Error While restating apache

pid file /usr/local/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?

A script that can be used to killall http semaphores and restart http:

#!/bin/bash

ipcs -s | grep nobody | perl -e 'while (<STDIN>) {
@a=split(/\s+/); print `ipcrm sem $a[1]`}'

killall -9 /usr/local/apache/bin/httpd
killall -9 /usr/local/apache/bin/httpd
killall -9 /usr/local/apache/bin/httpd
/scripts/restartsrv httpd

View the sem value using the below command

cat /proc/sys/kernel/sem

increase the value

echo 32000 32000 512 512 > /proc/sys/kernel/sem