Hello all, i'm running Nagios (3.0.5) and NRPE (1.4.13) both on AIX (mostly 5.3, but a view 5.2 clients). This worked pretty well until yesterday. After adding some new checks suddenly _all_ NRPE-based client checks for all hosts return "No output returned from plugin". Manually run from the shell, the checks return valid results. If i remove some checks - re- gardless which check specifically - and keep the number of NRPE checks under a certain level (~700-800) everything works just fine again. I already verified the system has enough resources (disk space, memory, CPU, user limits, ...) and turned up the Nagios debugging to 4096 but that gave no further clues. On the client-/NRPE-side it appears as if the NRPE-request never arrives at the client. Has anyone seen this kind of behavior or has any idea what might cause this?
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