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# 15  
Old 09-19-2009
kill -9 $IND_PID 2>/dev/null

# 16  
Old 09-19-2009
still the problem persists

The current script is:

[root@cntos5 ~]# cat
function ind {
while : ; do
printf "."
sleep 1
printf "jre installation started"
ind &
mv /bin/more /bin/more1
/root/jre-6u16-linux-i586.bin << EOF &> /dev/null && mv /bin/more1 /bin/more;rm -f /root/jre-6u16-linux-i586.bin
kill -9 $IND_PID 2> /dev/null
printf "\njre installation complete"

and in debugging mode:

[root@cntos5 ~]# sh -x
+ printf 'jre installation started'
jre installation started+ ind
+ :
+ printf .
.+ sleep 1
+ IND_PID=10580
+ mv /bin/more /bin/more1
mv: cannot stat `/bin/more': No such file or directory
+ /root/jre-6u16-linux-i586.bin
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ :
+ printf .
.+ sleep 1
+ mv /bin/more1 /bin/more
+ rm -f /root/jre-6u16-linux-i586.bin
+ kill -9 10580
+ printf '\njre installation complete'

jre installation line 16: 10580 Killed ind

I have also tried &> but to no avail.
From the output of "sh -x" its pretty clear that this redirection is having no effect? isn't it
# 17  
Old 09-19-2009
try simply:
kill $IND_PID

or in case even that does not work:
kill $IND_PID >/dev/null 2>&1

Last edited by Scrutinizer; 09-19-2009 at 07:24 PM..
# 18  
Old 09-19-2009
ya....... its working now

kill -9 seems to be the problem element. but still wondering why?
any idea guys?

Thanks for the help
# 19  
Old 09-19-2009
which OS??
In AIX kill -9 won't give such error
and simply kill means
To stop a given process, enter:

kill 1095

This stops process 1095 by sending it the default SIGTERM signal. Note that process 1095 might not actually stop if it has made special
arrangements to ignore or override the SIGTERM signal.
# 20  
Old 09-19-2009
Yes but it is not really good practice to use kill -9, only as a last resort. kill -9 doesn't give the background process a chance to die properly and perhaps this triggers certain error conditions or alerts in the OP's environment. A simple kill will send a regular terminate signal allowing the background process to terminate gracefully.
# 21  
Old 09-20-2009
Strange problem

I am using centos 5.3

The problem still persists even after using kill $IND_PID >/dev/null 2>&1

The output being:

jre installation started.........../ line 15: 13513 Terminated ind
jre installation complete

Another thing that i noticed is that if i run the script for the first time in a new system the output " line 15: 13513 Terminated ind"
is not appearing. From the 2nd time onwards the problem is arising. I have tested the same in three systems and the same occurred everywhere. Really puzzled ......

---------- Post updated at 10:44 PM ---------- Previous update was at 10:42 PM ----------

If i give you access to my system then you people could check it yourself.

---------- Post updated at 11:00 PM ---------- Previous update was at 10:44 PM ----------

See the below output when i run script two consecutive times:

[root@cntos5 ~]# ./
jre installation started.........jre installation complete

[root@cntos5 ~]# ./
jre installation started............jre installation complete
./ line 16: 14583 Terminated ind

First time the problem didn't arise, 2nd time it surfaced.

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