FW: NRPE: Unable to read output - Plugin(event handler)

[Nathan Oyler]

/* see if the command timed out */
			if(early_timeout==TRUE)
				snprintf(buffer,sizeof(buffer)-1,"NRPE:
Command timed out after %d seconds\n",command_timeout);
			else if(!strcmp(buffer,""))
				snprintf(buffer,sizeof(buffer)-1,"NRPE:
Unable to read output\n");


Is the part of the code that gives me this error, what does that mean?

I've created a test plugin with just an echo, and it runs fine. I can
paste my plugin as well if that would help, here is the command listed
in nrpe.

command[cycle_tomcat]=/usr/lib/nagios/plugins/cycle_tomcat


The Script accepts Okay, Critical, Unknown, etc. Where does the command
get specified as needing arguments? Could that be the problem?

Thanks.

> 
> I wrote an event handler in bash. It runs perfectly fine as the nagios
> user on the machine.
> 
> When I run it via check_nrpe -H hostname -c cycle_tomcat CRITICAL SOFT
3
> 
> I get NRPE: Unable to read output
> 
> If I run it without the variables Critical, etc, I still get the same
> error.
> 
> I have googled for the error, although I believe it comes up in many
> different scenarios, and so far I have not gotten it.
> 
> The plugin has permissions on it that are good. It's defined in
> nrpe.cfg. I am not sure what the problem is.
> 
> Nathan Oyler
> Information Technology
> 480-308-2342 Office
> 
> Khimetrics Inc.
> Maximizing Sales & Profit
> Revenue Management from Khimetrics
> 



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