Nagios script output issue

[newme me]

Hi Folks,

Nagios is acting a little weird for me, I have this external script which I
hooked into Nagios, it merely does a curl/wget on a URL and returns the
status based on string in the content/output. Initially for 2-3 hrs the
script returns the right status and Nagios reports correctly i.e. OK, WARN,
ERROR based on the exit from the script. After 2-3 hrs output which was (and
should be) OK or WARN starts returning CRITICAL and the output line says
"Application is" and not even "Application is ERROR" or "Application is
FATAL".

There is nothing in the logs to suggest what could be the problem. Have you
experienced this before and let me know the corrective action. I am running
Nagios on Mac OSX.

Here is the script for the curious -

#!/bin/bash

read URL < "$1"

STATUS=`curl -s $URL |grep summary|awk -F\" '{print $2}'`
echo "Application is $STATUS"
echo "curl $URL"

case $STATUS in
OK)
   exit 0
   ;;
WARN)
  exit 1
  ;;
ERROR)
  exit 2
  ;;
FATAL)
  exit 2
  ;;
*)
  exit 2
  ;;
esac

Thanks,

Allan.
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