EM 12c: Agent Sign Off from the Enterprise Manager 12c Cloud Control Agent Upgrade Console Fails With Error: java.io.IOException: error=24, Too many open files (Doc ID 1604690.1)

Last updated on MAY 20, 2017

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.3.0 and later
Information in this document applies to any platform.

Symptoms

Enterprise Manger (EM) 12c Cloud Control Agents in the process of upgrade to version 13.2 require a sign off after validation prior to activation (switching over) in the Enterprise Manager 12c Upgrade Console:

Enterprise Manager Cloud Control Upgrade Guide
12c Release 5
Chapter 11 Upgrading Oracle Management Agents 10g Release 5 (10.2.0.5) or 11g Release 1 (11.1.0.1) to 12c Release 5 (12.1.0.5)
11.3 Verifying and Signing Off the Health Report of Deployed Oracle Management Agents 12c Release 5 (12.1.0.5)

 

EM 13c Agent sign off fails with the following error:

Failed to launch process: Cannot run program "/usr/apps/oracle/product/agent/agent12c/sbin/nmo": java.io.IOException: error=24, Too many open files

 

 

Changes

 

Cause

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