SOLVED: OWS on Debian 2.0: owsctl start admin crash

Question

This is a description of how I solved the ows crash on my debian
2.0 system. I posted this with the hope it will be helpfull for
someone else.
In the text that follow, wallace is the hostname of my machine.
PS: do not care of my awfull english, please. (I'm french
speaking).
Daniel Crettol, Thu Feb 11 12:47:45 CET 1999
THE PROBLEM
The command 'owsctl start admin' just dumps a core without any
comments on my Debian 2.0r4 (kernel 2.0.36)
THE QUEST
First thing I do, I tried to look in the "Technet Discussion"
about
linux to see how problem could be solved, but I got no help
there. It
anyway seems that many people have problems with installation of
oracle and ows on non-RH distributions. Conclusion, no help for
me
there.
So enter hacker phase.
* The hacker phase
But what is 'owsctl' ? It's just a script. So try this:
oracle@wallace$ sh -x owsctl start admin
++ basename owsctl
+ ME=owsctl
+ '[' /usr3/app/oracle/product/8.0.5/ows/3.0 = '' ']'
+ OPTION=start
+ shift
+ '[' admin = WRB -o admin = wrb -o admin = -p -o admin = -e
+ '[' admin = CARTRIDGE -o admin = cartridge -o admin = -p ']'
+ /usr3/app/oracle/product/8.0.5/ows/3.0/bin/wlctl start admin
Oracle Web Listener 3.0.2 Production (Export), Version 2.14FC1
Copyright 1997 Oracle Corp. All Rights Reserved.
OWS-08811: Unable to startup Oracle Web Listener `admin'.
oracle@wallace$ l core
-rw------- 1 oracle dba 290816 Feb 11 12:57 core
oracle@wallace$
Expected result. The pig seems to be 'wlctl'. Try it alone:
oracle@wallace$ date ; wlctl start admin ; l core
Thu Feb 11 13:00:38 CET 1999
Oracle Web Listener 3.0.2 Production (Export), Version 2.14FC1
Copyright 1997 Oracle Corp. All Rights Reserved.
OWS-08811: Unable to startup Oracle Web Listener `admin'.
-rw------- 1 oracle dba 290816 Feb 11 13:00 core
oracle@wallace$
Fine. Trying this:
oracle@wallace$ strings core | head
CORE
CORE
oraweb
/usr3/app/oracle/product/8.0.5/ows/3.0/bin/oraweb -C
/usr3/app/oracle/admin/ows
CORE
oraweb
0333#G
CORE
0333#G
P15CFiberException
Broken pipe
oracle@wallace$
WHAT!!!! the core seems to be left here by the oraweb
process. OOPS. Don't understand this. After trying to debug the
core
(not showed here) and tracing the owsctl script with the 'strace'
command (strace -ff -o start_admin.trace owsctl start admin), I
began
to be convinced that we got a core somewhere in the dynamic
libraries. I had 2 suspects: 'wlctl' and 'oraweb'.
What library do they use ?
oracle@wallace$ ldd `which wlctl`
libnsl.so.1 => /lib/libnsl.so.1 (0x40010000)
libc.so.6 => /lib/libc.so.6 (0x40016000)
libm.so.6 => /lib/libm.so.6 (0x400bb000)
libdl.so.2 => /lib/libdl.so.2 (0x400d6000)
/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)
oracle@wallace$ ldd `which oraweb`
libnsl.so.1 => /lib/libnsl.so.1 (0x40010000)
libdl.so.2 => /lib/libdl.so.2 (0x40016000)
libpthread.so.0 => /lib/libpthread.so.0 (0x40019000)
libc.so.6 => /lib/libc.so.6 (0x4002c000)
libstdc++.so.2.8 => /usr/lib/libstdc++.so.2.8
(0x400d1000)
/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)
libm.so.6 => /lib/libm.so.6 (0x40116000)
Everything seems normal but watch this:
oracle@wallace$ ls -l /lib/libpt*
-rwxr-xr-x 1 root root 48680 Jul 17 1998
/lib/libpthread-0.7.so
lrwxrwxrwx 1 root root 17 Sep 3 19:21
/lib/libpthread.so.0 -> libpthread.so.0.7
-rwxr-xr-x 1 root root 76166 Jan 6 1998
/lib/libpthread.so.0.7
ARGHHHHH.... I don't know why, but I have to pthread libs. May be
oracle uses the wrong one.
THE SOLUCE
So try to force oracle to use the other pthread library:
oracle@wallace$ LD_PRELOAD=/lib/libpthread-0.7.so owsctl start
admin
Oracle Web Listener 3.0.2 Production (Export), Version 2.14FC1
Copyright 1997 Oracle Corp. All Rights Reserved.
Information: Listening on NORM port 8888 address 0.0.0.0
Started listener: pid=4359 time=11/Feb/99:13:11:28
Monitor now running as process 4357
YEAH. Got it ? Seems that they do not use the same libs than the
default one on Debian. Anyway the problem is solved...
null

Answer 1

Now that you have upgraded, have you noticed any outstanding behaviour, i.e. performance or resource consumption in your 10gR2 environment?
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