(No output!) Nagios 2.5

[Andy Shellam]

Hi Michael,

I've not long reported the same sort of error in 2.4. On my machine a 
reboot has *appeared* to sort it (keeping fingers and things crossed.) 
If I forced Nagios to re-do the check it would come back fine, but in 
most scheduled checks it would report "No output!" and an incorrect 
status (i.e. OK when it should be CRITICAL.) It seemed completely random 
to which plugin caused the failure, so it wasn't something I could 
attribute to a specific plugin (all mine bar 2 are standard anyway.)

Patrick on this list has suggested to look in the server logs for "too 
many open files" errors and the like.

Andy.

Michael Frank wrote:
>
> Hello all,
>
> I first sent this to the plugins mailing list but I think this has 
> more to do with Nagios core since I am now having the problem with two 
> different plug-ins. They both give me correct output when I run the 
> checks manually but Nagios consistently gives me a result of (No 
> output!). The check below always had a Critical level for the No 
> Output but another check that I am doing gives a Warning level. How 
> can there be two different results from having “(No output!).” I do 
> not see any errors in any of my log files.
>
> Below is the information from my previous email.
>
> I am trying get check_snmp_win.pl to work. I am able to run the exact 
> command that Nagios is running without any problems and I get output, 
> but when I run the check though Nagios it says “No output!” I am able 
> to run other checks without any problems.
>
> I see at http://www.manubulon.com/nagios/faq.html#FAQ8 that there is a 
> problem with the embedded perl in Nagios so I make sure that I ran the 
> script using another version of perl. I am unable to find the p1.pl 
> file it is talking about patching.
>
> # 'check_win_proc_snmp'
>
> define command{
>
> command_name check_win_proc_snmp
>
> command_line /opt/ActivePerl-5.8/bin/perl 
> /usr/local/nagios/libexec/check_snmp_win.pl -H HOST -C COMMUNITY -p 
> PORT -n SERVICE_TO_CHECK -N 1
>
> }
>
> I have also tried using /usr/local/bin/perl and there has been no 
> change. I am able to run the check manually without any problems but 
> can’t run it though Nagios.
>
> Any help you can give will be great.
>
> Thanks,
>
> Michael
>
> Michael Frank mfrank at dps.state.vt.us
>
> Network Administrator (802) 241-5393
>
> VT Dept of Public Safety 103 S Main, Waterbury 05671
>
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-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
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