RE: Having problem with mod_WebObjects.so under redhat 8
RE: Having problem with mod_WebObjects.so under redhat 8
- Subject: RE: Having problem with mod_WebObjects.so under redhat 8
- From: Khodor Barakat via Webobjects-dev <email@hidden>
- Date: Wed, 1 Feb 2023 05:13:06 +0000
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- Thread-topic: Having problem with mod_WebObjects.so under redhat 8
I don’t see that module in my loaded modules nor on the system under
/etc/httpd/modules
if this is not what you are asking how do I check that ??
my problem started after I did in place upgrade from redhat 7 to redhat 8, I
still have some systems running redhat7 and WO setup is working fine
httpd -M
Loaded Modules:
core_module (static)
so_module (static)
http_module (static)
access_compat_module (shared)
actions_module (shared)
alias_module (shared)
allowmethods_module (shared)
auth_basic_module (shared)
auth_digest_module (shared)
authn_anon_module (shared)
authn_core_module (shared)
authn_dbd_module (shared)
authn_dbm_module (shared)
authn_file_module (shared)
authn_socache_module (shared)
authz_core_module (shared)
authz_dbd_module (shared)
authz_dbm_module (shared)
authz_groupfile_module (shared)
authz_host_module (shared)
authz_owner_module (shared)
authz_user_module (shared)
autoindex_module (shared)
brotli_module (shared)
cache_module (shared)
cache_disk_module (shared)
cache_socache_module (shared)
data_module (shared)
dbd_module (shared)
deflate_module (shared)
dir_module (shared)
dumpio_module (shared)
echo_module (shared)
env_module (shared)
expires_module (shared)
ext_filter_module (shared)
filter_module (shared)
headers_module (shared)
include_module (shared)
info_module (shared)
log_config_module (shared)
logio_module (shared)
macro_module (shared)
mime_magic_module (shared)
mime_module (shared)
negotiation_module (shared)
remoteip_module (shared)
reqtimeout_module (shared)
request_module (shared)
rewrite_module (shared)
setenvif_module (shared)
slotmem_plain_module (shared)
slotmem_shm_module (shared)
socache_dbm_module (shared)
socache_memcache_module (shared)
socache_shmcb_module (shared)
status_module (shared)
substitute_module (shared)
suexec_module (shared)
unique_id_module (shared)
unixd_module (shared)
userdir_module (shared)
version_module (shared)
vhost_alias_module (shared)
watchdog_module (shared)
dav_module (shared)
dav_fs_module (shared)
dav_lock_module (shared)
lua_module (shared)
mpm_event_module (shared)
proxy_module (shared)
lbmethod_bybusyness_module (shared)
lbmethod_byrequests_module (shared)
lbmethod_bytraffic_module (shared)
lbmethod_heartbeat_module (shared)
proxy_ajp_module (shared)
proxy_balancer_module (shared)
proxy_connect_module (shared)
proxy_express_module (shared)
proxy_fcgi_module (shared)
proxy_fdpass_module (shared)
proxy_ftp_module (shared)
proxy_http_module (shared)
proxy_hcheck_module (shared)
proxy_scgi_module (shared)
proxy_uwsgi_module (shared)
proxy_wstunnel_module (shared)
ssl_module (shared)
systemd_module (shared)
WebObjects_module (shared)
cgid_module (shared)
fcgid_module (shared)
http2_module (shared)
maxminddb_module (shared)
proxy_http2_module (shared)
From: Michael Kondratov [mailto:email@hidden]
Sent: Wednesday, February 1, 2023 12:09 AM
To: Khodor Barakat <email@hidden>
Cc: email@hidden
Subject: Re: Having problem with mod_WebObjects.so under redhat 8
Importance: High
Khodor,
I’ve had apache crashes when it was running in multi threaded form.
Are you using pre-fork module?
Michael
On Feb 1, 2023, at 12:06 AM, Khodor Barakat via Webobjects-dev
<email@hidden<mailto:email@hidden>> wrote:
I have migrated my system from redhat 7 to redhat 8
and I am having a problem with webobjects , after opening a ticket with redhat
support , the support reported a back trace the is causing apache to hang and
throw segmentation fault 11
[pid 37869:tid 140365337980352] AH00051: child pid 37874 exit signal
Segmentation fault (11), possible coredump in /var/apache-dump
redhat support mentioned that the issue is related to WO module
mod_WebObjects.so, did anyone have this issue before ,
{ "signal": 11
, "executable": "/usr/sbin/httpd"
, "stacktrace":
[ { "crash_thread": true
, "frames":
[ { "address": 140365077741264
, "build_id": "a77df8e8eef4029a804d7b883776cc12618b3541"
, "build_id_offset": 44752
, "function_name": "WOShmem_lock"
, "file_name": "/etc/httpd/modules/mod_WebObjects.so"
}
, { "address": 140365077743499
, "build_id": "a77df8e8eef4029a804d7b883776cc12618b3541"
, "build_id_offset": 46987
, "function_name": "sha_lock"
, "file_name": "/etc/httpd/modules/mod_WebObjects.so"
}
, { "address": 140365077765643
, "build_id": "a77df8e8eef4029a804d7b883776cc12618b3541"
, "build_id_offset": 69131
, "function_name": "ac_findInstance"
, "file_name": "/etc/httpd/modules/mod_WebObjects.so"
}
, { "address": 140365077732822
, "build_id": "a77df8e8eef4029a804d7b883776cc12618b3541"
, "build_id_offset": 36310
, "function_name": "tr_handleRequest"
, "file_name": "/etc/httpd/modules/mod_WebObjects.so"
}
, { "address": 140365077783061
, "build_id": "a77df8e8eef4029a804d7b883776cc12618b3541"
, "build_id_offset": 86549
, "function_name": "WebObjects_handler"
, "file_name": "/etc/httpd/modules/mod_WebObjects.so"
}
, { "address": 94650830766376
, "build_id": "4f04e7d6189e2c9aa5c51e159c08329a7b3078e3"
, "build_id_offset": 299304
, "function_name": "ap_run_handler"
, "file_name": "/usr/sbin/httpd"
}
, { "address": 94650830767846
, "build_id": "4f04e7d6189e2c9aa5c51e159c08329a7b3078e3"
, "build_id_offset": 300774
I am on redhat 8.7
Apache/2.4.37 (Red Hat Enterprise Linux)
woadaptor : woadaptor-httpd24-6-1.x86_64
mod_WebObjects.so: ELF 64-bit LSB shared object, x86-64, version 1
(SYSV), dynamically linked,
BuildID[sha1]=a77df8e8eef4029a804d7b883776cc12618b3541, with debug_info, not
stripped
any help is highly appreciated
Thanks,
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