error html to the output:
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>200 OK</title>
</head><body>
<h1>OK</h1>
<p>The server encountered an internal error or
misconfiguration and was unable to complete
your request.</p>
<p>Please contact the server administrator,
  you@example.com and inform them of the time the error occurred,
and anything you might have done that may have
caused the error.</p>
<p>More information about this error may be available
in the server error log.</p>
</body></html>


I say, "adds" because I have verified that if any content is output  
by the handler, the 500 doc is appended.

There is no error in the error log.

Interestingly, a 302 result works correctly. A static page display is  
fine also. I have rebuilt perl & mod_perl since I encountered the  
error to no avail.

I have tested with no modules loaded into apache - and with template  
toolkit - which appears to be working correctly except for the  
problem above. I compiled mod_perl as a dso; no threads; everything  
else default.

Thanks for the help:


2. Used Components and their Configuration:

*** mod_perl version 2.000003

*** using /tmp/mod_perl-2.0.3/lib/Apache2/BuildConfig.pm

*** Makefile.PL options:
   MP_APR_LIB     => aprext
   MP_APXS        => /usr/sbin/apxs
   MP_COMPAT_1X   => 1
   MP_GENERATE_XS => 1
   MP_LIBNAME     => mod_perl
   MP_USE_DSO     => 1


*** /usr/sbin/httpd -V
Server version: Apache/2.2.6 (Unix)
Server built:   Dec 28 2007 00:27:39
Server's Module Magic Number: 20051115:5
Server loaded:  APR 1.2.11, APR-Util 1.2.10
Compiled using: APR 1.2.11, APR-Util 1.2.10
Architecture:   32-bit
Server MPM:     Prefork
   threaded:     no
     forked:     yes (variable process count)
Server compiled with....
  -D APACHE_MPM_DIR="server/mpm/prefork"
  -D APR_HAS_SENDFILE
  -D APR_HAS_MMAP
  -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
  -D APR_USE_SYSVSEM_SERIALIZE
  -D APR_USE_PTHREAD_SERIALIZE
  -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
  -D APR_HAS_OTHER_CHILD
  -D AP_HAVE_RELIABLE_PIPED_LOGS
  -D DYNAMIC_MODULE_LIMIT=128
  -D HTTPD_ROOT="/usr"
  -D SUEXEC_BIN="/usr/bin/suexec"
  -D DEFAULT_PIDLOG="/var/run/httpd.pid"
  -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
  -D DEFAULT_LOCKFILE="/var/run/accept.lock"
  -D DEFAULT_ERRORLOG="logs/error_log"
  -D AP_TYPES_CONFIG_FILE="/etc/httpd/conf/mime.types"
  -D SERVER_CONFIG_FILE="/etc/httpd/conf/httpd.conf"

*** /usr/bin/ldd /usr/sbin/httpd
	linux-gate.so.1 =>  (0x00e17000)
	libm.so.6 => /lib/libm.so.6 (0x00c9e000)
	libaprutil-1.so.0 => /usr/lib/libaprutil-1.so.0 (0x00388000)
	libpq.so.4 => /usr/lib/libpq.so.4 (0x002b2000)
	libsqlite3.so.0 => /usr/lib/libsqlite3.so.0 (0x005ae000)
	libexpat.so.0 => /usr/lib/libexpat.so.0 (0x00766000)
	libapr-1.so.0 => /usr/lib/libapr-1.so.0 (0x00365000)
	libuuid.so.1 => /lib/libuuid.so.1 (0x003ae000)
	librt.so.1 => /lib/librt.so.1 (0x003f0000)
	libcrypt.so.1 => /lib/libcrypt.so.1 (0x00cee000)
	libpthread.so.0 => /lib/libpthread.so.0 (0x00cda000)
	libdl.so.2 => /lib/libdl.so.2 (0x00c98000)
	libc.so.6 => /lib/libc.so.6 (0x00b6d000)
	/lib/ld-linux.so.2 (0x00b4f000)
	libssl.so.5 => /lib/libssl.so.5 (0x00d95000)
	libcrypto.so.5 => /lib/libcrypto.so.5 (0x00101000)
	libkrb5.so.3 => /usr/lib/libkrb5.so.3 (0x00210000)
	libresolv.so.2 => /lib/libresolv.so.2 (0x00d1e000)
	libnsl.so.1 => /lib/libnsl.so.1 (0x00d33000)
	libgssapi_krb5.so.2 => /usr/lib/libgssapi_krb5.so.2 (0x00d50000)
	libcom_err.so.2 => /lib/libcom_err.so.2 (0x00d4b000)
	libk5crypto.so.3 => /usr/lib/libk5crypto.so.3 (0x00d6a000)
	libz.so.1 => /usr/lib/libz.so.1 (0x00cc5000)
	libkrb5support.so.0 => /usr/lib/libkrb5support.so.0 (0x00d90000)


*** (apr|apu)-config linking info

  -L/usr/lib -laprutil-1 -lpq -lsqlite3 -lexpat
  -L/usr/lib -lapr-1 -luuid -lrt -lcrypt  -lpthread -ldl



*** /usr/bin/perl -V
Summary of my perl5 (revision 5 version 8 subversion 8) configuration:
   Platform:
     osname=linux, osvers=2.6.14-1.1653_fc4smp, archname=i686-linux
     uname='linux nat.longmedia.com 2.6.14-1.1653_fc4smp #1 smp tue  
dec 13 21:46:01 est 2005 i686 i686 i386 gnulinux '
     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='gcc', ccflags ='-fno-strict-aliasing -pipe -Wdeclaration- 
after-statement -I/usr/local/include -D_LARGEFILE_SOURCE - 
D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm',
     optimize='-O2',
     cppflags='-fno-strict-aliasing -pipe -Wdeclaration-after- 
statement -I/usr/local/include -I/usr/include/gdbm'
     ccversion='', gccversion='4.0.2 20051125 (Red Hat 4.0.2-8)',  
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='gcc', ldflags =' -L/usr/local/lib'
     libpth=/usr/local/lib /lib /usr/lib
     libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc
     perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
     libc=/lib/libc-2.3.5.so, so=so, useshrplib=true, libperl=libperl.so
     gnulibc_version='2.3.5'
   Dynamic Linking:
     dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E  
-Wl,-rpath,/usr/lib/perl5/5.8.8/i686-linux/CORE'
     cccdlflags='-fpic', lddlflags='-shared -L/usr/local/lib'


Characteristics of this binary (from libperl):
   Compile-time options: PERL_MALLOC_WRAP USE_LARGE_FILES USE_PERLIO
   Built under linux
   Compiled at Dec 29 2007 18:07:25
   %ENV:
     PERL5LIB="/long/modules"
     PERL_LWP_USE_HTTP_10="1"
   @INC:
     /long/modules
     /usr/lib/perl5/5.8.8/i686-linux
     /usr/lib/perl5/5.8.8
     /usr/lib/perl5/site_perl/5.8.8/i686-linux
     /usr/lib/perl5/site_perl/5.8.8
     /usr/lib/perl5/site_perl
     .

*** Packages of interest status:

Apache2            : -
Apache2::Request   : -
CGI                : 3.15
ExtUtils::MakeMaker: 6.30
LWP                : -
mod_perl           : -
mod_perl2          : 2.000003


3. This is the core dump trace: (if you get a core dump):

   [CORE TRACE COMES HERE]

This report was generated by /usr/bin/mp2bug on Sun Dec 30 03:19:48  
2007 GMT.

-------------8<---------- End Bug Report --------------8<----------

Note: Complete the rest of the details and post this bug report to
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