>>>> I see a hit in the access logs.
>>>>
>>>> I get an Internal Server Error.
>>>>
>>>> And still, the error log is completely silent. This is my problem.
>>>>
>>>> Without server errors I get a bit lost.
>>>>
>>> This seems to be a config with VirtualHosts.
>>> Are you sure that you're looking in the correct error logs ?
>>> Some errors will be in the "main" log, others in the virtual
>>> host logs.
>>> Also, "print STDERR" is not necessarily the best way to send
>>> an error to the logs, under mod_perl 2.
>>
>> While I am using Virtual Hosts, the PerlPostConfigHandler is defined
>> outside any of them.
>>
>> On a positive note, when I change from "print STDERR" to open my $fh,
>> ">>/tmp/abc" in my PostConfig handler, the file is written.
>>
>> I checked the whole machine, there are no other error logs. Do I need
>> to set up virtual host error logs separately, and they just go to
>> /dev/null without such configuration?
>>
> Separately from Torsten's answers, as an appendix.
>
> No, they will not just be discarded to /dev/null.
>
> The "main" part of the configuration (outside of <VirtualHost>
> sections), acts as a series of default values, inherited by
> all VirtualHosts. A <VirtualHost> /may/ override any
> parameter with its own value, which takes precedence. But it
> does not have to.
Thanks.
> Error messages may end up in the system's SYSLOG logs, depending on how
> the Apache startup script of your system configures things (like in
> /etc/init.d/apache2 or so). The imagination of Linux package creators
> is boundless..
> Check /var/log/daemon.log and similar.
I've built this all from source. That's the way I've been using
Apache/mod_perl for a long time now.
There's nothing happening under /var/log. I even tried this, as root:
> cd /
> touch STAMP
[ Try to load page and get internal server error ]
> find . -newer STAMP 2>/dev/null | egrep -v "^./(proc|sys|dev)/"
./home/mp2/builds/httpd/httpd-2.2.22/logs/access_log-dev9
./home/mp2/builds/httpd/httpd-2.2.22/logs/clickstream
./var/spool/postfix/public/qmgr
./var/spool/postfix/public/pickup
Now that I know PostConfig is working, I made a nearly identical
PostReadRequestHandler, the only difference being it writes to a
different /tmp file.
I also put its config in server scope, rather than in any Directory,
Location or Files section.
It does not get called.
So, I tried a ChildInitHandler.
Surely that would need to be called, right?
It does not.
I don't know if it will do any good, but here's the last of the
strace output from the parent process before it exits and leaves
1 root process and two (the correct number) of apache children
running as "web" (the correct user), around.
stat("/home/jnarins/src/dev9/etc/httpd/httpd.conf", {st_mode=S_IFREG|0644,
st_size=3923, ...}) = 0
open("/home/jnarins/src/dev9/etc/httpd/httpd.conf", O_RDONLY) = 5
fstat(5, {st_mode=S_IFREG|0644, st_size=3923, ...}) = 0
read(5, "# $Id: httpd.conf 10123 2011-10-"..., 4096) = 3923
open("/home/mp2/builds/httpd/httpd-2.2.22/modules/mod_perl.so", O_RDONLY) = 6
read(6,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\361\3\0\0\0\0\0"..., 832) =
832
fstat(6, {st_mode=S_IFREG|0775, st_size=1847927, ...}) = 0
mmap(NULL, 3811048, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 6, 0) =
0x2ad4d464d000
mprotect(0x2ad4d47e5000, 2093056, PROT_NONE) = 0
mmap(0x2ad4d49e4000, 49152, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 6, 0x197000) = 0x2ad4d49e4000
close(6) = 0
open("/home/mp2/builds/apr-util/apr-util-1.4.1/lib/libnsl.so.1", O_RDONLY) = -1
ENOENT (No such file or directory)
open("/usr/lib64/tls/libnsl.so.1", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib64/libnsl.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/home/mp2/builds/apr/apr-1.4.6/lib/libnsl.so.1", O_RDONLY) = -1 ENOENT
(No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 6
fstat(6, {st_mode=S_IFREG|0644, st_size=66554, ...}) = 0
mmap(NULL, 66554, PROT_READ, MAP_PRIVATE, 6, 0) = 0x2ad4d49f0000
close(6) = 0
open("/lib64/libnsl.so.1", O_RDONLY) = 6
read(6, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240@@,=\0\0\0"..., 832)
= 832
fstat(6, {st_mode=S_IFREG|0755, st_size=114352, ...}) = 0
mmap(0x3d2c400000, 2194096, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 6,
0) = 0x3d2c400000
mprotect(0x3d2c415000, 2093056, PROT_NONE) = 0
mmap(0x3d2c614000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 6, 0x14000) = 0x3d2c614000
mmap(0x3d2c616000, 6832, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3d2c616000
close(6) = 0
open("/home/mp2/builds/apr-util/apr-util-1.4.1/lib/libutil.so.1", O_RDONLY) =
-1 ENOENT (No such file or directory)
open("/usr/lib64/tls/libutil.so.1", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib64/libutil.so.1", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/home/mp2/builds/apr/apr-1.4.6/lib/libutil.so.1", O_RDONLY) = -1 ENOENT
(No such file or directory)
open("/lib64/libutil.so.1", O_RDONLY) = 6
read(6, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200\16\3408=\0\0\0"...,
832) = 832
fstat(6, {st_mode=S_IFREG|0755, st_size=18152, ...}) = 0
mmap(0x3d38e00000, 2105616, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 6,
0) = 0x3d38e00000
mprotect(0x3d38e02000, 2093056, PROT_NONE) = 0
mmap(0x3d39001000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 6, 0x1000) = 0x3d39001000
close(6) = 0
mprotect(0x3d39001000, 4096, PROT_READ) = 0
mprotect(0x3d2c614000, 4096, PROT_READ) = 0
munmap(0x2ad4d49f0000, 66554) = 0
read(5, "", 4096) = 0
close(5) = 0
chdir("/") = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0x2ad4d464bd20) = 9011
exit_group(0) = ?
Josh Narins
Director of Application Development
SeniorBridge
845 Third Ave
7th Floor
New York, NY 10022
Tel: (212) 994-6194
Mobile: (917) 488-6248
Fax: (212) 994-4260
jnar...@seniorbridge.com
SeniorBridge
Managing Complex Chronic Care
http://www.seniorbridge.com
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