EM 12c : emctl status agent (Agent Unreachable) With Error 'TOO_MANY_OPEN_FILES' 'EXCEPTION java.io.IOException: Too many open files' Reported in gcagent.log (Doc ID 1472085.1)

Last updated on SEPTEMBER 07, 2016

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.1.0 and later
Information in this document applies to any platform.

Symptoms

agent_inst/sysman/log/gcagent.log reports following message

<timestamp>,306 [29:73E85E39] WARN - *jetty*: EXCEPTION java.io.IOException: Too many open files
at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:152)

A notification may also have triggered with  'Agent has stopped monitoring. The following errors are reported : TOO_MANY_OPEN_FILES'

Cause

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