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EM 12c, 13c: Multiple SSHD Connections Initiated by Agent Process Causing High Memory and CPU Utilization on the Server (Doc ID 2666136.1)

Last updated on MAY 07, 2020

Applies to:

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


EM 12c or 13c agent is generating multiple SSHD connections.

These SSHD Connections are causing high CPU and Memory utilization on the server.

Due to this issue, agent also intermittently goes down with Out Of Memory errors.

$AGENT_INST_HOME/sysman/log/gcagent.log reports following errors:

2020-03-31 00:34:55,166 [1:main] ERROR - Critical error:
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOfRange(
at java.lang.String.<init>(
at java.lang.StringBuffer.toString(



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