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EM13c, EM12c: SSH Key Credential Test Fails: Failed to launch process: java.net.ConnectException: Connection refused (Doc ID 2300398.1)

Last updated on MARCH 27, 2019

Applies to:

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

Symptoms

Enterprise Manager Cloud Control 12c or 13c:

Testing or using an SSH Key credential fails with the error message: Failed to launch process: java.net.ConnectException: Connection refused

The issue may be constant or intermittent - the credential may work sometimes.

The SSH Key credential works on the command line.

 

The following entry appears in <agent_inst>/sysman/log/gcagent.log:

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
 Solution A: Allow sshd to listen on IPv4 and IPv6 addresses
 Solution B: Force agent to prefer IPv4 addresses (this requires an agent restart)
 Solution C: Force agent to use a different hostname (and/or port) for ssh key credentials (does not require an agent restart)
References


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