Kbase P131556: Web browser shows HTTP 500 Internal Server Error running WebSpeed application with Apache
| Autor |
Progress Software Corporation - Progress |
| Acesso |
Público |
| Publicação |
20/01/2010 |
|
Status: Unverified
SYMPTOM(s):
Web browser shows HTTP 500 Internal Server Error running WebSpeed application with Apache
(11)Resource temporarily unavailable: couldn't create child process: 11: wspd_cgi.sh
Apache log shows the following errors:
Premature end of script headers: wspd_cgi.sh
FACT(s) (Environment):
WebSpeed 9.1X
OpenEdge 10.X
Apache
IBM AIX POWER 5.3
CAUSE:
OS kernel parameters are set too low
FIX:
Increase maxuproc (Maximum number of PROCESSES allowed per user) and per-process hard and soft limit and and reboot the machine.
Display and change maxuproc:
# lsattr -El sys0 -a maxuproc
maxuproc 2048 Maximum number of PROCESSES allowed per user True
# chdev -l sys0 -a maxuproc=4096
sys0 changed
Display the current per-process hard and soft limits.
# ulimit -H -n
1024
# ulimit -n
256
Set these limits to a higher value.
# ulimit -H -n 4096
# ulimit -n 4096